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  • The remote server returned an unexpected response: (400) Bad Request while streaming

    - by phenevo
    Hi, I have problem with streaming. When I send small file like 1kb txt everything is ok, but when I send larger file like 100 kb jpg or 2gb psd I get: The remote server returned an unexpected response: (400) Bad Request. I'm using windows 7, VS 2010 and .net 3.5 and WCF Service library I lost all my weekend on this and I still see this error :/ Please help me Client: var client = new WpfApplication1.ServiceReference1.Service1Client("WSHttpBinding_IService1"); client.GetString("test"); string filename = @"d:\test.jpg"; FileStream fs = new FileStream(filename, FileMode.Open); try { client.ProcessStreamFromClient(fs); } catch (Exception exception) { Console.WriteLine(exception); } app.config: <?xml version="1.0" encoding="utf-8" ?> <configuration> <system.serviceModel> <bindings> <basicHttpBinding> <binding name="StreamedHttp" closeTimeout="10:01:00" openTimeout="10:01:00" receiveTimeout="10:10:00" sendTimeout="10:01:00" allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard" maxBufferSize="65536000" maxBufferPoolSize="524288000" maxReceivedMessageSize="65536000" messageEncoding="Text" textEncoding="utf-8" transferMode="Streamed" useDefaultWebProxy="true"> <readerQuotas maxDepth="0" maxStringContentLength="0" maxArrayLength="0" maxBytesPerRead="0" maxNameTableCharCount="0" /> <security mode="None"> <transport clientCredentialType="None" proxyCredentialType="None" realm="" /> <message clientCredentialType="UserName" algorithmSuite="Default" /> </security> </binding> </basicHttpBinding> </bindings> <client> <endpoint address="http://localhost:8732/Design_Time_Addresses/WcfServiceLibrary2/Service1/" binding="basicHttpBinding" bindingConfiguration="StreamedHttp" contract="ServiceReference1.IService1" name="WSHttpBinding_IService1" /> </client> </system.serviceModel> </configuration> And Wcf ServiceLibrary: public void ProcessStreamFromClient(Stream str) { using (var outStream = new FileStream(@"e:\test.jpg", FileMode.Create)) { var buffer = new byte[4096]; int count; while ((count = str.Read(buffer, 0, buffer.Length)) > 0) { outStream.Write(buffer, 0, count); } } } App.config <?xml version="1.0" encoding="utf-8" ?> <configuration> <system.web> <compilation debug="true" /> </system.web> <!-- When deploying the service library project, the content of the config file must be added to the host's app.config file. System.Configuration does not support config files for libraries. --> <system.serviceModel> <bindings> <basicHttpBinding> <binding name="Binding1" hostNameComparisonMode="StrongWildcard" maxBufferSize="65536000" transferMode="Streamed" bypassProxyOnLocal="false" closeTimeout="10:01:00" openTimeout="10:01:00" receiveTimeout="10:10:00" sendTimeout="10:01:00" maxBufferPoolSize="524288000" maxReceivedMessageSize="65536000" messageEncoding="Text" textEncoding="utf-8" useDefaultWebProxy="true" allowCookies="false"> <security mode="None" /> </binding> </basicHttpBinding> </bindings> <client /> <services> <service name="WcfServiceLibrary2.Service1"> <host> <baseAddresses> <add baseAddress="http://localhost:8732/Design_Time_Addresses/WcfServiceLibrary2/Service1/" /> </baseAddresses> </host> <!-- Service Endpoints --> <!-- Unless fully qualified, address is relative to base address supplied above --> <endpoint address="" binding="basicHttpBinding" contract="WcfServiceLibrary2.IService1"> <!-- Upon deployment, the following identity element should be removed or replaced to reflect the identity under which the deployed service runs. If removed, WCF will infer an appropriate identity automatically. --> <identity> <dns value="localhost"/> </identity> </endpoint> <!-- Metadata Endpoints --> <!-- The Metadata Exchange endpoint is used by the service to describe itself to clients. --> <!-- This endpoint does not use a secure binding and should be secured or removed before deployment --> <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/> </service> </services> <behaviors> <serviceBehaviors> <behavior> <!-- To avoid disclosing metadata information, set the value below to false and remove the metadata endpoint above before deployment --> <serviceMetadata httpGetEnabled="True"/> <!-- To receive exception details in faults for debugging purposes, set the value below to true. Set to false before deployment to avoid disclosing exception information --> <dataContractSerializer maxItemsInObjectGraph="2147483647"/> <!-- To receive exception details in faults for debugging purposes, set the value below to true. Set to false before deployment to avoid disclosing exception information --> <serviceDebug includeExceptionDetailInFaults="false" /> </behavior> </serviceBehaviors> </behaviors> </system.serviceModel> </configuration>

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  • why is LZMA SDK (7-zip) so slow

    - by Tono Nam
    I found 7-zip great and I will like to use it on .net applications. I have a 10MB file (a.001) and it takes: 2 seconds to encode. Now it will be nice if I could do the same thing on c#. I have downloaded http://www.7-zip.org/sdk.html LZMA SDK c# source code. I basically copied the CS directory into a console application in visual studio: Then I compiled and eveything compiled smoothly. So on the output directory I placed the file a.001 which is 10MB of size. On the main method that came on the source code I placed: [STAThread] static int Main(string[] args) { // e stands for encode args = "e a.001 output.7z".Split(' '); // added this line for debug try { return Main2(args); } catch (Exception e) { Console.WriteLine("{0} Caught exception #1.", e); // throw e; return 1; } } when I execute the console application the application works great and I get the output a.7z on the working directory. The problem is that it takes so long. It takes about 15 seconds to execute! I have also tried http://stackoverflow.com/a/8775927/637142 approach and it also takes very long. Why is it 10 times slower than the actual program ? Also Even if I set to use only one thread: It still takes much less time (3 seconds vs 15): (Edit) Another Possibility Could it be because C# is slower than assembly or C ? I notice that the algorithm does a lot of heavy operations. For example compare these two blocks of code. They both do the same thing: C void main() { time_t now; int i,j,k,x; long counter ; counter = 0; now = time(NULL); /* LOOP */ for(x=0; x<10; x++) { counter = -1234567890 + x+2; for (j = 0; j < 10000; j++) for(i = 0; i< 1000; i++) for(k =0; k<1000; k++) { if(counter > 10000) counter = counter - 9999; else counter= counter +1; } printf (" %d \n", time(NULL) - now); // display elapsed time } printf("counter = %d\n\n",counter); // display result of counter printf ("Elapsed time = %d seconds ", time(NULL) - now); gets("Wait"); } output c# static void Main(string[] args) { DateTime now; int i, j, k, x; long counter; counter = 0; now = DateTime.Now; /* LOOP */ for (x = 0; x < 10; x++) { counter = -1234567890 + x + 2; for (j = 0; j < 10000; j++) for (i = 0; i < 1000; i++) for (k = 0; k < 1000; k++) { if (counter > 10000) counter = counter - 9999; else counter = counter + 1; } Console.WriteLine((DateTime.Now - now).Seconds.ToString()); } Console.Write("counter = {0} \n", counter.ToString()); Console.Write("Elapsed time = {0} seconds", DateTime.Now - now); Console.Read(); } Output Note how much slower was c#. Both programs where run from outside visual studio on release mode. Maybe that is the reason why it takes so much longer in .net than on c++. Conclusion I cannot seem to know what is causing the problem. I guess I will use 7z.dll and invoke the necessary methods from c#. A library that does that is at: http://sevenzipsharp.codeplex.com/ and that way I am using the same library that 7zip is using as: // dont forget to add reference to SevenZipSharp located on the link I provided static void Main(string[] args) { // load the dll SevenZip.SevenZipCompressor.SetLibraryPath(@"C:\Program Files (x86)\7-Zip\7z.dll"); SevenZip.SevenZipCompressor compress = new SevenZip.SevenZipCompressor(); compress.CompressDirectory("MyFolderToArchive", "output.7z"); }

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  • Can't connect to WCF service on Android

    - by illvm
    I am trying to connect to a .NET WCF service in Android using kSOAP2 (v 2.1.2), but I keep getting a fatal exception whenever I try to make the service call. I'm having a bit of difficulty tracking down the error and can't seem to figure out why it's happening. The code I am using is below: package org.example.android; import org.ksoap2.SoapEnvelope; import org.ksoap2.serialization.PropertyInfo; import org.ksoap2.serialization.SoapObject; import org.ksoap2.serialization.SoapSerializationEnvelope; import org.ksoap2.transport.HttpTransport; import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; import android.os.Bundle; public class ValidateUser extends Activity { private static final String SOAP_ACTION = "http://tempuri.org/mobile/ValidateUser"; private static final String METHOD_NAME = "ValidateUser"; private static final String NAMESPACE = "http://tempuri.org/mobile/"; private static final String URL = "http://192.168.1.2:8002/WebService.Mobile.svc"; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.validate_user); Intent intent = getIntent(); Bundle extras = intent.getExtras(); if (extras == null) { this.finish(); } String username = extras.getString("username"); String password = extras.getString("password"); Boolean validUser = false; try { SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME); PropertyInfo uName = new PropertyInfo(); uName.name = "userName"; PropertyInfo pWord = new PropertyInfo(); pWord.name = "passWord"; request.addProperty(uName, username); request.addProperty(pWord, password); SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11); envelope.dotNet = true; envelope.setOutputSoapObject(request); HttpTransport androidHttpTransport = new HttpTransport(URL); androidHttpTransport.call(SOAP_ACTION, envelope); // error occurs here Integer userId = (Integer)envelope.getResponse(); validUser = (userId != 0); } catch (Exception ex) { } } private void exit () { this.finish(); } } EDIT: Remove the old stack traces. In summary, the first problem was the program being unable to open a connection due to missing methods or libraries due to using vanilla kSOAP2 rather than a modified library for Android (kSOAP2-Android). The second issue was a settings issue. In the Manifest I did not add the following setting: <uses-permission android:name="android.permission.INTERNET" /> I am now having an issue with the XMLPullParser which I need to figure out. 12-23 10:58:06.480: ERROR/SOCKETLOG(210): add_recv_stats recv 0 12-23 10:58:06.710: WARN/System.err(210): org.xmlpull.v1.XmlPullParserException: unexpected type (position:END_DOCUMENT null@1:0 in java.io.InputStreamReader@433fb070) 12-23 10:58:06.710: WARN/System.err(210): at org.kxml2.io.KXmlParser.exception(KXmlParser.java:243) 12-23 10:58:06.720: WARN/System.err(210): at org.kxml2.io.KXmlParser.nextTag(KXmlParser.java:1363) 12-23 10:58:06.720: WARN/System.err(210): at org.ksoap2.SoapEnvelope.parse(SoapEnvelope.java:126) 12-23 10:58:06.720: WARN/System.err(210): at org.ksoap2.transport.Transport.parseResponse(Transport.java:63) 12-23 10:58:06.720: WARN/System.err(210): at org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:100) 12-23 10:58:06.730: WARN/System.err(210): at org.example.android.ValidateUser.onCreate(ValidateUser.java:68) 12-23 10:58:06.730: WARN/System.err(210): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1122) 12-23 10:58:06.730: WARN/System.err(210): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2104) 12-23 10:58:06.730: WARN/System.err(210): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2157) 12-23 10:58:06.730: WARN/System.err(210): at android.app.ActivityThread.access$1800(ActivityThread.java:112) 12-23 10:58:06.730: WARN/System.err(210): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1581) 12-23 10:58:06.730: WARN/System.err(210): at android.os.Handler.dispatchMessage(Handler.java:88) 12-23 10:58:06.730: WARN/System.err(210): at android.os.Looper.loop(Looper.java:123) 12-23 10:58:06.730: WARN/System.err(210): at android.app.ActivityThread.main(ActivityThread.java:3739) 12-23 10:58:06.730: WARN/System.err(210): at java.lang.reflect.Method.invokeNative(Native Method) 12-23 10:58:06.730: WARN/System.err(210): at java.lang.reflect.Method.invoke(Method.java:515) 12-23 10:58:06.730: WARN/System.err(210): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:739) 12-23 10:58:06.730: WARN/System.err(210): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:497) 12-23 10:58:06.730: WARN/System.err(210): at dalvik.system.NativeStart.main(Native Method)

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  • There is no web named - Sharepoint Event Hander

    - by Roosh Malai
    I activated following code with feature (web level scope). Now when i add an item to any document library it should create a folder "". No folder is created and no error is given either. can anyone see what's is going on? I got the following from the log file. I found similar code all over google so I am kinda puzzled why is not working in my environment. Thanks using System; using System.Collections.Generic; using System.Text; using Microsoft.SharePoint; namespace AddaFolder { class clAddaFolder : SPItemEventReceiver { public override void ItemAdded(SPItemEventProperties properties) { base.ItemAdded(properties); using (SPSite currentSite = new SPSite(SPContext.Current.Site.Url)) using (SPWeb currentWeb = currentSite.OpenWeb(SPContext.Current.Web.Url)) { try { //SPListTemplateCollection coll = currentWeb.ListTemplates; //Get the current document library link SPList newList = currentWeb.GetList(SPContext.Current.Web.Url); //.Site.Url); //newList = currentWeb.Lists.Add("My TEST Folder",SPFileSystemObjectType.Folder); //newList.Lists.Items.Add("My TEST Folder", SPFileSystemObjectType.Folder); //newList.Update(); SPListItem newListItem; //newListItem = newList.Folders.Add("", SPFileSystemObjectType.Folder, "My Test Folder"); newListItem = newList.Folders.Add(newList.ToString(), SPFileSystemObjectType.Folder, "My Test Folder"); newListItem.Update(); } catch (SPException spEx) { throw spEx; } } } } } 04/03/2010 17:52:44.25 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Shared Documents/Forms/AllItems.aspx". 04/03/2010 17:52:44.26 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/My TEST Doc Library/Forms/AllItems.aspx". 04/03/2010 17:52:44.27 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Lists/Calendar/calendar.aspx". 04/03/2010 17:52:44.29 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Lists/Tasks/AllItems.aspx". 04/03/2010 17:52:44.30 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Lists/Team Discussion/AllItems.aspx". 04/03/2010 17:52:44.31 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Shared Documents/Forms/AllItems.aspx". 04/03/2010 17:52:44.32 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/My TEST Doc Library/Forms/AllItems.aspx". 04/03/2010 17:52:44.34 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Lists/Calendar/calendar.aspx". 04/03/2010 17:52:44.35 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Lists/Tasks/AllItems.aspx". 04/03/2010 17:52:44.36 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Lists/Team Discussion/AllItems.aspx". 04/03/2010 17:52:51.33 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Shared Documents/Forms/AllItems.aspx". 04/03/2010 17:52:51.34 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/My TEST Doc Library/Forms/AllItems.aspx". 04/03/2010 17:52:51.35 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Lists/Calendar/calendar.aspx". 04/03/2010 17:52:51.37 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Lists/Tasks/AllItems.aspx". 04/03/2010 17:52:51.38 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Lists/Team Discussion/AllItems.aspx". 04/03/2010 17:52:51.39 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Shared Documents/Forms/AllItems.aspx". 04/03/2010 17:52:51.40 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/My TEST Doc Library/Forms/AllItems.aspx". 04/03/2010 17:52:51.41 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Lists/Calendar/calendar.aspx". 04/03/2010 17:52:51.43 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Lists/Tasks/AllItems.aspx". 04/03/2010 17:52:51.44 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Lists/Team Discussion/AllItems.aspx". 04/03/2010 17:53:02.69 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Shared Documents/Forms/AllItems.aspx". 04/03/2010 17:53:02.71 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/My TEST Doc Library/Forms/AllItems.aspx". 04/03/2010 17:53:02.72 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Lists/Calendar/calendar.aspx". 04/03/2010 17:53:02.73 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Lists/Tasks/AllItems.aspx". 04/03/2010 17:53:02.74 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Lists/Team Discussion/AllItems.aspx". 04/03/2010 17:53:02.75 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Shared Documents/Forms/AllItems.aspx". 04/03/2010 17:53:02.76 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/My TEST Doc Library/Forms/AllItems.aspx". 04/03/2010 17:53:02.77 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Lists/Calendar/calendar.aspx". 04/03/2010 17:53:02.78 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Lists/Tasks/AllItems.aspx". 04/03/2010 17:53:02.79 w3wp.exe (0x00C0) 0x0C88 Windows SharePoint Services General 8kh7 High There is no Web named "/sites/myDevSiteColl/myDevWeb/Lists/Team Discussion/AllItems.aspx".

