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• Recommended (remote) backup technique for SQL Compact?

  - by Cool Jon

  Hello. Is there a generally recommended approach to backing up an SQL CE/SQLite database over the Internet? The client source is .NET/Windows based, the backup destination runs Ubuntu. I am using a small SQL CE database and have been trying to figure out the most reasonable approach to doing this. The file size (in terms of transfer time/bandwidth) isn't a big deal. I had a look around, and so far the things I've given thought are: Online backup services (Dropbox, Mozy) Opening an FTP/SFTP connection Writing a custom protocol with public/private keys Unsure regarding #1 because I doubt they would like it if somebody transferred gigabytes of data using a POST; and they do not seem to offer native (or .NET) APIs. FTP/SFTP seems risky in terms of security and privileges (as the password/key would need to be stored on the client side). With the right user group/user privileges this may work. Custom protocol seems overkill, which is why I am hoping somebody has already defined a reasonable API for language/platform-independent backups over the Internet. Any hints S.O.?

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• Are Subversion 1.6 & Xcode 3.2 compatible?

  - by Meltemi

  Trying to get Xcode to work with Subversion server. Server: Subversion upgraded to 1.6.9 (Mac OS X Leopard 10.5.8) Client: Xcode 3.2.1 (Snow Leopard 10.6.2 with Subversion 1.6.5 though not sure that matters) Repository on server is setup and working fine via command line. However, I get an error when trying to create the Repository connection in Xcode: Error: 160043 (Unsupported FS format) Description: Expected FS format '2'; found format '4' a Google search seems to say that the server needs to be updated...but it's running 1.6.9 which is the most current version I'm aware of. Anyone know how to make this work? Is it even possible? I'm well aware of the command line usage but I would like to get Xcode & SVN talking... Revisiting this after some time: Using command line: username$ svn+ssh://hostname/Library/Subversion/Repository/test yields the same result: Description: Expected FS format '2'; found format Can anyone verify that I need to upgrade Subversion on the client machine to match version on server (1.6.9)?!? was hoping i wouldn't have to unless it was a "major" revision (ie. 1.5.x - 1.6.x)

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• C# BackgroundWorker skips DoWork and goes straight to RunWorkerCompleted

  - by mr_man

  I'm new with C# so go easy on me! So far - I have a console app that listens for client connections and replies to the client accordingly. I also have a WPF form with a button and a text box. The button launches some code to connect to the server as a BackgroundWorker, which then waits for a response before appending it to the end of the text box. This works great, once. Sometimes twice. But then it kept crashing - turns out that the DoWork block wasn't being called at all and it was going straight to RunWorkerCompleted. Of course, the .result is blank so trying to convert it to a string fails. Is this a rookie mistake? I have tried searching the internet for various ways of saying the above but haven't come across anything useful... This is the code so far: http://pastebin.com/ZQvCFqxN - there are so many debug outputs from me trying to figure out exactly what went wrong. This is the result of the debug outputs: http://pastebin.com/V412mppX Any help much appreciated. Thanks! EDIT: The relevant code post-fix (thanks to Patrick Quirk below) is: public void dorequest(string query) { request = new BackgroundWorker(); request.WorkerSupportsCancellation = true; request.WorkerReportsProgress = true; request.ProgressChanged += request_ProgressChanged; request.DoWork += request_DoWork; request.RunWorkerCompleted += request_RunWorkerCompleted; request.RunWorkerAsync(query); }

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• xsd.exe - schema to class - for use with WCF