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  • WCF REST POST error bad request 400

    - by lyatcomit
    Here's my code: DOAMIN: using System; using System.Collections; using System.Runtime.Serialization; namespace Comit.TrafficService.Services.Mobile { [DataContract(Namespace = "http://192.168.0.161:9999/TrafficService/Domain/Mobile")] public class Error { [DataMember] public int Id { get; set; } [DataMember] public DateTime Time { get; set; } public string Message { get; set; } [DataMember] public string Stacktrace { get; set; } [DataMember] public string Os { get; set; } [DataMember] public string Resolution { get; set; } } } CONTRACT: using System.ServiceModel; using System.ServiceModel.Web; using Comit.TrafficService.Services.Mobile; namespace Comit.TrafficService.Services.Contracts { [ServiceContract(Name = "MobileErrorService")] public interface IMobileError { /// <summary> /// ??????????? /// </summary> /// <param name="Error">??????</param> /// <returns></returns> [OperationContract] [WebInvoke(Method = "POST", BodyStyle = WebMessageBodyStyle.WrappedResponse, UriTemplate = "ErrorReport", RequestFormat = WebMessageFormat.Xml, ResponseFormat = WebMessageFormat.Xml) ] int ErrorReport(Error error); } } SERVICE: using System.ServiceModel.Web; using Comit.TrafficService.Services.Contracts; using Comit.TrafficService.Dao.Mobile; using System; using Comit.TrafficService.Services.Mobile; namespace Comit.TrafficService.Services { public class MobileErrorService : IMobileError { public int ErrorReport(Error error) { return HandleAdd(error); } public int HandleAdd(Error error) { Console.WriteLine("?????error.Message:" + error.Message); ErrorDao edao = new ErrorDao(); Console.WriteLine("??error" ); int result = (int)edao.Add(error); return result; } } } Configuration: <?xml version="1.0" encoding="utf-8" ?> <configuration> <system.serviceModel> <services> <service name="Comit.TrafficService.Services.MobileErrorService"> <host> <baseAddresses> <add baseAddress="http://192.168.0.161:9999"/> </baseAddresses> </host> <endpoint address="http://192.168.0.161:9999/Comit/TrafficService/Services" binding="webHttpBinding" contract="Comit.TrafficService.Services.Contracts.IMobileError" behaviorConfiguration="RestfulBehavior" name="webHttpBinding"> </endpoint> </service> </services> <behaviors> <endpointBehaviors> <behavior name="RestfulBehavior"> <webHttp/> <dataContractSerializer ignoreExtensionDataObject="true"/> </behavior> </endpointBehaviors> </behaviors> </system.serviceModel> </configuration> Host: using System; using System.Collections.Generic; using System.Linq; using System.ServiceModel; using System.Text; using Comit.TrafficService.Services; namespace ServiceTest { class Program { static void Main(string[] args) { using (ServiceHost host = new ServiceHost(typeof(MobileErrorService))) { host.Opened += delegate { Console.WriteLine("CalculaorService????,????????!"); }; host.Open(); Console.Read(); } } } } Client code: using System; using System.ServiceModel; using System.ServiceModel.Description; using TestWCFRest.WcfServices.Services; using System.Net; namespace TestWCFRest.WcfServices.Hosting { class Program { static void Main(string[] args) { //using (ServiceHost host = new ServiceHost(typeof(CalculatorService))) //{ // host.Opened += delegate // { // Console.WriteLine("CalculaorService????,????????!"); // }; // host.Open(); // Console.Read(); //} HttpWebRequest req = null; HttpWebResponse res = null; try { string url = "http://192.168.0.161:9999/Comit/TrafficService/Services/ErrorReport"; req = (HttpWebRequest)WebRequest.Create(url); req.Method = "POST"; req.ContentType = "application/xml; charset=utf-8"; req.Timeout = 30000; req.Headers.Add("SOAPAction", url); System.Xml.XmlDocument xmlDoc = new System.Xml.XmlDocument(); xmlDoc.XmlResolver = null; xmlDoc.Load(@"d:\test.xml"); string sXML = xmlDoc.InnerXml; req.ContentLength = sXML.Length; System.IO.StreamWriter sw = new System.IO.StreamWriter(req.GetRequestStream()); sw.Write(sXML); sw.Close(); res = (HttpWebResponse)req.GetResponse(); } catch (Exception ex) { System.Console.WriteLine(ex.Message); } } } } It's my first time I'm trying to do somethinf with WCF so I don't know how to solve this problem. Since there is a lot of professionals here, I would appreciate your help in solving this. Thank you in advance!

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  • Unable to Create New Incidents in Dynamics CRM with Java and Axis2

    - by Lutz
    So I've been working on trying to figure this out, oddly when I ran it one machine I got a generic Axis Fault with no description, but now on another machine I'm getting a different error message, but I'm still stuck. Basically I'm just trying to do what I thought would be a fairly trivial task of creating a new incident in Microsoft Dynamics CRM 4.0 via a web services call. I started by downloading the XML from http://hostname/MSCrmServices/2007/CrmService.asmx and generating code from it using Axis2. Anyway, here's my program, any help would be greatly appreciated, as I've been stuck on this for way longer than I thought I'd be and I'm really out of ideas here. public class TestCRM { private static String endpointURL = "http://theHost/MSCrmServices/2007/CrmService.asmx"; private static String userName = "myUserNameHere"; private static String password = "myPasswordHere"; private static String host = "theHostname"; private static int port = 80; private static String domain = "theDomain"; private static String orgName = "theOrganization"; public static void main(String[] args) { CrmServiceStub stub; try { stub = new CrmServiceStub(endpointURL); setOptions(stub._getServiceClient().getOptions()); RetrieveMultipleDocument rmd = RetrieveMultipleDocument.Factory.newInstance(); com.microsoft.schemas.crm._2007.webservices.RetrieveMultipleDocument.RetrieveMultiple rm = com.microsoft.schemas.crm._2007.webservices.RetrieveMultipleDocument.RetrieveMultiple.Factory.newInstance(); QueryExpression query = QueryExpression.Factory.newInstance(); query.setColumnSet(AllColumns.Factory.newInstance()); query.setEntityName(EntityName.INCIDENT.toString()); rm.setQuery(query); rmd.setRetrieveMultiple(rm); TargetCreateIncident tinc = TargetCreateIncident.Factory.newInstance(); Incident inc = tinc.addNewIncident(); inc.setDescription("This is a test of ticket creation through a web services call."); CreateDocument cd = CreateDocument.Factory.newInstance(); Create create = Create.Factory.newInstance(); create.setEntity(inc); cd.setCreate(create); Incident test = (Incident)cd.getCreate().getEntity(); CrmAuthenticationTokenDocument catd = CrmAuthenticationTokenDocument.Factory.newInstance(); CrmAuthenticationToken token = CrmAuthenticationToken.Factory.newInstance(); token.setAuthenticationType(0); token.setOrganizationName(orgName); catd.setCrmAuthenticationToken(token); //The two printlns below spit back XML that looks okay to me? System.out.println(cd); System.out.println(catd); /* stuff that doesn't work */ CreateResponseDocument crd = stub.create(cd, catd, null, null); //this line throws the error CreateResponse cr = crd.getCreateResponse(); System.out.println("create result: " + cr.getCreateResult()); /* End stuff that doesn't work */ System.out.println(); System.out.println(); System.out.println(); boolean fetchNext = true; while(fetchNext){ RetrieveMultipleResponseDocument rmrd = stub.retrieveMultiple(rmd, catd, null, null); //This retrieve using the CRMAuthenticationToken catd works just fine RetrieveMultipleResponse rmr = rmrd.getRetrieveMultipleResponse(); BusinessEntityCollection bec = rmr.getRetrieveMultipleResult(); String pagingCookie = bec.getPagingCookie(); fetchNext = bec.getMoreRecords(); ArrayOfBusinessEntity aobe = bec.getBusinessEntities(); BusinessEntity[] myEntitiesAtLast = aobe.getBusinessEntityArray(); for(int i=0; i<myEntitiesAtLast.length; i++){ //cast to whatever you asked for... Incident myEntity = (Incident) myEntitiesAtLast[i]; System.out.println("["+(i+1)+"]: " + myEntity); } } } catch (Exception e) { e.printStackTrace(); } } private static void setOptions(Options options){ HttpTransportProperties.Authenticator auth = new HttpTransportProperties.Authenticator(); List authSchemes = new ArrayList(); authSchemes.add(HttpTransportProperties.Authenticator.NTLM); auth.setAuthSchemes(authSchemes); auth.setUsername(userName); auth.setPassword(password); auth.setHost(host); auth.setPort(port); auth.setDomain(domain); auth.setPreemptiveAuthentication(false); options.setProperty(HTTPConstants.AUTHENTICATE, auth); options.setProperty(HTTPConstants.REUSE_HTTP_CLIENT, "true"); } } Also, here's the error message I receive: org.apache.axis2.AxisFault: com.ctc.wstx.exc.WstxUnexpectedCharException: Unexpected character 'S' (code 83) in prolog; expected '<' at [row,col {unknown-source}]: [1,1] at org.apache.axis2.AxisFault.makeFault(AxisFault.java:430) at org.apache.axis2.transport.TransportUtils.createSOAPMessage(TransportUtils.java:123) at org.apache.axis2.transport.TransportUtils.createSOAPMessage(TransportUtils.java:67) at org.apache.axis2.description.OutInAxisOperationClient.handleResponse(OutInAxisOperation.java:354) at org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:417) at org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:229) at org.apache.axis2.client.OperationClient.execute(OperationClient.java:165) at com.spanlink.crm.dynamics4.webservice.CrmServiceStub.create(CrmServiceStub.java:618) at com.spanlink.crm.dynamics4.runtime.TestCRM.main(TestCRM.java:82) Caused by: org.apache.axiom.om.OMException: com.ctc.wstx.exc.WstxUnexpectedCharException: Unexpected character 'S' (code 83) in prolog; expected '<' at [row,col {unknown-source}]: [1,1] at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:260) at org.apache.axiom.soap.impl.builder.StAXSOAPModelBuilder.getSOAPEnvelope(StAXSOAPModelBuilder.java:161) at org.apache.axiom.soap.impl.builder.StAXSOAPModelBuilder.<init>(StAXSOAPModelBuilder.java:110) at org.apache.axis2.builder.BuilderUtil.getSOAPBuilder(BuilderUtil.java:682) at org.apache.axis2.transport.TransportUtils.createDocumentElement(TransportUtils.java:215) at org.apache.axis2.transport.TransportUtils.createSOAPMessage(TransportUtils.java:145) at org.apache.axis2.transport.TransportUtils.createSOAPMessage(TransportUtils.java:108) ... 7 more Caused by: com.ctc.wstx.exc.WstxUnexpectedCharException: Unexpected character 'S' (code 83) in prolog; expected '<' at [row,col {unknown-source}]: [1,1] at com.ctc.wstx.sr.StreamScanner.throwUnexpectedChar(StreamScanner.java:623) at com.ctc.wstx.sr.BasicStreamReader.nextFromProlog(BasicStreamReader.java:2047) at com.ctc.wstx.sr.BasicStreamReader.next(BasicStreamReader.java:1069) at javax.xml.stream.util.StreamReaderDelegate.next(StreamReaderDelegate.java:60) at org.apache.axiom.om.impl.builder.SafeXMLStreamReader.next(SafeXMLStreamReader.java:183) at org.apache.axiom.om.impl.builder.StAXOMBuilder.parserNext(StAXOMBuilder.java:597) at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:172) ... 13 more

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  • Android never receives UDP packet

    - by Quandary
    The below code results in a timeout. It works fine on non-Android Java. What's the matter? //@Override public static void run() { //System.out.println ( "Local Machine IP : "+addrStr.toString ( ) ) ; HelloWorldActivity.tv.setText("Trace 1"); try { // Retrieve the ServerName InetAddress serverAddr; //= InetAddress.getByName(Server.SERVERIP); InetAddress ias[] = InetAddress.getAllByName(Server.SERVERNAME); serverAddr = ias[0]; Log.d("UDP", "C: Connecting..."); /* Create new UDP-Socket */ DatagramSocket socket = new DatagramSocket(); /* Prepare some data to be sent. */ String strQuery="ÿÿÿÿgetservers"+" "+Server.iProtocol+" "+"'all'"; Log.d("UDP", strQuery); //byte[] buf = ("ÿÿÿÿgetservers 68 'all'").getBytes(); byte[] buf = strQuery.getBytes(); /* Create UDP-packet with * data & destination(url+port) */ DatagramPacket packet = new DatagramPacket(buf, buf.length, serverAddr, Server.SERVERPORT); Log.d("UDP", "C: Sending: '" + new String(buf) + "'"); /* Send out the packet */ socket.setSoTimeout(5000); socket.send(packet); Log.d("UDP", "C: Sent."); Log.d("UDP", "C: Done."); // http://code.google.com/p/android/issues/detail?id=2917 byte[] buffer= new byte[1024*100]; DatagramPacket receivePacket = new DatagramPacket(buffer, buffer.length); //, serverAddr, Server.SERVERPORT); socket.receive(receivePacket); HelloWorldActivity.tv.setText("TTT"); String x = new String(receivePacket.getData()); Log.d("UDP", "C: Received: '" + x + "'"); HelloWorldActivity.tv.setText(x); } catch (Exception e) { HelloWorldActivity.tv.setText(e.getMessage()); Log.e("UDP", "C: Error", e); } } public class Server { /* //public static java.lang.string SERVERIP; public static String SERVERNAME = "monster.idsoftware.com"; public static String SERVERIP = "192.246.40.56"; public static int SERVERPORT = 27950; public static int PROTOCOL = 68; */ //public static String SERVERNAME="monster.idsoftware.com"; public static String SERVERNAME="dpmaster.deathmask.net"; public static String SERVERIP="192.246.40.56"; public static int SERVERPORT=27950; //public static int iProtocol= 68; // Quake3 public static int iProtocol=71; // OpenArena } Android manifest: <?xml version="1.0" encoding="utf-8"?> <use-permission id="android.permission.READ_CONTACTS" /> <use-permission android:name="android.permission.WRITE_SETTINGS" /> <uses-permission android:name="android.permission.READ_CONTACTS" /> <uses-permission android:name="android.permission.CALL_PHONE" /> <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /> <uses-permission android:name="android.permission.ACCESS_GPS" /> <uses-permission android:name="android.permission.ACCESS_MOCK_LOCATION" /> <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /> <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> <uses-permission android:name="android.permission.ACCESS_LOCATION" /> <uses-permission android:name="android.permission.ACCESS_ASSISTED_GPS" /> <uses-permission android:name="android.permission.ACCESS_CELL_ID" /> <uses-permission android:name="android.permission.RECEIVE_SMS" /> <uses-permission android:name="android.permission.VIBRATE" /> <uses-permission android:name="android.permission.WAKE_LOCK" /> <application android:icon="@drawable/icon" android:label="AAA New Application" > <activity android:name="HelloWorldActivity"> <intent-filter> <action android:name="android.intent.action.MAIN"/> <category android:name="android.intent.category.LAUNCHER"/> </intent-filter> </activity> </application>

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  • General type conversion without risking Exceptions

    - by Mongus Pong
    I am working on a control that can take a number of different datatypes (anything that implements IComparable). I need to be able to compare these with another variable passed in. If the main datatype is a DateTime, and I am passed a String, I need to attempt to convert the String to a DateTime to perform a Date comparison. if the String cannot be converted to a DateTime then do a String comparison. So I need a general way to attempt to convert from any type to any type. Easy enough, .Net provides us with the TypeConverter class. Now, the best I can work out to do to determine if the String can be converted to a DateTime is to use exceptions. If the ConvertFrom raises an exception, I know I cant do the conversion and have to do the string comparison. The following is the best I got : string theString = "99/12/2009"; DateTime theDate = new DateTime ( 2009, 11, 1 ); IComparable obj1 = theString as IComparable; IComparable obj2 = theDate as IComparable; try { TypeConverter converter = TypeDescriptor.GetConverter ( obj2.GetType () ); if ( converter.CanConvertFrom ( obj1.GetType () ) ) { Console.WriteLine ( obj2.CompareTo ( converter.ConvertFrom ( obj1 ) ) ); Console.WriteLine ( "Date comparison" ); } } catch ( FormatException ) { Console.WriteLine ( obj1.ToString ().CompareTo ( obj2.ToString () ) ); Console.WriteLine ( "String comparison" ); } Part of our standards at work state that : Exceptions should only be raised when an Exception situation - ie. an error is encountered. But this is not an exceptional situation. I need another way around it. Most variable types have a TryParse method which returns a boolean to allow you to determine if the conversion has succeeded or not. But there is no TryConvert method available to TypeConverter. CanConvertFrom only dermines if it is possible to convert between these types and doesnt consider the actual data to be converted. The IsValid method is also useless. Any ideas? EDIT I cannot use AS and IS. I do not know either data types at compile time. So I dont know what to As and Is to!!! EDIT Ok nailed the bastard. Its not as tidy as Marc Gravells, but it works (I hope). Thanks for the inpiration Marc. Will work on tidying it up when I get the time, but I've got a bit stack of bugfixes that I have to get on with. public static class CleanConverter { /// <summary> /// Stores the cache of all types that can be converted to all types. /// </summary> private static Dictionary<Type, Dictionary<Type, ConversionCache>> _Types = new Dictionary<Type, Dictionary<Type, ConversionCache>> (); /// <summary> /// Try parsing. /// </summary> /// <param name="s"></param> /// <param name="value"></param> /// <returns></returns> public static bool TryParse ( IComparable s, ref IComparable value ) { // First get the cached conversion method. Dictionary<Type, ConversionCache> type1Cache = null; ConversionCache type2Cache = null; if ( !_Types.ContainsKey ( s.GetType () ) ) { type1Cache = new Dictionary<Type, ConversionCache> (); _Types.Add ( s.GetType (), type1Cache ); } else { type1Cache = _Types[s.GetType ()]; } if ( !type1Cache.ContainsKey ( value.GetType () ) ) { // We havent converted this type before, so create a new conversion type2Cache = new ConversionCache ( s.GetType (), value.GetType () ); // Add to the cache type1Cache.Add ( value.GetType (), type2Cache ); } else { type2Cache = type1Cache[value.GetType ()]; } // Attempt the parse return type2Cache.TryParse ( s, ref value ); } /// <summary> /// Stores the method to convert from Type1 to Type2 /// </summary> internal class ConversionCache { internal bool TryParse ( IComparable s, ref IComparable value ) { if ( this._Method != null ) { // Invoke the cached TryParse method. object[] parameters = new object[] { s, value }; bool result = (bool)this._Method.Invoke ( null, parameters); if ( result ) value = parameters[1] as IComparable; return result; } else return false; } private MethodInfo _Method; internal ConversionCache ( Type type1, Type type2 ) { // Use reflection to get the TryParse method from it. this._Method = type2.GetMethod ( "TryParse", new Type[] { type1, type2.MakeByRefType () } ); } } }

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  • Hibernate : load and

    - by Albert Kam
    According to the tutorial : http://jpa.ezhibernate.com/Javacode/learn.jsp?tutorial=27hibernateloadvshibernateget, If you initialize a JavaBean instance with a load method call, you can only access the properties of that JavaBean, for the first time, within the transactional context in which it was initialized. If you try to access the various properties of the JavaBean after the transaction that loaded it has been committed, you'll get an exception, a LazyInitializationException, as Hibernate no longer has a valid transactional context to use to hit the database. But with my experiment, using hibernate 3.6, and postgres 9, it doesnt throw any exception at all. Am i missing something ? Here's my code : import org.hibernate.Session; public class AppLoadingEntities { /** * @param args */ public static void main(String[] args) { HibernateUtil.beginTransaction(); Session session = HibernateUtil.getSession(); EntityUser userFromGet = get(session); EntityUser userFromLoad = load(session); // finish the transaction session.getTransaction().commit(); // try fetching field value from entity bean that is fetched via get outside transaction, and it'll be okay System.out.println("userFromGet.getId() : " + userFromGet.getId()); System.out.println("userFromGet.getName() : " + userFromGet.getName()); // fetching field from entity bean that is fetched via load outside transaction, and it'll be errornous // NOTE : but after testing, load seems to be okay, what gives ? ask forums try { System.out.println("userFromLoad.getId() : " + userFromLoad.getId()); System.out.println("userFromLoad.getName() : " + userFromLoad.getName()); } catch(Exception e) { System.out.println("error while fetching entity that is fetched from load : " + e.getMessage()); } } private static EntityUser load(Session session) { EntityUser user = (EntityUser) session.load(EntityUser.class, 1l); System.out.println("user fetched with 'load' inside transaction : " + user); return user; } private static EntityUser get(Session session) { // safe to set it to 1, coz the table got recreated at every run of this app EntityUser user = (EntityUser) session.get(EntityUser.class, 1l); System.out.println("user fetched with 'get' : " + user); return user; } } And here's the output : 88 [main] INFO org.hibernate.annotations.common.Version - Hibernate Commons Annotations 3.2.0.Final 93 [main] INFO org.hibernate.cfg.Environment - Hibernate 3.6.0.Final 94 [main] INFO org.hibernate.cfg.Environment - hibernate.properties not found 96 [main] INFO org.hibernate.cfg.Environment - Bytecode provider name : javassist 98 [main] INFO org.hibernate.cfg.Environment - using JDK 1.4 java.sql.Timestamp handling 139 [main] INFO org.hibernate.cfg.Configuration - configuring from resource: /hibernate.cfg.xml 139 [main] INFO org.hibernate.cfg.Configuration - Configuration resource: /hibernate.cfg.xml 172 [main] WARN org.hibernate.util.DTDEntityResolver - recognized obsolete hibernate namespace http://hibernate.sourceforge.net/. Use namespace http://www.hibernate.org/dtd/ instead. Refer to Hibernate 3.6 Migration Guide! 191 [main] INFO org.hibernate.cfg.Configuration - Configured SessionFactory: null 237 [main] INFO org.hibernate.cfg.AnnotationBinder - Binding entity from annotated class: EntityUser 263 [main] INFO org.hibernate.cfg.annotations.EntityBinder - Bind entity EntityUser on table MstUser 293 [main] INFO org.hibernate.cfg.Configuration - Hibernate Validator not found: ignoring 296 [main] INFO org.hibernate.cfg.search.HibernateSearchEventListenerRegister - Unable to find org.hibernate.search.event.FullTextIndexEventListener on the classpath. Hibernate Search is not enabled. 300 [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - Using Hibernate built-in connection pool (not for production use!) 300 [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - Hibernate connection pool size: 20 300 [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - autocommit mode: false 309 [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - using driver: org.postgresql.Driver at URL: jdbc:postgresql://localhost:5432/hibernate 309 [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - connection properties: {user=sofco, password=****} 354 [main] INFO org.hibernate.cfg.SettingsFactory - Database -> name : PostgreSQL version : 9.0.1 major : 9 minor : 0 354 [main] INFO org.hibernate.cfg.SettingsFactory - Driver -> name : PostgreSQL Native Driver version : PostgreSQL 9.0 JDBC4 (build 801) major : 9 minor : 0 372 [main] INFO org.hibernate.dialect.Dialect - Using dialect: org.hibernate.dialect.PostgreSQLDialect 382 [main] INFO org.hibernate.engine.jdbc.JdbcSupportLoader - Disabling contextual LOB creation as createClob() method threw error : java.lang.reflect.InvocationTargetException 383 [main] INFO org.hibernate.transaction.TransactionFactoryFactory - Transaction strategy: org.hibernate.transaction.JDBCTransactionFactory 384 [main] INFO org.hibernate.transaction.TransactionManagerLookupFactory - No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended) 384 [main] INFO org.hibernate.cfg.SettingsFactory - Automatic flush during beforeCompletion(): disabled 384 [main] INFO org.hibernate.cfg.SettingsFactory - Automatic session close at end of transaction: disabled 384 [main] INFO org.hibernate.cfg.SettingsFactory - JDBC batch size: 15 384 [main] INFO org.hibernate.cfg.SettingsFactory - JDBC batch updates for versioned data: disabled 384 [main] INFO org.hibernate.cfg.SettingsFactory - Scrollable result sets: enabled 384 [main] INFO org.hibernate.cfg.SettingsFactory - JDBC3 getGeneratedKeys(): enabled 384 [main] INFO org.hibernate.cfg.SettingsFactory - Connection release mode: auto 385 [main] INFO org.hibernate.cfg.SettingsFactory - Default batch fetch size: 1 385 [main] INFO org.hibernate.cfg.SettingsFactory - Generate SQL with comments: disabled 385 [main] INFO org.hibernate.cfg.SettingsFactory - Order SQL updates by primary key: disabled 385 [main] INFO org.hibernate.cfg.SettingsFactory - Order SQL inserts for batching: disabled 385 [main] INFO org.hibernate.cfg.SettingsFactory - Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory 385 [main] INFO org.hibernate.hql.ast.ASTQueryTranslatorFactory - Using ASTQueryTranslatorFactory 385 [main] INFO org.hibernate.cfg.SettingsFactory - Query language substitutions: {} 385 [main] INFO org.hibernate.cfg.SettingsFactory - JPA-QL strict compliance: disabled 385 [main] INFO org.hibernate.cfg.SettingsFactory - Second-level cache: enabled 385 [main] INFO org.hibernate.cfg.SettingsFactory - Query cache: disabled 385 [main] INFO org.hibernate.cfg.SettingsFactory - Cache region factory : org.hibernate.cache.impl.NoCachingRegionFactory 386 [main] INFO org.hibernate.cfg.SettingsFactory - Optimize cache for minimal puts: disabled 386 [main] INFO org.hibernate.cfg.SettingsFactory - Structured second-level cache entries: disabled 388 [main] INFO org.hibernate.cfg.SettingsFactory - Echoing all SQL to stdout 389 [main] INFO org.hibernate.cfg.SettingsFactory - Statistics: disabled 389 [main] INFO org.hibernate.cfg.SettingsFactory - Deleted entity synthetic identifier rollback: disabled 389 [main] INFO org.hibernate.cfg.SettingsFactory - Default entity-mode: pojo 389 [main] INFO org.hibernate.cfg.SettingsFactory - Named query checking : enabled 389 [main] INFO org.hibernate.cfg.SettingsFactory - Check Nullability in Core (should be disabled when Bean Validation is on): enabled 402 [main] INFO org.hibernate.impl.SessionFactoryImpl - building session factory 549 [main] INFO org.hibernate.impl.SessionFactoryObjectFactory - Not binding factory to JNDI, no JNDI name configured Hibernate: select entityuser0_.id as id0_0_, entityuser0_.name as name0_0_, entityuser0_.password as password0_0_ from MstUser entityuser0_ where entityuser0_.id=? user fetched with 'get' : 1:Albert Kam xzy:abc user fetched with 'load' inside transaction : 1:Albert Kam xzy:abc userFromGet.getId() : 1 userFromGet.getName() : Albert Kam xzy userFromLoad.getId() : 1 userFromLoad.getName() : Albert Kam xzy

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  • flash blocking javascript events

    - by jedierikb
    this is an edit of the original post now that I better understand the problem. now with source code! In IE, if body (or another html div has focus), then you keypress & click on flash at the same time, then release... a keyup event is never fired. It is not fired in javascript or in flash. Where is this keyup event? This is the order of event firing you get instead: javascriptKeyEvent:bodyDn ** currentFocuedElement: body javascriptKeyEvent:docDn ** currentFocuedElement: body actionScriptEvent::activate ** currentFocuedElement: [object] actionScriptEvent::mouseDown ** currentFocuedElement: [object] actionScriptEvent::mouseUp ** currentFocuedElement: [object] Subsequent keyup and keydown events are captured by flash, but that initial keyUp is never fired.. anywhere. And I need that keyup! Here is the html/javascript: <html> <head> <script type="text/javascript" src="p.js"></script> <script type="text/javascript" src="swfobject.js"></script> <script> function ic( evt ) { Event.observe( $("f1"), 'keyup', onKeyHandler.bindAsEventListener( this, "f1Up" ) ); Event.observe( $("f2"), 'keyup', onKeyHandler.bindAsEventListener( this, "f2Up" ) ); Event.observe( document, 'keyup', onKeyHandler.bindAsEventListener( this, "docUp" ) ); Event.observe( $("body"), 'keyup', onKeyHandler.bindAsEventListener( this, "bodyUp" ) ); Event.observe( window, 'keyup', onKeyHandler.bindAsEventListener( this, "windowUp" ) ); Event.observe( $("f1"), 'keydown', onKeyHandler.bindAsEventListener( this, "f1Dn" ) ); Event.observe( $("f2"), 'keydown', onKeyHandler.bindAsEventListener( this, "f2Dn" ) ); Event.observe( document, 'keydown', onKeyHandler.bindAsEventListener( this, "docDn" ) ); Event.observe( $("body"), 'keydown', onKeyHandler.bindAsEventListener( this, "bodyDn" ) ); Event.observe( window, 'keydown', onKeyHandler.bindAsEventListener( this, "windowDn" ) ); Event.observe( "clr", "mousedown", clearHandler.bindAsEventListener( this ) ); swfobject.embedSWF( "tmp.swf", "f2", "100%", "20px", "9.0.0.0", null, {}, {}, {} ); } function clearHandler( evt ) { clear( ); } function clear( ) { $("log").innerHTML = ""; } function onKeyHandler( evt, dn ) { logIt( "javascriptKeyEvent:"+dn ); } function AS2JS( wha ) { logIt( "actionScriptEvent::" + wha ); } function logIt( k ) { var id = document.activeElement; if (id.identify) { id = id.identify(); } $("log").innerHTML = k + " ** focuedElement: " + id + "<br>" + $("log").innerHTML; } Event.observe( window, 'load', ic.bindAsEventListener(this) ); </script> </head> <body id="body"> <div id="f1"><div id="f2" style="width:100%;height:20px; position:absolute; bottom:0px;"></div></div> <div id="clr" style="color:blue;">clear</div> <div id="log" style="overflow:auto;height:200px;width:500px;"></div> </body> </html> Here is the as3 code: package { import flash.display.Sprite; import flash.display.StageAlign; import flash.display.StageScaleMode; import flash.events.KeyboardEvent; import flash.events.MouseEvent; import flash.events.Event; import flash.external.ExternalInterface; public class tmpa extends Sprite { public function tmpa( ):void { extInt("flashInit"); stage.align = StageAlign.TOP_LEFT; stage.scaleMode = StageScaleMode.NO_SCALE; stage.addEventListener( KeyboardEvent.KEY_DOWN, keyDnCb, false, 0, true ); stage.addEventListener( KeyboardEvent.KEY_UP, keyUpCb, false, 0, true ); stage.addEventListener( MouseEvent.MOUSE_DOWN, mDownCb, false, 0, true ); stage.addEventListener( MouseEvent.MOUSE_UP, mUpCb, false, 0, true ); addEventListener( Event.ACTIVATE, activateCb, false, 0, true ); addEventListener( Event.DEACTIVATE, dectivateCb, false, 0, true ); } private function activateCb( evt:Event ):void { extInt("activate"); } private function dectivateCb( evt:Event ):void { extInt("deactivate"); } private function mDownCb( evt:MouseEvent ):void { extInt("mouseDown"); } private function mUpCb( evt:MouseEvent ):void { extInt("mouseUp"); } private function keyDnCb( evt:KeyboardEvent ):void { extInt( "keyDn" ); } private function keyUpCb( evt:KeyboardEvent ):void { extInt( "keyUp" ); } private function extInt( wha:String ):void { try { ExternalInterface.call( "AS2JS", wha ); } catch (ex:Error) { trace('ex: ' + ex); } } } }

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  • From AutoComplete textbox to database search and display?