  - by NealWalters

  I have created a schema as an agreed upon interface between our company and an external company. I am now creating a WCF C# web service to handle the interface. I ran the XSD utility and it created a C# class. The schema was built in BizTalk, and references other schemas, so all-in-all there are over 15 classes being generated. I put [DataContract} attribute in front of each of the classes. Do I have to put the [DataMember] attribute on every single property? When I generate a test client program, the proxy does not have any code for any of these 15 classes. We used to use this technique when using .asmx services, but not sure if it will work the same with WCF. If we change the schema, we would want to regenerate the WCF class, and then we would haev to each time redecorate it with all the [DataMember] attributes? Is there an newer tool similar to XSD.exe that will work better with WCF? Thanks, Neal Walters SOLUTION (buried in one of Saunders answer/comments): Add the XmlSerializerFormat to the Interface definition: [OperationContract] [XmlSerializerFormat] // ADD THIS LINE Transaction SubmitTransaction(Transaction transactionIn); Two notes: 1) After I did this, I saw a lot more .xsds in the my proxy (Service Reference) test client program, but I didn't see the new classes in my intellisense. 2) For some reason, until I did a build on the project, I didn't get all the classes in the intellisense (not sure why).

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• Custom model validation of dependent properties using Data Annotations

  - by Darin Dimitrov

  Since now I've used the excellent FluentValidation library to validate my model classes. In web applications I use it in conjunction with the jquery.validate plugin to perform client side validation as well. One drawback is that much of the validation logic is repeated on the client side and is no longer centralized at a single place. For this reason I'm looking for an alternative. There are many examples out there showing the usage of data annotations to perform model validation. It looks very promising. One thing I couldn't find out is how to validate a property that depends on another property value. Let's take for example the following model: public class Event { [Required] public DateTime? StartDate { get; set; } [Required] public DateTime? EndDate { get; set; } } I would like to ensure that EndDate is greater than StartDate. I could write a custom validation attribute extending ValidationAttribute in order to perform custom validation logic. Unfortunately I couldn't find a way to obtain the model instance: public class CustomValidationAttribute : ValidationAttribute { public override bool IsValid(object value) { // value represents the property value on which this attribute is applied // but how to obtain the object instance to which this property belongs? return true; } } I found that the CustomValidationAttribute seems to do the job because it has this ValidationContext property that contains the object instance being validated. Unfortunately this attribute has been added only in .NET 4.0. So my question is: can I achieve the same functionality in .NET 3.5 SP1? UPDATE: It seems that FluentValidation already supports clientside validation and metadata in ASP.NET MVC 2. Still it would be good to know though if data annotations could be used to validate dependent properties.

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• IncludeExceptionDetailInFaults not behaving as thought

  - by pdiddy

  I have this simple test project just to test the IncludeExceptionDetailInFaults behavior. public class Service1 : IService1 { public string GetData(int value) { throw new InvalidCastException("test"); return string.Format("You entered: {0}", value); } } [ServiceContract] public interface IService1 { [OperationContract] string GetData(int value); } In the app.config of the service i have it set to true <serviceDebug includeExceptionDetailInFaults="True" /> On the client side: try { using (var proxy = new ServiceReference1.Service1Client()) Console.WriteLine(proxy.GetData(5)); } catch (Exception ex) { Console.WriteLine(ex.Message); } This is what I thought the behavior was: Setting to includeExceptionDetailInFaults=true would propagate the exception detail to the client. But I'm always getting the CommunicationObjectFaultException. I did try having the FaultContract(typeof(InvalidCastException)) on the contract but same behavior, only getting the CommunicationObjectFaultException. The only way to make it work was to throw new FaultException(new InvalidCastException("test")); But I thought with IncludeExceptionDetailInFaults=true the above was done automatically. Am I missing something?

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• Exporting non-public type through public API

  - by feelgood

  What if I have few factory methods returning non-public type and pairing set of methods which gives variables of this non-public type? This results with titled warning message in NetBeans. In result public API will contain only two pairing sets of methods. The reason is to make my type hierarchy sealed (like seald classes in Scala) and allow users only instantiate these types through factory methods. So we get DSL in some sense. For example, Schedule class represented by calendar fields' contraints. There are some types of contraints - Range, Singleton, List, FullSet - with NumberSet interface as a root. We don't want to expose these types and how Schedule interact with them. We just want the specification from the user. So we make NumberSet package-private. In class Schedule we create few factory-methods for constraints: NumberSet singleton(int value); NumberSet range(int form, int to); NumberSet list(NumberSet ... components); and some methods for creating Schedule object: Schedule everyHour(NumberSet minutes); Schedule everyDay(NumberSet minutes, NumberSet hours); User can only use them in the manner: Schedule s = Schedule.everyDay( singleton(0), list(range(10-15), singleton(8)) ); Is it bad idea?