    - by svebee
    Hello everyone, I have a small problem so I would be grateful if anyone could help me in any way. Thank you ;) I have this little "application", and I want when someone type in a AutoComplete textbox for example "New" it automatically displays "New York" as a option and that (AutoComplete function) works fine. But I want when user type in full location (or AutoComplete do it for him) - that text (location) input is forwarded to a database search which then searches through database and "collects" all rows with user-typed location. For example if user typed in "New York", database search would find all rows with "New York" in it. When it finds one/more row(s) it would display them below. In images... I have this when user is typing... http://www.imagesforme.com/show.php/1093305_SNAG0000.jpg I have this when user choose a AutoComplete location (h)ttp://www.imagesforme.com/show.php/1093306_SNAG0001.jpg (remove () on the beggining) But I wanna this when user choose a AutoComplete location (h)ttp://www.imagesforme.com/show.php/1093307_CopyofSNAG0001.jpg (remove () on the beggining) Complete Code package com.svebee.prijevoz; import android.app.Activity; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; import android.os.Bundle; import android.util.Log; import android.widget.ArrayAdapter; import android.widget.AutoCompleteTextView; import android.widget.TextView; public class ZelimDoci extends Activity { TextView lista; static final String[] STANICE = new String[] { "New York", "Chicago", "Dallas", "Los Angeles" }; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.zelimdoci); AutoCompleteTextView textView = (AutoCompleteTextView) findViewById(R.id.autocomplete_country); ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, R.layout.list_item, STANICE); textView.setAdapter(adapter); lista = (TextView)findViewById(R.id.lista); SQLiteDatabase myDB= null; String TableName = "Database"; String Data=""; /* Create a Database. */ try { myDB = this.openOrCreateDatabase("Database", MODE_PRIVATE, null); /* Create a Table in the Database. */ myDB.execSQL("CREATE TABLE IF NOT EXISTS " + TableName + " (Field1 INT(3) UNIQUE, Field2 INT(3) UNIQUE, Field3 VARCHAR UNIQUE, Field4 VARCHAR UNIQUE);"); Cursor a = myDB.rawQuery("SELECT * FROM Database where Field1 == 1", null); a.moveToFirst(); if (a == null) { /* Insert data to a Table*/ myDB.execSQL("INSERT INTO " + TableName + " (Field1, Field2, Field3, Field4)" + " VALUES (1, 119, 'New York', 'Dallas');"); myDB.execSQL("INSERT INTO " + TableName + " (Field1, Field2, Field3, Field4)" + " VALUES (9, 587, 'California', 'New York');"); } myDB.execSQL("INSERT INTO " + TableName + " (Field1, Field2, Field3, Field4)" + " VALUES (87, 57, 'Canada', 'London');"); } /*retrieve data from database */ Cursor c = myDB.rawQuery("SELECT * FROM " + TableName , null); int Column1 = c.getColumnIndex("Field1"); int Column2 = c.getColumnIndex("Field2"); int Column3 = c.getColumnIndex("Field3"); int Column4 = c.getColumnIndex("Field4"); // Check if our result was valid. c.moveToFirst(); if (c != null) { // Loop through all Results do { String LocationA = c.getString(Column3); String LocationB = c.getString(Column4); int Id = c.getInt(Column1); int Linija = c.getInt(Column2); Data =Data +Id+" | "+Linija+" | "+LocationA+"-"+LocationB+"\n"; }while(c.moveToNext()); } lista.setText(String.valueOf(Data)); } catch(Exception e) { Log.e("Error", "Error", e); } finally { if (myDB != null) myDB.close(); } } } .xml file <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:textSize="20sp" android:gravity="center_horizontal" android:padding="10sp" android:text="Test AutoComplete"/> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content" android:padding="5dp"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="AutoComplete" /> <AutoCompleteTextView android:id="@+id/autocomplete_country" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginLeft="5dp"/> </LinearLayout> </LinearLayout>

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  • Not catching all mouse events with wxWidgets

    - by Stef
    Hi I am am trying to catch mouse movements for a MouseOver function in an app created with Code::Blocks using the wxSmith plugin. I have stumbled upon a puzzling problem. EVT_MOUSEWHEEL calling the function in the EventTable works well, but all other macros have no result at all. And the mousewheel is not really want I want (I just used it to test...) Here is a the basic problem code (mostly generated by the fantastic wxSmith plugin) MouseMain.h #include <wx/frame.h> #include <wx/statusbr.h> //*) class MouseFrame: public wxFrame { public: MouseFrame(wxWindow* parent,wxWindowID id = -1); virtual ~MouseFrame(); private: //(*Handlers(MouseFrame) void OnQuit(wxCommandEvent& event); void OnAbout(wxCommandEvent& event); void OnButton1Click(wxCommandEvent& event); void MouseOver(wxMouseEvent& event); //*) //(*Identifiers(MouseFrame) static const long ID_BUTTON1; static const long ID_STATICBITMAP1; static const long ID_PANEL1; static const long idMenuQuit; static const long idMenuAbout; static const long ID_STATUSBAR1; //*) //(*Declarations(MouseFrame) wxButton* Button1; wxStaticBitmap* StaticBitmap1; wxPanel* Panel1; wxStatusBar* StatusBar1; //*) DECLARE_EVENT_TABLE() }; #endif // MOUSEMAIN_H ...and MouseMain.cpp #include "wx_pch.h" #include "MouseMain.h" #include <wx/msgdlg.h> //(*InternalHeaders(MouseFrame) #include <wx/bitmap.h> #include <wx/intl.h> #include <wx/image.h> #include <wx/string.h> //*) //helper functions enum wxbuildinfoformat { short_f, long_f }; wxString wxbuildinfo(wxbuildinfoformat format) { wxString wxbuild(wxVERSION_STRING); if (format == long_f ) { #if defined(__WXMSW__) wxbuild << _T("-Windows"); #elif defined(__UNIX__) wxbuild << _T("-Linux"); #endif #if wxUSE_UNICODE wxbuild << _T("-Unicode build"); #else wxbuild << _T("-ANSI build"); #endif // wxUSE_UNICODE } return wxbuild; } //(*IdInit(MouseFrame) const long MouseFrame::ID_BUTTON1 = wxNewId(); const long MouseFrame::ID_STATICBITMAP1 = wxNewId(); const long MouseFrame::ID_PANEL1 = wxNewId(); const long MouseFrame::idMenuQuit = wxNewId(); const long MouseFrame::idMenuAbout = wxNewId(); const long MouseFrame::ID_STATUSBAR1 = wxNewId(); //*) BEGIN_EVENT_TABLE(MouseFrame,wxFrame) EVT_RIGHT_DCLICK(MouseFrame::MouseOver) EVT_MOUSEWHEEL(MouseFrame::MouseOver) EVT_MOTION(MouseFrame::MouseOver) EVT_RIGHT_DOWN(MouseFrame::MouseOver) //(*EventTable(MouseFrame) //*) END_EVENT_TABLE() MouseFrame::MouseFrame(wxWindow* parent,wxWindowID id) { //(*Initialize(MouseFrame) wxMenuItem* MenuItem2; wxMenuItem* MenuItem1; wxMenu* Menu1; wxMenuBar* MenuBar1; wxFlexGridSizer* FlexGridSizer1; wxMenu* Menu2; Create(parent, id, wxEmptyString, wxDefaultPosition, wxDefaultSize, wxDEFAULT_FRAME_STYLE, _T("id")); Panel1 = new wxPanel(this, ID_PANEL1, wxPoint(144,392), wxDefaultSize, wxTAB_TRAVERSAL, _T("ID_PANEL1")); FlexGridSizer1 = new wxFlexGridSizer(0, 3, 0, 0); Button1 = new wxButton(Panel1, ID_BUTTON1, _("TheButton"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator, _T("ID_BUTTON1")); FlexGridSizer1->Add(Button1, 1, wxALL|wxALIGN_CENTER_HORIZONTAL|wxALIGN_CENTER_VERTICAL, 5); StaticBitmap1 = new wxStaticBitmap(Panel1, ID_STATICBITMAP1, wxNullBitmap, wxDefaultPosition, wxSize(159,189), wxSUNKEN_BORDER, _T("ID_STATICBITMAP1")); FlexGridSizer1->Add(StaticBitmap1, 1, wxALL|wxALIGN_CENTER_HORIZONTAL|wxALIGN_CENTER_VERTICAL, 5); Panel1->SetSizer(FlexGridSizer1); FlexGridSizer1->Fit(Panel1); FlexGridSizer1->SetSizeHints(Panel1); MenuBar1 = new wxMenuBar(); Menu1 = new wxMenu(); MenuItem1 = new wxMenuItem(Menu1, idMenuQuit, _("Quit\tAlt-F4"), _("Quit the application"), wxITEM_NORMAL); Menu1->Append(MenuItem1); MenuBar1->Append(Menu1, _("&File")); Menu2 = new wxMenu(); MenuItem2 = new wxMenuItem(Menu2, idMenuAbout, _("About\tF1"), _("Show info about this application"), wxITEM_NORMAL); Menu2->Append(MenuItem2); MenuBar1->Append(Menu2, _("Help")); SetMenuBar(MenuBar1); StatusBar1 = new wxStatusBar(this, ID_STATUSBAR1, 0, _T("ID_STATUSBAR1")); int __wxStatusBarWidths_1[1] = { -1 }; int __wxStatusBarStyles_1[1] = { wxSB_NORMAL }; StatusBar1->SetFieldsCount(1,__wxStatusBarWidths_1); StatusBar1->SetStatusStyles(1,__wxStatusBarStyles_1); SetStatusBar(StatusBar1); Connect(ID_BUTTON1,wxEVT_COMMAND_BUTTON_CLICKED,(wxObjectEventFunction)&MouseFrame::OnButton1Click); Connect(idMenuQuit,wxEVT_COMMAND_MENU_SELECTED,(wxObjectEventFunction)&MouseFrame::OnQuit); Connect(idMenuAbout,wxEVT_COMMAND_MENU_SELECTED,(wxObjectEventFunction)&MouseFrame::OnAbout); //*) } MouseFrame::~MouseFrame() { //(*Destroy(MouseFrame) //*) } void MouseFrame::OnQuit(wxCommandEvent& event) { Close(); } void MouseFrame::OnAbout(wxCommandEvent& event) { wxString msg = wxbuildinfo(long_f); wxMessageBox(msg, _("Welcome to...")); } void MouseFrame::OnButton1Click(wxCommandEvent& event) { } void MouseFrame::MouseOver(wxMouseEvent& event){ wxMessageBox(_("MouseOver event!")); } So my big question: Why are EVT_MOTION, EVT_RIGHT_DOWN or EVT_RIGHT_DCLICK not calling MouseFrame::MouseOver(wxMouseEvent& event) in the way EVT_MOUSEWHEEL does?

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  • Cannot use WCF service from windows mobile 5: no endpoint found.

    - by sweeney
    Hi All, I'm trying to figure out how to call a WCF service from a windows smart phone. I have a very simple smartphone console app, which does nothing but launch and make 1 call to the service. The service simply returns a string. I am able to instantiate the proxy class but when i call the method it throws an exception: There was no endpoint listening at http://mypcname/Service1.svc/basic that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details. The inner exception: Could not establish connection to network. I've tried to follow this tutorial on setting up services with windows mobile. I've used the NetCFSvcUtil to create the proxy classes. I have the service running on IIS on my machine and had the Util consume the wsdl from that location. I've created a basic http binding as suggested in the article and i think i've pointed the proxy at the correct uri. Here some sections of relevant code in case it's helpful to see. If anyone has any suggestions, i'd really appreciate it. I'm not sure what else i can poke at to get this thing to work. Thanks! Client, (Program.cs): using System; using System.Linq; using System.Collections.Generic; using System.Text; namespace WcfPoC { class Program { static void Main(string[] args) { try { Service1Client proxy = new Service1Client(); string test = proxy.GetData(5); } catch (Exception e) { Console.WriteLine(e.Message); Console.WriteLine(e.InnerException.Message); Console.WriteLine(e.StackTrace); } } } } Client Proxy excerpt (Service1.cs): [System.Diagnostics.DebuggerStepThroughAttribute()] [System.CodeDom.Compiler.GeneratedCodeAttribute("System.ServiceModel", "3.0.0.0")] public partial class Service1Client : Microsoft.Tools.ServiceModel.CFClientBase<IService1>, IService1 { //modified according to the walk thru linked above... public static System.ServiceModel.EndpointAddress EndpointAddress = new System.ServiceModel.EndpointAddress("http://boston7/Service1.svc/basic"); /* *a bunch of code create by the svc util - left unmodified */ } The Service (Service1.svc.cs): using System; using System.Collections.Generic; using System.Linq; using System.Runtime.Serialization; using System.ServiceModel; using System.Text; namespace WcfService1 { // NOTE: If you change the class name "Service1" here, you must also update the reference to "Service1" in Web.config and in the associated .svc file. public class Service1 : IService1 { public string GetData(int value) //i'm calling this one... { return string.Format("You entered: {0}", value); } public CompositeType GetDataUsingDataContract(CompositeType composite) { if (composite.BoolValue) { composite.StringValue += "Suffix"; } return composite; } } } Service Interface (IService1.cs): using System; using System.Collections.Generic; using System.Linq; using System.Runtime.Serialization; using System.ServiceModel; using System.Text; namespace WcfService1 { // NOTE: If you change the interface name "IService1" here, you must also update the reference to "IService1" in Web.config. [ServiceContract] public interface IService1 { [OperationContract] string GetData(int value); //this is the call im using... [OperationContract] CompositeType GetDataUsingDataContract(CompositeType composite); // TODO: Add your service operations here } // Use a data contract as illustrated in the sample below to add composite types to service operations. [DataContract] public class CompositeType { /* * ommitted - not using this type anyway... */ } } Web.config excerpt: <services> <service name="WcfService1.Service1" behaviorConfiguration="WcfService1.Service1Behavior"> <!-- Service Endpoints --> <endpoint address="" binding="basicHttpBinding" contract="WcfService1.IService1"/> <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/> <host> <baseAddresses> <add baseAddress="http://boston7/" /> </baseAddresses> </host> </service> </services>

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  • Issues using a Fedex Webservice via WDSL/SOAP

    - by Parris
    Hi Everyone, I downloaded the sample code to request a rate from fedex's website... i placed the WSDL file in the proper location, I have my acct number, password, meter number, and key. When I run the script I get this error: Error in processing transaction. ERROR prof 1000 Authentication Failed The script they give is as follows, and yes i do actually replace the XXX and YYY everywhere it says.: <?php // Copyright 2009, FedEx Corporation. All rights reserved. // Version 7.0.0 require_once('fedex-common.php5'); $newline = "<br />"; //The WSDL is not included with the sample code. //Please include and reference in $path_to_wsdl variable. $path_to_wsdl = "RateService_v7.wsdl"; ini_set("soap.wsdl_cache_enabled", "0"); $client = new SoapClient($path_to_wsdl, array('trace' => 1)); // Refer to http://us3.php.net/manual/en/ref.soap.php for more information $request['WebAuthenticationDetail'] = array('UserCredential' => array('Key' => 'XXX', 'Password' => 'YYY')); // Replace 'XXX' and 'YYY' with FedEx provided credentials $request['ClientDetail'] = array('AccountNumber' => 'XXX', 'MeterNumber' => 'YYY');// Replace 'XXX' with your account and meter number $request['TransactionDetail'] = array('CustomerTransactionId' => ' *** Rate Request v7 using PHP ***'); $request['Version'] = array('ServiceId' => 'crs', 'Major' => '7', 'Intermediate' => '0', 'Minor' => '0'); $request['ReturnTransitAndCommit'] = true; $request['RequestedShipment']['DropoffType'] = 'REGULAR_PICKUP'; // valid values REGULAR_PICKUP, REQUEST_COURIER, ... $request['RequestedShipment']['ShipTimestamp'] = date('c'); $request['RequestedShipment']['ServiceType'] = 'FEDEX_GROUND'; // valid values STANDARD_OVERNIGHT, PRIORITY_OVERNIGHT, FEDEX_GROUND, ... $request['RequestedShipment']['PackagingType'] = 'YOUR_PACKAGING'; // valid values FEDEX_BOX, FEDEX_PAK, FEDEX_TUBE, YOUR_PACKAGING, ... $request['RequestedShipment']['Shipper'] = array('Address' => array( 'StreetLines' => array('10 Fed Ex Pkwy'), // Origin details 'City' => 'Memphis', 'StateOrProvinceCode' => 'TN', 'PostalCode' => '38115', 'CountryCode' => 'US')); $request['RequestedShipment']['Recipient'] = array('Address' => array ( 'StreetLines' => array('13450 Farmcrest Ct'), // Destination details 'City' => 'Herndon', 'StateOrProvinceCode' => 'VA', 'PostalCode' => '20171', 'CountryCode' => 'US')); $request['RequestedShipment']['ShippingChargesPayment'] = array('PaymentType' => 'SENDER', 'Payor' => array('AccountNumber' => 'XXX', // Replace 'XXX' with payor's account number 'CountryCode' => 'US')); $request['RequestedShipment']['RateRequestTypes'] = 'ACCOUNT'; $request['RequestedShipment']['RateRequestTypes'] = 'LIST'; $request['RequestedShipment']['PackageCount'] = '2'; $request['RequestedShipment']['PackageDetailSpecified'] = true; $request['RequestedShipment']['PackageDetail'] = 'INDIVIDUAL_PACKAGES'; // Or PACKAGE_SUMMARY $request['RequestedShipment']['RequestedPackageLineItems'] = array('0' => array('Weight' => array('Value' => 2.0, 'Units' => 'LB'), 'Dimensions' => array('Length' => 10, 'Width' => 10, 'Height' => 3, 'Units' => 'IN')), '1' => array('Weight' => array('Value' => 5.0, 'Units' => 'LB'), 'Dimensions' => array('Length' => 20, 'Width' => 20, 'Height' => 10, 'Units' => 'IN'))); try { $response = $client ->getRates($request); if ($response -> HighestSeverity != 'FAILURE' && $response -> HighestSeverity != 'ERROR') { printRequestResponse($client); } else { echo 'Error in processing transaction.'. $newline. $newline; foreach ($response -> Notifications as $notification) { if(is_array($response -> Notifications)) { echo $notification -> Severity; echo ': '; echo $notification -> Message . $newline; } else { echo $notification . $newline; } } } writeToLog($client); // Write to log file } catch (SoapFault $exception) { printFault($exception, $client); } ?> I am not quite sure why it isn't working, i've read about using a proxy, but I am not quite sure how i would use it in this case? Isn't the point of using SOAP and WSDL to avoid using CURL, Direct Connect type stuff?

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  • Event Handlers Not Getting Called? - wxWidgets

    - by Alex
    Hello all, I'm working on a program for my C++ programming class, using wxWidgets. I'm having a huge problem in that my event handlers (I assume) are not getting called, because when I click on the button to trigger the event, nothing happens. My question is: Can you help me find the problem and explain why they would not be getting called? The event handlers OnAbout and OnQuit are working, just not OnCompute or OnClear. I'm really frustrated as I can't figure this out. Thanks a bunch in advance! #include "wx/wx.h" #include "time.h" #include <string> using std::string; // create object of Time class Time first; class App: public wxApp { virtual bool OnInit(); }; class MainPanel : public wxPanel { public: // Constructor for panel class // Constructs my panel class // Params - wxWindow pointer // no return type // pre-conditions: none // post-conditions: none MainPanel(wxWindow* parent); // OnCompute is the event handler for the Compute button // params - none // preconditions - none // postconditions - tasks will have been carried otu successfully // returns void void OnCompute(wxCommandEvent& WXUNUSED(event)); // OnClear is the event handler for the Clear button // params - none // preconditions - none // postconditions - all text areas will be cleared of data // returns void void OnClear(wxCommandEvent& WXUNUSED(event)); // Destructor for panel class // params none // preconditions - none // postconditions - none // no return type ~MainPanel( ); private: wxStaticText *startLabel; wxStaticText *endLabel; wxStaticText *pCLabel; wxStaticText *newEndLabel; wxTextCtrl *start; wxTextCtrl *end; wxTextCtrl *pC; wxTextCtrl *newEnd; wxButton *compute; wxButton *clear; DECLARE_EVENT_TABLE() }; class MainFrame: public wxFrame { private: wxPanel *mainPanel; public: MainFrame(const wxString& title, const wxPoint& pos, const wxSize& size); void OnQuit(wxCommandEvent& event); void OnAbout(wxCommandEvent& event); ~MainFrame(); DECLARE_EVENT_TABLE() }; enum { ID_Quit = 1, ID_About, BUTTON_COMPUTE = 100, BUTTON_CLEAR = 200 }; IMPLEMENT_APP(App) BEGIN_EVENT_TABLE(MainFrame, wxFrame) EVT_MENU(ID_Quit, MainFrame::OnQuit) EVT_MENU(ID_About, MainFrame::OnAbout) END_EVENT_TABLE() BEGIN_EVENT_TABLE(MainPanel, wxPanel) EVT_MENU(BUTTON_COMPUTE, MainPanel::OnCompute) EVT_MENU(BUTTON_CLEAR, MainPanel::OnClear) END_EVENT_TABLE() bool App::OnInit() { MainFrame *frame = new MainFrame( _("Good Guys Delivery Time Calculator"), wxPoint(50, 50), wxSize(450,340) ); frame->Show(true); SetTopWindow(frame); return true; } MainPanel::MainPanel(wxWindow* parent) : wxPanel(parent) { startLabel = new wxStaticText(this, -1, "Start Time:", wxPoint(75, 35)); start = new wxTextCtrl(this, -1, "", wxPoint(135, 35), wxSize(40, 21)); endLabel = new wxStaticText(this, -1, "End Time:", wxPoint(200, 35)); end = new wxTextCtrl(this, -1, "", wxPoint(260, 35), wxSize(40, 21)); pCLabel = new wxStaticText(this, -1, "Percent Change:", wxPoint(170, 85)); pC = new wxTextCtrl(this, -1, "", wxPoint(260, 85), wxSize(40, 21)); newEndLabel = new wxStaticText(this, -1, "New End Time:", wxPoint(180, 130)); newEnd = new wxTextCtrl(this, -1, "", wxPoint(260, 130), wxSize(40, 21)); compute = new wxButton(this, BUTTON_COMPUTE, "Compute", wxPoint(135, 185), wxSize(75, 35)); clear = new wxButton(this, BUTTON_CLEAR, "Clear", wxPoint(230, 185), wxSize(75, 35)); } MainPanel::~MainPanel() {} MainFrame::MainFrame(const wxString& title, const wxPoint& pos, const wxSize& size) : wxFrame( NULL, -1, title, pos, size ) { mainPanel = new MainPanel(this); wxMenu *menuFile = new wxMenu; menuFile->Append( ID_About, _("&About...") ); menuFile->AppendSeparator(); menuFile->Append( ID_Quit, _("E&xit") ); wxMenuBar *menuBar = new wxMenuBar; menuBar->Append( menuFile, _("&File") ); SetMenuBar( menuBar ); CreateStatusBar(); SetStatusText( _("Hi") ); } MainFrame::~MainFrame() {} void MainFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) { Close(TRUE); } void MainFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) { wxMessageBox( _("Alex Olson\nProject 11"), _("About"), wxOK | wxICON_INFORMATION, this); } void MainPanel::OnCompute(wxCommandEvent& WXUNUSED(event)) { int startT; int endT; int newEndT; double tD; wxString startTString = start->GetValue(); wxString endTString = end->GetValue(); startT = wxAtoi(startTString); endT = wxAtoi(endTString); pC->GetValue().ToDouble(&tD); first.SetStartTime(startT); first.SetEndTime(endT); first.SetTimeDiff(tD); try { first.ValidateData(); newEndT = first.ComputeEndTime(); *newEnd << newEndT; } catch (BaseException& e) { wxMessageBox(_(e.GetMessage()), _("Something Went Wrong!"), wxOK | wxICON_INFORMATION, this); } } void MainPanel::OnClear(wxCommandEvent& WXUNUSED(event)) { start->Clear(); end->Clear(); pC->Clear(); newEnd->Clear(); }

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  • Elusive race condition in Java

    - by nasufara
    I am creating a graphing calculator. In an attempt to squeeze some more performance out of it, I added some multithreaded to the line calculator. Essentially what my current implementation does is construct a thread-safe Queue of X values, then start however many threads it needs, each one calculating a point on the line using the queue to get its values, and then ordering the points using a HashMap when the calculations are done. This implementation works great, and that's not where my race condition is (merely some background info). In examining the performance results from this, I found that the HashMap is a performance bottleneck, since I do that synchronously on one thread. So I figured that ordering each point as its calculated would work best. I tried a PriorityQueue, but that was slower than the HashMap. I ended up creating an algorithm that essentially works like this: I construct a list of X values to calculate, like in my current algorithm. I then copy that list of values into another class, unimaginatively and temporarily named BlockingList, which is responsible for ordering the points as they are calculated. BlockingList contains a put() method, which takes in two BigDecimals as parameters, the first the X value, the second the calculated Y value. put() will only accept a value if the X value is the next one on the list to be accepted in the list of X values, and will block until another thread gives it the next excepted value. For example, since that can be confusing, say I have two threads, Thread-1 and Thread-2. Thread-2 gets the X value 10.0 from the values queue, and Thread-1 gets 9.0. However, Thread-1 completes its calculations first, and calls put() before Thread-2 does. Because BlockingList is expecting to get 10.0 first, and not 9.0, it will block on Thread-1 until Thread-2 finishes and calls put(). Once Thread-2 gives BlockingList 10.0, it notify()s all waiting threads, and expects 9.0 next. This continues until BlockingList gets all of its expected values. (I apologise if that was hard to follow, if you need more clarification, just ask.) As expected by the question title, there is a race condition in here. If I run it without any System.out.printlns, it will sometimes lock because of conflicting wait() and notifyAll()s, but if I put a println in, it will run great. A small implementation of this is included below, and exhibits the same behavior: import java.math.BigDecimal; import java.util.concurrent.ConcurrentLinkedQueue; public class Example { public static void main(String[] args) throws InterruptedException { // Various scaling values, determined based on the graph size // in the real implementation BigDecimal xMax = new BigDecimal(10); BigDecimal xStep = new BigDecimal(0.05); // Construct the values list, from -10 to 10 final ConcurrentLinkedQueue<BigDecimal> values = new ConcurrentLinkedQueue<BigDecimal>(); for (BigDecimal i = new BigDecimal(-10); i.compareTo(xMax) <= 0; i = i.add(xStep)) { values.add(i); } // Contains the calculated values final BlockingList list = new BlockingList(values); for (int i = 0; i < 4; i++) { new Thread() { public void run() { BigDecimal x; // Keep looping until there are no more values while ((x = values.poll()) != null) { PointPair pair = new PointPair(); pair.realX = x; try { list.put(pair); } catch (Exception ex) { ex.printStackTrace(); } } } }.start(); } } private static class PointPair { public BigDecimal realX; } private static class BlockingList { private final ConcurrentLinkedQueue<BigDecimal> _values; private final ConcurrentLinkedQueue<PointPair> _list = new ConcurrentLinkedQueue<PointPair>(); public BlockingList(ConcurrentLinkedQueue<BigDecimal> expectedValues) throws InterruptedException { // Copy the values into a new queue BigDecimal[] arr = expectedValues.toArray(new BigDecimal[0]); _values = new ConcurrentLinkedQueue<BigDecimal>(); for (BigDecimal dec : arr) { _values.add(dec); } } public void put(PointPair item) throws InterruptedException { while (item.realX.compareTo(_values.peek()) != 0) { synchronized (this) { // Block until someone enters the next desired value wait(); } } _list.add(item); _values.poll(); synchronized (this) { notifyAll(); } } } } My question is can anybody help me find the threading error? Thanks!

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  • "Randomly" occurring errors...