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• Asynchronously populate datagridview in Windows Forms application

  - by dcryptd

  howzit! I'm a web developer that has been recently requested to develop a Windows forms application, so please bear with me (or dont laugh!) if my question is a bit elementary. After many sessions with my client, we eventually decided on an interface that contains a tabcontrol with 5 tabs. Each tab has a datagridview that may eventually hold up to 25,000 rows of data (with about 6 columns each). I have successfully managed to bind the grids when the tab page is loaded and it works fine for a few records, but the UI freezes when I bound the grid with 20,000 dummy records. The "freeze" occurs when I click on the tab itself, and the UI only frees up (and the tab page is rendered) once the bind is complete. I communicated this to the client and mentioned the option of paging for each grid, but she is adament w.r.t. NOT wanting this. My only option then is to look for some asynchronous method of doing this in the background. I don't know much about threading in windows forms, but I know that I can use the BackgroundWorker control to achieve this. My only issue after reading up a bit on it is that it is ideally used for "long-running" tasks and I/O operations. My questions: How does one determine a long-running task? How does one NOT MISUSE the BackgroundWorker control, ie. is there a general guideline to follow when using this? (I understand that opening/spawning multiple threads may be undesirable in certain instances) Most importantly: How can I achieve (asychronously) binding of the datagridview after the tab page - and all its child controls - loads. Thank you for reading this (ahem) lengthy query, and I highly appreciate any responses/thoughts/directions on this matter! Cheers!

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• java.lang.ClassNotFoundException

  - by user341493

  Hey everyone, I have a java project that I'm working on which was working until a few days ago. I'm not sure what I did to my Eclipse set-up to hose it but now I'm getting a java.lang.ClassNotFoundException when I try to run some code that accesses the google finance api. I've built a small test application that uses the google finance api on its own and that seems to work. So, I think this is a project specific problem. Any help would be greatly appreciated. Here's the stack trace: `ptolemy.kernel.util.IllegalActionException: in .RandomSearch.manager Because: com/google/common/collect/Maps at ptolemy.actor.Manager.execute(Manager.java:472) at ptolemy.actor.Manager.run(Manager.java:1119) at ptolemy.actor.Manager$3.run(Manager.java:1160) Caused by: java.lang.NoClassDefFoundError: com/google/common/collect/Maps at com.google.gdata.wireformats.AltRegistry.(AltRegistry.java:118) at com.google.gdata.wireformats.AltRegistry.(AltRegistry.java:100) at com.google.gdata.client.Service.(Service.java:546) at AtomicBroadcast.GoogleFinance.GooglePortfolioReader.fire(GooglePortfolioReader.java:108) at ptolemy.domains.de.kernel.DEDirector.fire(DEDirector.java:568) at ptolemy.actor.CompositeActor.fire(CompositeActor.java:458) at ptolemy.actor.Manager.iterate(Manager.java:714) at ptolemy.actor.Manager.execute(Manager.java:349) ... 2 more Caused by: java.lang.ClassNotFoundException: com.google.common.collect.Maps at java.net.URLClassLoader$1.run(URLClassLoader.java:217) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:205) at java.lang.ClassLoader.loadClass(ClassLoader.java:319) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294) at java.lang.ClassLoader.loadClass(ClassLoader.java:264) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:332) ... 10 more Caused by: java.lang.NoClassDefFoundError: com/google/common/collect/Maps at com.google.gdata.wireformats.AltRegistry.(AltRegistry.java:118) at com.google.gdata.wireformats.AltRegistry.(AltRegistry.java:100) at com.google.gdata.client.Service.(Service.java:546) at AtomicBroadcast.GoogleFinance.GooglePortfolioReader.fire(GooglePortfolioReader.java:108) at ptolemy.domains.de.kernel.DEDirector.fire(DEDirector.java:568) at ptolemy.actor.CompositeActor.fire(CompositeActor.java:458) at ptolemy.actor.Manager.iterate(Manager.java:714) at ptolemy.actor.Manager.execute(Manager.java:349) at ptolemy.actor.Manager.run(Manager.java:1119) at ptolemy.actor.Manager$3.run(Manager.java:1160) Caused by: java.lang.ClassNotFoundException: com.google.common.collect.Maps at java.net.URLClassLoader$1.run(URLClassLoader.java:217) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:205) at java.lang.ClassLoader.loadClass(ClassLoader.java:319) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294) at java.lang.ClassLoader.loadClass(ClassLoader.java:264) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:332) ... 10 more`