    - by ClarkeyBoy
    Hi, My website has a setup whereby when the application starts a module called SiteContent is "created". This runs a clearup function which basically deletes any irrelevant data from the database, in case any has been left in there from previously run functions. The module has instances of Manager classes - namely RangeManager, CollectionManager, DesignManager. There are others but I will just use these as an example. Each Manager class contains an array of items - items may be of type Range, Collection or Design, whichever one is relevant. Data for each range is then read into an instance of Range, Collection or Design. I know this is basically duplicating data - not very efficient but its my final year project at the moment so I can always change it to use Linq or something similar later, when I am not pressured by the one month deadline. I have a form which, on clicking the Save button, saves data by calling SiteContent.RangeManager.Create(vars) or SiteContent.RangeManager.Update(Range As Range, vars) (or the equivalent for other manager classes, whichever one happens to be relevant). These functions call a stored procedure to insert or update in the relevant table. Classes Range, Collection and Design all have attributes such as Name, Description, Display and several others. When the Create or Update function is called, the Manager loops through all the other items to check if an item with the same name already exists. The Update function ensures that it does not compare the item being updated to itself. A custom exception (ItemAlreadyExistsException) is thrown if another item with the same name is found. For some weird reason, if I go into a Range, Collection or Design in edit mode, change something and try to update it, it occasionally doesnt update the item. When I say occasionally I mean every 3 - 4 page loads, sometimes more. I see absolutely no pattern in when or why it occurs. I have a try-catch statement which catches ItemAlreadyExistsException, and outputs "An item with this name already exists" when caught. Occasionally it will output this; other times it will not. Does anyone have any idea why this could happen? Maybe a mistake which someone has made and solved before? I used to have regular expressions in place that the names were compared to - I believe it was [a-zA-Z]{1, 100} (between 1 and 100 lower- or upper-case characters). For some reason the customer who I am developing the site for used to get errors saying its not in the correct format. Yet he could try the same text 5 minutes later and it would work fine. I am thinking this could well be the same problem, since both problems occur at random. Many thanks in advance. Regards, Richard Clarke Edit: After much time spent narrowing down the code, I have decided to wait till my brother, who has been a programmer for at least 8 years more than I have, to come down over Easter and get him to have a look at it. If he cant solve it then I will zip the files up and put them somewhere for people to access and have a go at. I narrowed it down literally to the minimum number of files possible, and it still occurs. It seems to be about every 10th time. Having said that, I force the manager classes to refresh every 10 page loads or 5 minutes (whichever one is sooner). I may look into this - this could be causing a problem. Basically each Manager contains an array of an object. This array is populated using data from the database. The Update function takes an instance of the item and the new values to be set for the object. If it happens to be a page load where the array is reset (ie the data is loaded freshly from the database) then the object instance with the same ID wont be the same instance as the one being passed in. This explains the fact that it throws an ItemAlreadyExistsException now and then. It all makes sense now the more I think about it. If I were to pass in the ID of the object to be altered, rather than the object itself, then it should work perfectly. I will answer the question if I solve it..

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  • ExpressionEngine Segment Variables Lost on Site Index Page

    - by Jesse Bunch
    Hey Everyone, I've been messing with this for days now and can't seem to figure it out. I am trying to pass a 2nd segment variable to my client's index page. The URL I'm trying is: http://www.compupay.com/site/CSCPA/. The problem is, rather than showing the site's index page with the segment variable of "CSCPA" still in the URL, it shows the index page with no segment variables. Initially, I thought it was a .htaccess problem but I couldn't find anything in it that seemed out of whack. Any ideas? I am posting the .htaccess file so another pair of eyes can see it. Thanks for the help! # -- LG .htaccess Generator Start -- # .htaccess generated by LG .htaccess Generator v1.0.0 # http://leevigraham.com/cms-customisation/expressionengine/addon/lg-htaccess-generator/ # secure .htaccess file <Files .htaccess> order allow,deny deny from all </Files> # Dont list files in index pages IndexIgnore * #URL Segment Support AcceptPathInfo On Options +FollowSymLinks #Redirect old incoming links Redirect 301 /contactus.cfm http://www.compupay.com/about_compupay/contact_us/ Redirect 301 /Internet_Payroll.cfm http://www.compupay.com/payroll_solutions/c/online_payroll/ Redirect 301 /Internet_Payroll_XpressPayroll.cfm http://www.compupay.com/payroll_solutions/xpresspayroll/ Redirect 301 /about_compupay.cfm http://www.compupay.com/about_compupay/news/ Redirect 301 /after_payroll.cfm http://www.compupay.com/after_payroll_solutions/ Redirect 301 /news101507.cfm http://www.compupay.com/about_compupay/news/ Redirect 301 /quote.cfm http://www.compupay.com/payroll_solutions/get_a_free_quote/ Redirect 301 /solution_finder_sm.cfm http://www.compupay.com/ Redirect 301 /state_payroll/mississippi_payroll.cfm http://www.compupay.com/resource_center/state_resources/ Redirect 301 /state_payroll/washington_payroll.cfm http://www.compupay.com/resource_center/state_resources/ #Redirect for old top linked to pages Redirect 301 /Payroll_Services.cfm http://www.compupay.com/payroll_solutions/ Redirect 301 /About_CompuPay.cfm http://www.compupay.com/about_compupay/ Redirect 301 /Partnerships.cfm http://www.compupay.com/business_partner_solutions/ Redirect 301 /about_compupay.cfm?subpage=393 http://www.compupay.com/about_compupay/ Redirect 301 /quote.cfm http://www.compupay.com/payroll_solutions/get_a_free_quote/ Redirect 301 /After_Payroll.cfm http://www.compupay.com/after_payroll_solutions/ Redirect 301 /Accountant_Services.cfm http://www.compupay.com/accountant_solutions/ Redirect 301 /careers/careers_payroll.cfm http://www.compupay.com/about_compupay/careers/ Redirect 301 /Industry_Resources.cfm http://www.compupay.com/resource_center/ Redirect 301 /Client_Resources.cfm http://www.compupay.com/resource_center/client_login/ Redirect 301 /client_resources.cfm?subpage=375 http://www.compupay.com/resource_center/client_login/ Redirect 301 /solution_finder_sm.cfm http://www.compupay.com/payroll_solutions/ Redirect 301 /Internet_Payroll_PowerPayroll.cfm http://www.compupay.com/payroll_solutions/powerpayroll/ Redirect 301 /Payroll_Outsourcing.cfm http://www.compupay.com/payroll_solutions/why_outsource/ Redirect 301 /Phone_Payroll_Fax_Payroll.cfm http://www.compupay.com/payroll_solutions/phone_fax_payroll/ Redirect 301 /contactus.cfm http://www.compupay.com/about_compupay/contact_us/ Redirect 301 /state_payroll/iowa_payroll.cfm http://www.compupay.com/resource_center/state_resources/ Redirect 301 /Construction_Payroll.cfm http://www.compupay.com/payroll_solutions/specialty_payroll/ Redirect 301 /PC_Payroll.cfm http://www.compupay.com/payroll_solutions/c/pc_payroll/ Redirect 301 /state_payroll/washington_payroll.cfm http://www.compupay.com/resource_center/state_resources/ Redirect 301 /Internet_Payroll_XpressPayroll.cfm http://www.compupay.com/payroll_solutions/xpresspayroll/ Redirect 301 /accountant_services.cfm?subpage=404 http://www.compupay.com/accountant_solutions/ Redirect 301 /after_payroll.cfm http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=361 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=362 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=363 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=364 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=365 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=366 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=367 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=368 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=369 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=416 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /payload_payroll.cfm http://www.compupay.com/payroll_solutions/payload/ Redirect 301 /payroll_services.cfm?subpage=358 http://www.compupay.com/payroll_solutions/ Redirect 301 /payroll_services.cfm?subpage=399 http://www.compupay.com/payroll_solutions/ Redirect 301 /payroll_services.cfm?subpage=409 http://www.compupay.com/payroll_solutions/ Redirect 301 /payroll_services.cfm?subpage=413 http://www.compupay.com/payroll_solutions/ Redirect 301 /payroll_services.cfm?subpage=418 http://www.compupay.com/payroll_solutions/ Redirect 301 /state_payroll/mississippi_payroll.cfm http://www.compupay.com/resource_center/state_resources/ <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / # Remove the www # RewriteCond %{HTTP_HOST} ^www\.(.+)$ [NC] # RewriteRule ^ http://%{HTTP_HOST}%{REQUEST_URI} [L,R=301] # Force www RewriteCond %{HTTP_HOST} !^www.compupay.com$ [NC] RewriteRule ^(.*)$ http://www.compupay.com/$1 [R=301,L] # Add a trailing slash to paths without an extension RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_URI} !(\.[a-zA-Z0-9]{1,5}|/)$ RewriteRule ^(.*)$ $1/ [L,R=301] #Legacy Partner Link Redirect RewriteCond %{QUERY_STRING} partnerCode=(.*) [NC] RewriteRule compupay_payroll.cfm site/%1? [R=301,L] # Catch any remaining requests for .cfm files RewriteCond %{REQUEST_URI} \.cfm RewriteRule ^.*$ http://www.compupay.com/ [R=301,L] #Expression Engine RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ /index.php?/$1 [L] AcceptPathInfo On </IfModule> # Remove IE image toolbar <FilesMatch "\.(html|htm|php)$"> Header set imagetoolbar "no" </FilesMatch> # enable gzip compression <FilesMatch "\.(js|css|php)$"> SetOutputFilter DEFLATE </FilesMatch> #Deal with ETag <IfModule mod_headers.c> <FilesMatch "\.(ico|flv|jpg|jpeg|png|gif)$"> Header unset Last-Modified </FilesMatch> <FilesMatch "\.(ico|flv|jpg|jpeg|png|gif|js|css|swf)$"> Header unset ETag FileETag None Header set Cache-Control "public" </FilesMatch> </IfModule> <IfModule mod_expires.c> <FilesMatch "\.(ico|flv|jpg|jpeg|png|gif|css|js)$"> ExpiresActive on ExpiresDefault "access plus 1 year" </FilesMatch> </IfModule> #Force Download PDFs <FilesMatch "\.(?i:pdf)$"> ForceType application/octet-stream Header set Content-Disposition attachment </FilesMatch> #Increase Upload Size php_value upload_max_filesize 5M php_value post_max_size 5M # -- LG .htaccess Generator End --

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  • problem with my texture coordinates on a square.

    - by Evan Kimia
    Im very new to OpenGL ES, and have been doing a tutorial to build a square. The square is made, and now im trying to map a 256 by 256 image onto it. The problem is, im only seeing a very zoomed in portion of this bitmap; Im fairly certain my texture coords are whats wrong here. Thanks! package se.jayway.opengl.tutorial; import java.io.IOException; import java.io.InputStream; import java.nio.ByteBuffer; import java.nio.ByteOrder; import java.nio.FloatBuffer; import java.nio.ShortBuffer; import javax.microedition.khronos.opengles.GL10; import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.opengl.GLUtils; public class Square { // Our vertices. private float vertices[] = { -1.0f, 1.0f, 0.0f, // 0, Top Left -1.0f, -1.0f, 0.0f, // 1, Bottom Left 1.0f, -1.0f, 0.0f, // 2, Bottom Right 1.0f, 1.0f, 0.0f, // 3, Top Right }; //Our texture. private float texture[] = { 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, }; // The order we like to connect them. private short[] indices = { 0, 1, 2, 0, 2, 3 }; // Our vertex buffer. private FloatBuffer vertexBuffer; // Our index buffer. private ShortBuffer indexBuffer; //texture buffer. private FloatBuffer textureBuffer; //Our texture pointer. private int[] textures = new int[1]; public Square() { // a float is 4 bytes, therefore we multiply the number if // vertices with 4. ByteBuffer vbb = ByteBuffer.allocateDirect(vertices.length * 4); vbb.order(ByteOrder.nativeOrder()); vertexBuffer = vbb.asFloatBuffer(); vertexBuffer.put(vertices); vertexBuffer.position(0); // a float is 4 bytes, therefore we multiply the number of // vertices with 4. ByteBuffer tbb = ByteBuffer.allocateDirect(texture.length * 4); vbb.order(ByteOrder.nativeOrder()); textureBuffer = tbb.asFloatBuffer(); textureBuffer.put(texture); textureBuffer.position(0); // short is 2 bytes, therefore we multiply the number if // vertices with 2. ByteBuffer ibb = ByteBuffer.allocateDirect(indices.length * 2); ibb.order(ByteOrder.nativeOrder()); indexBuffer = ibb.asShortBuffer(); indexBuffer.put(indices); indexBuffer.position(0); } /** * This function draws our square on screen. * @param gl */ public void draw(GL10 gl) { // Counter-clockwise winding. gl.glFrontFace(GL10.GL_CCW); // Enable face culling. gl.glEnable(GL10.GL_CULL_FACE); // What faces to remove with the face culling. gl.glCullFace(GL10.GL_BACK); //Bind our only previously generated texture in this case gl.glBindTexture(GL10.GL_TEXTURE_2D, textures[0]); // Enabled the vertices buffer for writing and to be used during // rendering. gl.glEnableClientState(GL10.GL_VERTEX_ARRAY); //Enable texture buffer array gl.glEnableClientState(GL10.GL_TEXTURE_COORD_ARRAY); // Specifies the location and data format of an array of vertex // coordinates to use when rendering. gl.glVertexPointer(3, GL10.GL_FLOAT, 0, vertexBuffer); gl.glTexCoordPointer(2, GL10.GL_FLOAT, 0, textureBuffer); gl.glDrawElements(GL10.GL_TRIANGLES, indices.length, GL10.GL_UNSIGNED_SHORT, indexBuffer); // Disable the vertices buffer. gl.glDisableClientState(GL10.GL_VERTEX_ARRAY); //Disable the texture buffer. gl.glDisableClientState(GL10.GL_TEXTURE_COORD_ARRAY); // Disable face culling. gl.glDisable(GL10.GL_CULL_FACE); } /** * Load the textures * * @param gl - The GL Context * @param context - The Activity context */ public void loadGLTexture(GL10 gl, Context context) { //Get the texture from the Android resource directory InputStream is = context.getResources().openRawResource(R.drawable.test); Bitmap bitmap = null; try { //BitmapFactory is an Android graphics utility for images bitmap = BitmapFactory.decodeStream(is); } finally { //Always clear and close try { is.close(); is = null; } catch (IOException e) { } } //Generate one texture pointer... gl.glGenTextures(1, textures, 0); //...and bind it to our array gl.glBindTexture(GL10.GL_TEXTURE_2D, textures[0]); //Create Nearest Filtered Texture gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_NEAREST); gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_LINEAR); //Different possible texture parameters, e.g. GL10.GL_CLAMP_TO_EDGE gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_S, GL10.GL_REPEAT); gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T, GL10.GL_REPEAT); //Use the Android GLUtils to specify a two-dimensional texture image from our bitmap GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, bitmap, 0); //Clean up bitmap.recycle(); } }

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  • Injection with google guice does not work anymore after obfuscation with proguard