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• Forwarding an email with python smtplib

  - by robbles

  I'm trying to put together a script that automatically forwards certain emails that match a specific criteria to another email. I've got the downloading and parsing of messages using imaplib and email working, but I can't figure out how to forward an entire email to another address. Do I need to build a new message from scratch, or can I somehow modify the old one and re-send it? Here's what I have so far (client is an imaplib.IMAP4 connection, and id is a message ID): status, data = client.fetch(id, '(RFC822)') email_body = data[0][1] mail = email.message_from_string(email_body) # ...Process message... # This doesn't work forward = email.message.Message() forward.set_payload(mail.get_payload()) forward['From'] = '[email protected]' forward['To'] = '[email protected]' smtp.sendmail(user, ['[email protected]'], forward.as_string()) I'm sure there's something slightly more complicated I need to be doing with regard to the MIME content of the message. Surely there's some simple way of just forwarding the entire message though? # This doesn't work either, it just freezes...? mail['From'] = '[email protected]' mail['To'] = '[email protected]' smtp.sendmail(user, ['[email protected]'], mail.as_string())

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• Linq PredicateBuilder with conditional AND, OR and NOT filters.

  - by richeym

  We have a project using LINQ to SQL, for which I need to rewrite a couple of search pages to allow the client to select whether they wish to perform an and or an or search. I though about redoing the LINQ queries using PredicateBuilder and have got this working pretty well I think. I effectively have a class containing my predicates, e.g.: internal static Expression<Func<Job, bool>> Description(string term) { return p => p.Description.Contains(term); } To perform the search i'm doing this (some code omitted for brevity): public Expression<Func<Job, bool>> ToLinqExpression() { var predicates = new List<Expression<Func<Job, bool>>>(); // build up predicates here if (SearchType == SearchType.And) { query = PredicateBuilder.True<Job>(); } else { query = PredicateBuilder.False<Job>(); } foreach (var predicate in predicates) { if (SearchType == SearchType.And) { query = query.And(predicate); } else { query = query.Or(predicate); } } return query; } While i'm reasonably happy with this, I have two concerns: The if/else blocks that evaluate a SearchType property feel like they could be a potential code smell. The client is now insisting on being able to perform 'and not' / 'or not' searches. To address point 2, I think I could do this by simply rewriting my expressions, e.g.: internal static Expression<Func<Job, bool>> Description(string term, bool invert) { if (invert) { return p => !p.Description.Contains(term); } else { return p => p.Description.Contains(term); } } However this feels like a bit of a kludge, which usually means there's a better solution out there. Can anyone recommend how this could be improved? I'm aware of dynamic LINQ, but I don't really want to lose LINQ's strong typing.