    - by sme
    Has anyone ever tried to combine the use of google guice with obfuscation (in particular proguard)? The obfuscated version of my code does not work with google guice as guice complains about missing type parameters. This information seems to be erased by the transformation step that proguard does, even when the relevant classes are excluded from the obfuscation. The stack trace looks like this: com.google.inject.CreationException: Guice creation errors: 1) Cannot inject a Provider that has no type parameter while locating com.google.inject.Provider for parameter 0 at de.repower.lvs.client.admin.user.administration.AdminUserCommonPanel.setPasswordPanelProvider(SourceFile:499) at de.repower.lvs.client.admin.user.administration.AdminUserCommonPanel.setPasswordPanelProvider(SourceFile:499) while locating de.repower.lvs.client.admin.user.administration.AdminUserCommonPanel for parameter 0 at de.repower.lvs.client.admin.user.administration.b.k.setParentPanel(SourceFile:65) at de.repower.lvs.client.admin.user.administration.b.k.setParentPanel(SourceFile:65) at de.repower.lvs.client.admin.user.administration.o.a(SourceFile:38) 2) Cannot inject a Provider that has no type parameter while locating com.google.inject.Provider for parameter 0 at de.repower.lvs.client.admin.user.administration.AdminUserCommonPanel.setWindTurbineAccessGroupProvider(SourceFile:509) at de.repower.lvs.client.admin.user.administration.AdminUserCommonPanel.setWindTurbineAccessGroupProvider(SourceFile:509) while locating de.repower.lvs.client.admin.user.administration.AdminUserCommonPanel for parameter 0 at de.repower.lvs.client.admin.user.administration.b.k.setParentPanel(SourceFile:65) at de.repower.lvs.client.admin.user.administration.b.k.setParentPanel(SourceFile:65) at de.repower.lvs.client.admin.user.administration.o.a(SourceFile:38) 2 errors at com.google.inject.internal.Errors.throwCreationExceptionIfErrorsExist(Errors.java:354) at com.google.inject.InjectorBuilder.initializeStatically(InjectorBuilder.java:152) at com.google.inject.InjectorBuilder.build(InjectorBuilder.java:105) at com.google.inject.Guice.createInjector(Guice.java:92) at com.google.inject.Guice.createInjector(Guice.java:69) at com.google.inject.Guice.createInjector(Guice.java:59) I tried to create a small example (without using guice) that seems to reproduce the problem: package de.repower.common; import java.lang.reflect.Method; import java.lang.reflect.ParameterizedType; import java.lang.reflect.Type; class SomeClass<S> { } public class ParameterizedTypeTest { public void someMethod(SomeClass<Integer> param) { System.out.println("value: " + param); System.setProperty("my.dummmy.property", "hallo"); } private static void checkParameterizedMethod(ParameterizedTypeTest testObject) { System.out.println("checking parameterized method ..."); Method[] methods = testObject.getClass().getMethods(); for (Method method : methods) { if (method.getName().equals("someMethod")) { System.out.println("Found method " + method.getName()); Type[] types = method.getGenericParameterTypes(); Type parameterType = types[0]; if (parameterType instanceof ParameterizedType) { Type parameterizedType = ((ParameterizedType) parameterType).getActualTypeArguments()[0]; System.out.println("Parameter: " + parameterizedType); System.out.println("Class: " + ((Class) parameterizedType).getName()); } else { System.out.println("Failed: type ist not instance of ParameterizedType"); } } } } public static void main(String[] args) { System.out.println("Starting ..."); try { ParameterizedTypeTest someInstance = new ParameterizedTypeTest(); checkParameterizedMethod(someInstance); } catch (SecurityException e) { e.printStackTrace(); } } } If you run this code unsbfuscated, the output looks like this: Starting ... checking parameterized method ... Found method someMethod Parameter: class java.lang.Integer Class: java.lang.Integer But running the version obfuscated with proguard yields: Starting ... checking parameterized method ... Found method someMethod Failed: type ist not instance of ParameterizedType These are the options I used for obfuscation: -injars classes_eclipse\methodTest.jar -outjars classes_eclipse\methodTestObfuscated.jar -libraryjars 'C:\Program Files\Java\jre6\lib\rt.jar' -dontskipnonpubliclibraryclasses -dontskipnonpubliclibraryclassmembers -dontshrink -printusage classes_eclipse\shrink.txt -dontoptimize -dontpreverify -verbose -keep class **.ParameterizedTypeTest.class { <fields>; <methods>; } -keep class ** { <fields>; <methods>; } # Keep - Applications. Keep all application classes, along with their 'main' # methods. -keepclasseswithmembers public class * { public static void main(java.lang.String[]); } # Also keep - Enumerations. Keep the special static methods that are required in # enumeration classes. -keepclassmembers enum * { public static **[] values(); public static ** valueOf(java.lang.String); } # Also keep - Database drivers. Keep all implementations of java.sql.Driver. -keep class * extends java.sql.Driver # Also keep - Swing UI L&F. Keep all extensions of javax.swing.plaf.ComponentUI, # along with the special 'createUI' method. -keep class * extends javax.swing.plaf.ComponentUI { public static javax.swing.plaf.ComponentUI createUI(javax.swing.JComponent); } # Keep names - Native method names. Keep all native class/method names. -keepclasseswithmembers,allowshrinking class * { native <methods>; } # Keep names - _class method names. Keep all .class method names. This may be # useful for libraries that will be obfuscated again with different obfuscators. -keepclassmembers,allowshrinking class * { java.lang.Class class$(java.lang.String); java.lang.Class class$(java.lang.String,boolean); } Does anyone have an idea of how to solve this (apart from the obvious workaround to put the relevant files into a seperate jar and not obfuscate it)? Best regards, Stefan

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  • Issue with WIC image resizing on ASP.NET MVC 2

    - by Dave
    I am attempting to implement image resizing on user uploads in ASP.NET MVC 2 using a version of the method found: here on asp.net. This works great on my dev machine, but as soon as I put it on my production machine, I start getting the error 'Exception from HRESULT: 0x88982F60' which is supposed to mean that there is an issue decoding the image. However, when I use WICExplorer to open the image, it looks ok. I've also tried this with dozens of images of various sources and still get the error (though possible, I doubt all of them are corrupted). Here is the relevant code (with my debugging statements in there): MVC Controller [Authorize, HttpPost] public ActionResult Upload(string file) { //Check file extension string fx = file.Substring(file.LastIndexOf('.')).ToLowerInvariant(); string key; if (ConfigurationManager.AppSettings["ImageExtensions"].Contains(fx)) { key = Guid.NewGuid().ToString() + fx; } else { return Json("extension not found"); } //Check file size if (Request.ContentLength <= Convert.ToInt32(ConfigurationManager.AppSettings["MinImageSize"]) || Request.ContentLength >= Convert.ToInt32(ConfigurationManager.AppSettings["MaxImageSize"])) { return Json("content length out of bounds: " + Request.ContentLength); } ImageResizerResult irr, irr2; //Check if this image is coming from FF, Chrome or Safari (XHR) HttpPostedFileBase hpf = null; if (Request.Files.Count <= 0) { //Scale and encode image and thumbnail irr = ImageResizer.CreateMaxSizeImage(Request.InputStream); irr2 = ImageResizer.CreateThumbnail(Request.InputStream); } //Or IE else { hpf = Request.Files[0] as HttpPostedFileBase; if (hpf.ContentLength == 0) return Json("hpf.length = 0"); //Scale and encode image and thumbnail irr = ImageResizer.CreateMaxSizeImage(hpf.InputStream); irr2 = ImageResizer.CreateThumbnail(hpf.InputStream); } //Check if image and thumbnail encoded and scaled correctly if (irr == null || irr.output == null || irr2 == null || irr2.output == null) { if (irr != null && irr.output != null) irr.output.Dispose(); if (irr2 != null && irr2.output != null) irr2.output.Dispose(); if(irr == null) return Json("irr null"); if (irr2 == null) return Json("irr2 null"); if (irr.output == null) return Json("irr.output null. irr.error = " + irr.error); if (irr2.output == null) return Json("irr2.output null. irr2.error = " + irr2.error); } if (irr.output.Length > Convert.ToInt32(ConfigurationManager.AppSettings["MaxImageSize"]) || irr2.output.Length > Convert.ToInt32(ConfigurationManager.AppSettings["MaxImageSize"])) { if(irr.output.Length > Convert.ToInt32(ConfigurationManager.AppSettings["MaxImageSize"])) return Json("irr.output.Length > maximage size. irr.output.Length = " + irr.output.Length + ", irr.error = " + irr.error); return Json("irr2.output.Length > maximage size. irr2.output.Length = " + irr2.output.Length + ", irr2.error = " + irr2.error); } //Store scaled and encoded image and thumbnail .... return Json("success"); } The code is always failing when checking if the output stream is null (i.e. irr.output == null is true). ImageResizerResult and ImageResizer public class ImageResizerResult : IDisposable { public MemoryIStream output; public int width; public int height; public string error; public void Dispose() { output.Dispose(); } } public static class ImageResizer { private static Object thislock = new Object(); public static ImageResizerResult CreateMaxSizeImage(Stream input) { uint maxSize = Convert.ToUInt32(ConfigurationManager.AppSettings["MaxImageDimension"]); try { lock (thislock) { // Read the source image var photo = ByteArrayFromStream(input); var factory = (IWICComponentFactory)new WICImagingFactory(); var inputStream = factory.CreateStream(); inputStream.InitializeFromMemory(photo, (uint)photo.Length); var decoder = factory.CreateDecoderFromStream(inputStream, null, WICDecodeOptions.WICDecodeMetadataCacheOnDemand); var frame = decoder.GetFrame(0); // Compute target size uint width, height, outWidth, outHeight; frame.GetSize(out width, out height); if (width > height) { //Check if width is greater than maxSize if (width > maxSize) { outWidth = maxSize; outHeight = height * maxSize / width; } //Width is less than maxSize, so use existing dimensions else { outWidth = width; outHeight = height; } } else { //Check if height is greater than maxSize if (height > maxSize) { outWidth = width * maxSize / height; outHeight = maxSize; } //Height is less than maxSize, so use existing dimensions else { outWidth = width; outHeight = height; } } // Prepare output stream to cache file var outputStream = new MemoryIStream(); // Prepare JPG encoder var encoder = factory.CreateEncoder(Consts.GUID_ContainerFormatJpeg, null); encoder.Initialize(outputStream, WICBitmapEncoderCacheOption.WICBitmapEncoderNoCache); // Prepare output frame IWICBitmapFrameEncode outputFrame; var arg = new IPropertyBag2[1]; encoder.CreateNewFrame(out outputFrame, arg); var propBag = arg[0]; var propertyBagOption = new PROPBAG2[1]; propertyBagOption[0].pstrName = "ImageQuality"; propBag.Write(1, propertyBagOption, new object[] { 0.85F }); outputFrame.Initialize(propBag); outputFrame.SetResolution(96, 96); outputFrame.SetSize(outWidth, outHeight); // Prepare scaler var scaler = factory.CreateBitmapScaler(); scaler.Initialize(frame, outWidth, outHeight, WICBitmapInterpolationMode.WICBitmapInterpolationModeFant); // Write the scaled source to the output frame outputFrame.WriteSource(scaler, new WICRect { X = 0, Y = 0, Width = (int)outWidth, Height = (int)outHeight }); outputFrame.Commit(); encoder.Commit(); return new ImageResizerResult { output = outputStream, height = (int)outHeight, width = (int)outWidth }; } } catch (Exception e) { return new ImageResizerResult { error = "Create maxsizeimage = " + e.Message }; } } } Thoughts on where this is going wrong? Thanks in advance for the effort.

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  • LazyInitializationException when adding to a list that is held within a entity class using hibernate

    - by molleman
    Right so i am working with hibernate gilead and gwt to persist my data on users and files of a website. my users have a list of file locations. i am using annotations to map my classes to the database. i am getting a org.hibernate.LazyInitializationException when i try to add file locations to the list that is held in the user class. this is a method below that is overridden from a external file upload servlet class that i am using. when the file uploads it calls this method. the user1 is loaded from the database elsewhere. the exception occurs at user1.getFileLocations().add(fileLocation); . i dont understand it really at all.! any help would be great. the stack trace of the error is below public String executeAction(HttpServletRequest request, List<FileItem> sessionFiles) throws UploadActionException { for (FileItem item : sessionFiles) { if (false == item.isFormField()) { try { YFUser user1 = (YFUser)getSession().getAttribute(SESSION_USER); // This is the location where a file will be stored String fileLocationString = "/Users/Stefano/Desktop/UploadedFiles/" + user1.getUsername(); File fl = new File(fileLocationString); fl.mkdir(); // so here i will create the a file container for my uploaded file File file = File.createTempFile("upload-", ".bin",fl); // this is where the file is written to disk item.write(file); // the FileLocation object is then created FileLocation fileLocation = new FileLocation(); fileLocation.setLocation(fileLocationString); //test System.out.println("file path = "+file.getPath()); user1.getFileLocations().add(fileLocation); //the line above is where the exception occurs } catch (Exception e) { throw new UploadActionException(e.getMessage()); } } removeSessionFileItems(request); } return null; } //This is the class file for a Your Files User @Entity @Table(name = "yf_user_table") public class YFUser implements Serializable,ILightEntity { @Id @GeneratedValue(strategy = GenerationType.AUTO) @Column(name = "user_id",nullable = false) private int userId; @Column(name = "username") private String username; @Column(name = "password") private String password; @Column(name = "email") private String email; @ManyToMany(cascade = CascadeType.ALL) @JoinTable(name = "USER_FILELOCATION", joinColumns = { @JoinColumn(name = "user_id") }, inverseJoinColumns = { @JoinColumn(name = "locationId") }) private List<FileLocation> fileLocations = new ArrayList<FileLocation>() ; public YFUser(){ } public int getUserId() { return userId; } private void setUserId(int userId) { this.userId = userId; } public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } public List<FileLocation> getFileLocations() { if(fileLocations ==null){ fileLocations = new ArrayList<FileLocation>(); } return fileLocations; } public void setFileLocations(List<FileLocation> fileLocations) { this.fileLocations = fileLocations; } /* public void addFileLocation(FileLocation location){ fileLocations.add(location); }*/ @Override public void addProxyInformation(String property, Object proxyInfo) { // TODO Auto-generated method stub } @Override public String getDebugString() { // TODO Auto-generated method stub return null; } @Override public Object getProxyInformation(String property) { // TODO Auto-generated method stub return null; } @Override public boolean isInitialized(String property) { // TODO Auto-generated method stub return false; } @Override public void removeProxyInformation(String property) { // TODO Auto-generated method stub } @Override public void setInitialized(String property, boolean initialised) { // TODO Auto-generated method stub } @Override public Object getValue() { // TODO Auto-generated method stub return null; } } @Entity @Table(name = "fileLocationTable") public class FileLocation implements Serializable { @Id @GeneratedValue(strategy = GenerationType.AUTO) @Column(name = "locationId", updatable = false, nullable = false) private int ieId; @Column (name = "location") private String location; public FileLocation(){ } public int getIeId() { return ieId; } private void setIeId(int ieId) { this.ieId = ieId; } public String getLocation() { return location; } public void setLocation(String location) { this.location = location; } } Apr 2, 2010 11:33:12 PM org.hibernate.LazyInitializationException <init> SEVERE: failed to lazily initialize a collection of role: com.example.client.YFUser.fileLocations, no session or session was closed org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: com.example.client.YFUser.fileLocations, no session or session was closed at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:380) at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationExceptionIfNotConnected(AbstractPersistentCollection.java:372) at org.hibernate.collection.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:365) at org.hibernate.collection.AbstractPersistentCollection.write(AbstractPersistentCollection.java:205) at org.hibernate.collection.PersistentBag.add(PersistentBag.java:297) at com.example.server.TestServiceImpl.saveFileLocation(TestServiceImpl.java:132) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at net.sf.gilead.gwt.PersistentRemoteService.processCall(PersistentRemoteService.java:174) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:224) at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62) at javax.servlet.http.HttpServlet.service(HttpServlet.java:713) at javax.servlet.http.HttpServlet.service(HttpServlet.java:806) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:729) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:49) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:324) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:843) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:647) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:396) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488) Apr 2, 2010 11:33:12 PM net.sf.gilead.core.PersistentBeanManager clonePojo INFO: Third party instance, not cloned : org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: com.example.client.YFUser.fileLocations, no session or session was closed

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  • Event Handlers Not Getting Called? - wxWidgets & C++