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• StackOverFlowException - but oviously NO recursion/endless loop

  - by user567706

  Hi there, I'm now blocked by this problem the entire day, read thousands of google results, but nothing seems to reflect my problem or even come near to it... i hope any of you has a push into the right direction for me. I wrote a client-server-application (so more like 2 applications) - the client collects data about his system, as well as a screenshot, serializes all this into a XML stream (the picture as a byte[]-array]) and sends this to the server in regular intervals. The server receives the stream (via tcp), deserializes the xml to an information-object and shows the information on a windows form. This process is running stable for about 20-25 minutes at a submission interval of 3 seconds. When observing the memory usage there's nothing significant to see, also kinda stable. But after these 20-25 mins the server throws a StackOverflowException at the point where it deserializes the tcp-stream, especially when setting the Image property from the byte[]-array. I thoroughly searched for recursive or endless loops, and regarding the fact that it occurs after thousands of sucessfull intervals, i could hardly imagine that. public byte[] ImageBase { get { MemoryStream ms = new MemoryStream(); _screen.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg); return ms.GetBuffer(); } set { if (_screen != null) _screen.Dispose(); //preventing well-known image memory leak MemoryStream ms = new MemoryStream(value); try { _screen = Image.FromStream(ms); //<< EXCEPTION THROWING HERE } catch (StackOverflowException ex) //thx to new CLR management this wont work anymore -.- { Console.WriteLine(ex.Message + Environment.NewLine + ex.StackTrace); } ms.Dispose(); ms = null; } } I hope that more code would be unnecessary, or it could get very complex... Please help, i have no clue at all anymore thx Chris

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• XMLRPC java insert issue

  - by Sanjai Palliyil

  I am trying to insert customer details into OpenERP server using XMLPRC and java. I am able to do an authentication. But when i call the execute method to insert the record by passing the parameters, am getting Exception in thread "main" java.lang.NullPointerException on line res_create = client_1.execute("execute", params_create); Please find my code below res = client.execute("login", params); String url_1 = "http://agilewebdevelopment.net:8514/xmlrpc/object"; XmlRpcClientConfigImpl config_1 = new XmlRpcClientConfigImpl(); try { config_1.setServerURL(new URL(url_1)); } catch (MalformedURLException e) { System.out.println("First"); e.printStackTrace(); } System.out.println(res); HashMap<String, Object> vals = new HashMap<String, Object>(); vals.put("name", "Mantavya Gajjar"); vals.put("ref", "MGA"); XmlRpcClient client_1 = new XmlRpcClient(); client.setConfig(config_1); Object[] params_create = new Object[]{"erp_performance", "1", "admin", "res.partner", "create", vals}; Object res_create = null; try { res_create = client_1.execute("execute", params_create); } catch (XmlRpcException e) { e.printStackTrace(); } Any helps is appreciated

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• Error when trying to connect to Jacorb naming service

  - by Dopyiii

  I'm hoping to get some help with this weird problem. We're running the Jacorb name server and I have a simple client that I'm using to try to connect and do awesome CORBA voodoo. The name server is running, but when I try to start my java app, I get a "Connection failure" error (org.omg.CORBA.COMM_FAILURE, minor code 201, "caused by java.net.ConnectionException: Connection refused: connect"). Here's the weird part. The error reports that it's trying to connect using the default port 900, but I'm passing in an argument to try to override the port number of the name service to match the one being used by the name server. My java command is like this: java -classpath . HelloClient -Djava.endorsed.dirs="bla bla bla" -Dorg.omg.CORBA.ORBClass=org.jacorb.orb.ORB -Dorg.omg.CORBA.ORBSingletonClass=org.jacorb.orb.ORBSingleton -DORBInitRef.NameService=corbaloc::localhost:2809/StandardNS/NameServer-POA/_root I also tried the parameters without the first capital D (I've seen it both ways and I don't know the difference). Now, if I put in -ORBInitialPort 2809, then the client does appear to try to connect, but then I get a corba.OBJECT_NOT_EXIST error. I could use any help or advise anyone has.

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• Run time error in java servlet

  - by Derk

  The build of the project is succesfull, but when I go the the url I get the following error report: >HTTP Status 500 - type Exception report >message description The server encountered an internal error () that prevented it from fulfilling this request. >exception javax.servlet.ServletException: Error instantiating servlet class example.servlet.ScrapingServlet org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584) org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) java.lang.Thread.run(Thread.java:619) >root cause java.lang.NoClassDefFoundError: org/apache/http/impl/client/DefaultHttpClient java.lang.Class.getDeclaredConstructors0(Native Method) java.lang.Class.privateGetDeclaredConstructors(Class.java:2389) java.lang.Class.getConstructor0(Class.java:2699) java.lang.Class.newInstance0(Class.java:326) java.lang.Class.newInstance(Class.java:308) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584) org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) java.lang.Thread.run(Thread.java:619) >root cause java.lang.ClassNotFoundException: org.apache.http.impl.client.DefaultHttpClient org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1358) org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204) java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) java.lang.Class.getDeclaredConstructors0(Native Method) java.lang.Class.privateGetDeclaredConstructors(Class.java:2389) java.lang.Class.getConstructor0(Class.java:2699) java.lang.Class.newInstance0(Class.java:326) java.lang.Class.newInstance(Class.java:308) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584) org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) java.lang.Thread.run(Thread.java:619) >note The full stack trace of the root cause is available in the Apache Tomcat/6.0.14 logs. Apache Tomcat/6.0.14 And that is because I added this simple line to the code: HttpClient httpclient = new DefaultHttpClient(); What am I doing wrong?

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• when long polling, Why are my other requests taking so long?

  - by Pascal

  The client makes 2 concurrent requests. (1 which takes 60 seconds - long polling) and another which is NOT long polling - supposed to return right away. It does return right away when I'm not doing long polling. But as soon as I start doing long polling with the other thread, the other one takes forever to execute. Firebug shows that the request is waiting for 10-50 seconds. On the server, I profiled ALL requests from the moment the php script starts to the time it goes back to the client, and it shows that each one only took 300ms or less. This problem started about the same time I started doing long polling (with the other XHR requests). I'm using jquery for both requests. The server shows that it is under very light load. CPU and memory less then 2%. 8 processes running out of a pool of 15. (it doesn't seem to deviate much from that number 8, even when I run more ajax requests). I guess each process can run multiple ajax threads concurrently. I made sure to EXIT from all processes as soon as their done executing. I don't see how the process pool has run out, if there are still 7 unused processes listed under prstat -J. Also, the problem happens somewhat intermittently. Firefox should be able to handle 2 concurrent ajax requests. i dont get what the problem is.

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• WCF Service in Azure with ClaimsIdentity over SSL

  - by Sunil Ramu

  Hello , Created a WCF service as a WebRole using Azure and a client windows application which refers to this service. The Cloud Service is refered to a certificate which is created using the "Hands On Lab" given in windows identity foundation. The Web Service is hosted in IIS and it works perfect when executed. I've created a client windows app which refers to this web service. Since WIF Claims identity is used, I have a claimsAuthorizationManager Class, and also a Policy class with set of defilned policies. The Claims is set in the web.config file. When I execute the windows app as the start up project, the app prompts for authentication, and when the account credentials are given as in the config file, it opens a new "Windows Card Space" Window and Says "Incoming Policy Failed". When I close the window the System throws and Exception The incoming policy could not be validated. For more information, please see the event log. Event Log Details Incoming policy failed validation. No valid claim elements were found in the policy XML. Additional Information: at System.Environment.get_StackTrace() at Microsoft.InfoCards.Diagnostics.InfoCardTrace.BuildMessage(InfoCardBaseException ie) at Microsoft.InfoCards.Diagnostics.InfoCardTrace.TraceAndLogException(Exception e) at Microsoft.InfoCards.Diagnostics.InfoCardTrace.ThrowHelperError(Exception e) at Microsoft.InfoCards.InfoCardPolicy.Validate() at Microsoft.InfoCards.Request.PreProcessRequest() at Microsoft.InfoCards.ClientUIRequest.PreProcessRequest() at Microsoft.InfoCards.Request.DoProcessRequest(String& extendedMessage) at Microsoft.InfoCards.RequestFactory.ProcessNewRequest(Int32 parentRequestHandle, IntPtr rpcHandle, IntPtr inArgs, IntPtr& outArgs) Details: System Provider [ Name] CardSpace 3.0.0.0 EventID 267 [ Qualifiers] 49157 Level 2 Task 1 Keywords 0x80000000000000 EventRecordID 6996 Channel Application EventData No valid claim elements were found in the policy XML. Additional Information: at System.Environment.get_StackTrace() at Microsoft.InfoCards.Diagnostics.InfoCardTrace.BuildMessage(InfoCardBaseException ie) at Microsoft.InfoCards.Diagnostics.InfoCardTrace.TraceAndLogException(Exception e) at Microsoft.InfoCards.Diagnostics.InfoCardTrace.ThrowHelperError(Exception e) at Microsoft.InfoCards.InfoCardPolicy.Validate() at Microsoft.InfoCards.Request.PreProcessRequest() at Microsoft.InfoCards.ClientUIRequest.PreProcessRequest() at Microsoft.InfoCards.Request.DoProcessRequest(String& extendedMessage) at Microsoft.InfoCards.RequestFactory.ProcessNewRequest(Int32 parentRequestHandle, IntPtr rpcHandle, IntPtr inArgs, IntPtr& outArgs)