    - by Alex
    Hello all, I'm working on a program for my C++ programming class, using wxWidgets. I'm having a huge problem in that my event handlers (I assume) are not getting called, because when I click on the button to trigger the event, nothing happens. My question is: Can you help me find the problem and explain why they would not be getting called? The event handlers OnAbout and OnQuit are working, just not OnCompute or OnClear. I'm really frustrated as I can't figure this out. Thanks a bunch in advance! #include "wx/wx.h" #include "time.h" #include <string> using std::string; // create object of Time class Time first; class App: public wxApp { virtual bool OnInit(); }; class MainPanel : public wxPanel { public: // Constructor for panel class // Constructs my panel class // Params - wxWindow pointer // no return type // pre-conditions: none // post-conditions: none MainPanel(wxWindow* parent); // OnCompute is the event handler for the Compute button // params - none // preconditions - none // postconditions - tasks will have been carried otu successfully // returns void void OnCompute(wxCommandEvent& WXUNUSED(event)); // OnClear is the event handler for the Clear button // params - none // preconditions - none // postconditions - all text areas will be cleared of data // returns void void OnClear(wxCommandEvent& WXUNUSED(event)); // Destructor for panel class // params none // preconditions - none // postconditions - none // no return type ~MainPanel( ); private: wxStaticText *startLabel; wxStaticText *endLabel; wxStaticText *pCLabel; wxStaticText *newEndLabel; wxTextCtrl *start; wxTextCtrl *end; wxTextCtrl *pC; wxTextCtrl *newEnd; wxButton *compute; wxButton *clear; DECLARE_EVENT_TABLE() }; class MainFrame: public wxFrame { private: wxPanel *mainPanel; public: MainFrame(const wxString& title, const wxPoint& pos, const wxSize& size); void OnQuit(wxCommandEvent& event); void OnAbout(wxCommandEvent& event); ~MainFrame(); DECLARE_EVENT_TABLE() }; enum { ID_Quit = 1, ID_About, BUTTON_COMPUTE = 100, BUTTON_CLEAR = 200 }; IMPLEMENT_APP(App) BEGIN_EVENT_TABLE(MainFrame, wxFrame) EVT_MENU(ID_Quit, MainFrame::OnQuit) EVT_MENU(ID_About, MainFrame::OnAbout) END_EVENT_TABLE() BEGIN_EVENT_TABLE(MainPanel, wxPanel) EVT_MENU(BUTTON_COMPUTE, MainPanel::OnCompute) EVT_MENU(BUTTON_CLEAR, MainPanel::OnClear) END_EVENT_TABLE() bool App::OnInit() { MainFrame *frame = new MainFrame( _("Good Guys Delivery Time Calculator"), wxPoint(50, 50), wxSize(450,340) ); frame->Show(true); SetTopWindow(frame); return true; } MainPanel::MainPanel(wxWindow* parent) : wxPanel(parent) { startLabel = new wxStaticText(this, -1, "Start Time:", wxPoint(75, 35)); start = new wxTextCtrl(this, -1, "", wxPoint(135, 35), wxSize(40, 21)); endLabel = new wxStaticText(this, -1, "End Time:", wxPoint(200, 35)); end = new wxTextCtrl(this, -1, "", wxPoint(260, 35), wxSize(40, 21)); pCLabel = new wxStaticText(this, -1, "Percent Change:", wxPoint(170, 85)); pC = new wxTextCtrl(this, -1, "", wxPoint(260, 85), wxSize(40, 21)); newEndLabel = new wxStaticText(this, -1, "New End Time:", wxPoint(180, 130)); newEnd = new wxTextCtrl(this, -1, "", wxPoint(260, 130), wxSize(40, 21)); compute = new wxButton(this, BUTTON_COMPUTE, "Compute", wxPoint(135, 185), wxSize(75, 35)); clear = new wxButton(this, BUTTON_CLEAR, "Clear", wxPoint(230, 185), wxSize(75, 35)); } MainPanel::~MainPanel() {} MainFrame::MainFrame(const wxString& title, const wxPoint& pos, const wxSize& size) : wxFrame( NULL, -1, title, pos, size ) { mainPanel = new MainPanel(this); wxMenu *menuFile = new wxMenu; menuFile->Append( ID_About, _("&About...") ); menuFile->AppendSeparator(); menuFile->Append( ID_Quit, _("E&xit") ); wxMenuBar *menuBar = new wxMenuBar; menuBar->Append( menuFile, _("&File") ); SetMenuBar( menuBar ); CreateStatusBar(); SetStatusText( _("Hi") ); } MainFrame::~MainFrame() {} void MainFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) { Close(TRUE); } void MainFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) { wxMessageBox( _("Alex Olson\nProject 11"), _("About"), wxOK | wxICON_INFORMATION, this); } void MainPanel::OnCompute(wxCommandEvent& WXUNUSED(event)) { int startT; int endT; int newEndT; double tD; wxString startTString = start->GetValue(); wxString endTString = end->GetValue(); startT = wxAtoi(startTString); endT = wxAtoi(endTString); pC->GetValue().ToDouble(&tD); first.SetStartTime(startT); first.SetEndTime(endT); first.SetTimeDiff(tD); try { first.ValidateData(); newEndT = first.ComputeEndTime(); *newEnd << newEndT; } catch (BaseException& e) { wxMessageBox(_(e.GetMessage()), _("Something Went Wrong!"), wxOK | wxICON_INFORMATION, this); } } void MainPanel::OnClear(wxCommandEvent& WXUNUSED(event)) { start->Clear(); end->Clear(); pC->Clear(); newEnd->Clear(); }

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  • C# WPF application is using too much memory while GC.GetTotalMemory() is low

    - by Dmitry
    I wrote little WPF application with 2 threads - main thread is GUI thread and another thread is worker. App has one WPF form with some controls. There is a button, allowing to select directory. After selecting directory, application scans for .jpg files in that directory and checks if their thumbnails are in hashtable. if they are, it does nothing. else it's adding their full filenames to queue for worker. Worker is taking filenames from this queue, loading JPEG images (using WPF's JpegBitmapDecoder and BitmapFrame), making thumbnails of them (using WPF's TransformedBitmap) and adding them to hashtable. Everything works fine, except memory consumption by this application when making thumbnails for big images (like 5000x5000 pixels). I've added textboxes on my form to show memory consumption (GC.GetTotalMemory() and Process.GetCurrentProcess().PrivateMemorySize64) and was very surprised, cuz GC.GetTotalMemory() stays close to 1-2 Mbytes, while private memory size constantly grows, especially when loading new image (~ +100Mb per image). Even after loading all images, making thumbnails of them and freeing original images, private memory size stays at ~700-800Mbytes. My VirtualBox is limited to 512Mb of physical memory and Windows in VirtualBox starts to swap alot to handle this huge memory consumption. I guess I'm doing something wrong, but I don't know how to investigate this problem, cuz according to GC, allocated memory size is very low. Attaching code of thumbnail loader class: class ThumbnailLoader { Hashtable thumbnails; Queue<string> taskqueue; EventWaitHandle wh; Thread[] workers; bool stop; object locker; int width, height, processed, added; public ThumbnailLoader() { int workercount,i; wh = new AutoResetEvent(false); thumbnails = new Hashtable(); taskqueue = new Queue<string>(); stop = false; locker = new object(); width = height = 64; processed = added = 0; workercount = Environment.ProcessorCount; workers=new Thread[workercount]; for (i = 0; i < workercount; i++) { workers[i] = new Thread(Worker); workers[i].IsBackground = true; workers[i].Priority = ThreadPriority.Highest; workers[i].Start(); } } public void SetThumbnailSize(int twidth, int theight) { width = twidth; height = theight; if (thumbnails.Count!=0) AddTask("#resethash"); } public void GetProgress(out int Added, out int Processed) { Added = added; Processed = processed; } private void AddTask(string filename) { lock(locker) { taskqueue.Enqueue(filename); wh.Set(); added++; } } private string NextTask() { lock(locker) { if (taskqueue.Count == 0) return null; else { processed++; return taskqueue.Dequeue(); } } } public static string FileNameToHash(string s) { return FormsAuthentication.HashPasswordForStoringInConfigFile(s, "MD5"); } public bool GetThumbnail(string filename,out BitmapFrame thumbnail) { string hash; hash = FileNameToHash(filename); if (thumbnails.ContainsKey(hash)) { thumbnail=(BitmapFrame)thumbnails[hash]; return true; } AddTask(filename); thumbnail = null; return false; } private BitmapFrame LoadThumbnail(string filename) { FileStream fs; JpegBitmapDecoder bd; BitmapFrame oldbf, bf; TransformedBitmap tb; double scale, dx, dy; fs = new FileStream(filename, FileMode.Open); bd = new JpegBitmapDecoder(fs, BitmapCreateOptions.None, BitmapCacheOption.OnLoad); oldbf = bd.Frames[0]; dx = (double)oldbf.Width / width; dy = (double)oldbf.Height / height; if (dx > dy) scale = 1 / dx; else scale = 1 / dy; tb = new TransformedBitmap(oldbf, new ScaleTransform(scale, scale)); bf = BitmapFrame.Create(tb); fs.Close(); oldbf = null; bd = null; GC.Collect(); return bf; } public void Dispose() { lock(locker) { stop = true; } AddTask(null); foreach (Thread worker in workers) { worker.Join(); } wh.Close(); } private void Worker() { string curtask,hash; while (!stop) { curtask = NextTask(); if (curtask == null) wh.WaitOne(); else { if (curtask == "#resethash") thumbnails.Clear(); else { hash = FileNameToHash(curtask); try { thumbnails[hash] = LoadThumbnail(curtask); } catch { thumbnails[hash] = null; } } } } } }

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  • What is the right tool to detect VMT or heap corruption in Delphi ?

    - by Roland Bengtsson
    I'm a member in a team that use Delphi 2007 for a larger application and we suspect heap corruption because sometimes there are strange bugs that have no other explanation. I believe that the Rangechecking option for the compiler is only for arrays. I want a tool that give an exception or log when there is a write on a memory address that is not allocated by the application. Regards EDIT: The error is of type: Error: Access violation at address 00404E78 in module 'BoatLogisticsAMCAttracsServer.exe'. Read of address FFFFFFDD EDIT2: Thanks for all suggestions. Unfortunately I think that the solution is deeper than that. We use a patched version of Bold for Delphi as we own the source. Probably there are some errors introduced in the Bold framwork. Yes we have a log with callstacks that are handled by JCL and also trace messages. So a callstack with the exception can lock like this: 20091210 16:02:29 (2356) [EXCEPTION] Raised EBold: Failed to derive ServerSession.mayDropSession: Boolean OCL expression: not active and not idle and timeout and (ApplicationKernel.allinstances->first.CurrentSession <> self) Error: Access violation at address 00404E78 in module 'BoatLogisticsAMCAttracsServer.exe'. Read of address FFFFFFDD. At Location BoldSystem.TBoldMember.CalculateDerivedMemberWithExpression (BoldSystem.pas:4016) Inner Exception Raised EBold: Failed to derive ServerSession.mayDropSession: Boolean OCL expression: not active and not idle and timeout and (ApplicationKernel.allinstances->first.CurrentSession <> self) Error: Access violation at address 00404E78 in module 'BoatLogisticsAMCAttracsServer.exe'. Read of address FFFFFFDD. At Location BoldSystem.TBoldMember.CalculateDerivedMemberWithExpression (BoldSystem.pas:4016) Inner Exception Call Stack: [00] System.TObject.InheritsFrom (sys\system.pas:9237) Call Stack: [00] BoldSystem.TBoldMember.CalculateDerivedMemberWithExpression (BoldSystem.pas:4016) [01] BoldSystem.TBoldMember.DeriveMember (BoldSystem.pas:3846) [02] BoldSystem.TBoldMemberDeriver.DoDeriveAndSubscribe (BoldSystem.pas:7491) [03] BoldDeriver.TBoldAbstractDeriver.DeriveAndSubscribe (BoldDeriver.pas:180) [04] BoldDeriver.TBoldAbstractDeriver.SetDeriverState (BoldDeriver.pas:262) [05] BoldDeriver.TBoldAbstractDeriver.Derive (BoldDeriver.pas:117) [06] BoldDeriver.TBoldAbstractDeriver.EnsureCurrent (BoldDeriver.pas:196) [07] BoldSystem.TBoldMember.EnsureContentsCurrent (BoldSystem.pas:4245) [08] BoldSystem.TBoldAttribute.EnsureNotNull (BoldSystem.pas:4813) [09] BoldAttributes.TBABoolean.GetAsBoolean (BoldAttributes.pas:3069) [10] BusinessClasses.TLogonSession._GetMayDropSession (code\BusinessClasses.pas:31854) [11] DMAttracsTimers.TAttracsTimerDataModule.RemoveDanglingLogonSessions (code\DMAttracsTimers.pas:237) [12] DMAttracsTimers.TAttracsTimerDataModule.UpdateServerTimeOnTimerTrig (code\DMAttracsTimers.pas:482) [13] DMAttracsTimers.TAttracsTimerDataModule.TimerKernelWork (code\DMAttracsTimers.pas:551) [14] DMAttracsTimers.TAttracsTimerDataModule.AttracsTimerTimer (code\DMAttracsTimers.pas:600) [15] ExtCtrls.TTimer.Timer (ExtCtrls.pas:2281) [16] Classes.StdWndProc (common\Classes.pas:11583) The inner exception part is the callstack at the moment an exception is reraised. EDIT3: The theory right now is that the Virtual Memory Table (VMT) is somehow broken. When this happen there is no indication of it. Only when a method is called an exception is raised (ALWAYS on address FFFFFFDD, -35 decimal) but then it is too late. You don't know the real cause for the error. Any hint of how to catch a bug like this is really appreciated!!! We have tried with SafeMM, but the problem is that the memory consumption is too high even when the 3 GB flag is used. So now I try to give a bounty to the SO community :) EDIT4: One hint is that according the log there is often (or even always) another exception before this. It can be for example optimistic locking in the database. We have tried to raise exceptions by force but in test environment it just works fine. EDIT5: Story continues... I did a search on the logs for the last 30 days now. The result: "Read of address FFFFFFDB" 0 "Read of address FFFFFFDC" 24 "Read of address FFFFFFDD" 270 "Read of address FFFFFFDE" 22 "Read of address FFFFFFDF" 7 "Read of address FFFFFFE0" 20 "Read of address FFFFFFE1" 0 So the current theory is that an enum (there is a lots in Bold) overwrite a pointer. I got 5 hits with different address above. It could mean that the enum holds 5 values where the second one is most used. If there is an exception a rollback should occur for the database and Boldobjects should be destroyed. Maybe there is a chance that not everything is destroyed and a enum still can write to an address location. If this is true maybe it is possible to search the code by a regexpr for an enum with 5 values ? EDIT6: To summarize, no there is no solution to the problem yet. I realize that I may mislead you a bit with the callstack. Yes there are a timer in that but there are other callstacks without a timer. Sorry for that. But there are 2 common factors. An exception with Read of address FFFFFFxx. Top of callstack is System.TObject.InheritsFrom (sys\system.pas:9237) This convince me that VilleK best describe the problem. I'm also convinced that the problem is somewhere in the Bold framework. But the BIG question is, how can problems like this be solved ? It is not enough to have an Assert like VilleK suggest as the damage has already happened and the callstack is gone at that moment. So to describe my view of what may cause the error: Somewhere a pointer is assigned a bad value 1, but it can be also 0, 2, 3 etc. An object is assigned to that pointer. There is method call in the objects baseclass. This cause method TObject.InheritsForm to be called and an exception appear on address FFFFFFDD. Those 3 events can be together in the code but they may also be used much later. I think this is true for the last method call. EDIT7: We work closely with the the author of Bold Jan Norden and he recently found a bug in the OCL-evaluator in Bold framework. When this was fixed these kinds of exceptions decreased a lot but they still occasionally come. But it is a big relief that this is almost solved.

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