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• Fck editor problem

  - by Josemalive

  Hi, Im using FCK Editor control instead a textarea element. I installed it without problems. But when i want to validate it with a Custom validator of ASP.Net 2.0, im not getting the result expected. These lines are the code that i have: <textarea style="width:30px;height:20px;" class="ckeditor" id="txtdescription" runat="server" name="txtdescription" cols="5" rows="10"></textarea> <asp:CustomValidator id="descval" runat="server" ControlToValidate="txtdescription" EnableClientScript="true" Enabled="true" ValidateEmptyText="true" Display="Dynamic" ClientValidationFunction="ValidateTextDesc" Text="*" ErrorMessage="*"/> <asp:Button ID="buttonadd" runat="server" Text="Add text" OnClick="buttonadd_Click" /> And my javascript code that executes the CustomValidator client function is: function ValidateTextDesc(source, args) { var descriptiontext = document.getElementById("txtdescription"); if ((descriptiontext.value.indexOf("<script") != -1) || (descriptiontext.value.length==0)) { args.IsValid=false; } else { args.IsValid = true; } return args.IsValid; } My problem is that i have to click twice my submit button to execute this Client function: Do you know why this issue is happening? Thanks in advance. Regards. Josema.

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• Apache Axis: How to set call properties using code generated from wsdl2java?

  - by marc esher

  I'm using Apache Axis 1.4 (yes, the old one), with wsdl2java to generate the client code for a webservice. I'd like to set additional properties on the Call object before calling methods on the generated stub. For example, I'd like to set username, password, perhaps add or modify existing headers, and change the client handlers to use different implementations. Currently, I'm doing this by modifying the generated Stub class and calling the appropriate setters. However, I'd like to achieve this without touching the generated files. I"m confused, though, because the Stub class has: createCall() which creates the call object and sets some properties. Currently, this is where I'm modifying the generated source code; then, the Stub contains: clientMethod1(){ blahblah Call _call = createCall(); ...... _call.invoke(); } So I can't see a way that I can use the serviceLocator to get a stub, modify the properties I want to modify, and then use the stub to call the methods I want to call, given that the stub methods call createCall() and then call invoke. There doesn't appear to be a way to intercept the new Call object before it's invoked. So: How do you modify properties in the call without modifying the generated Stub class's source code? Thanks for info or even pointers to existing documentation.

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• Problem with MessageContract, Generic return types and clientside naming

  - by Soeteman

  I'm building a web service which uses MessageContracts, because I want to add custom fields to my SOAP header. In a previous topic, I learned that a composite response has to be wrapped. For this purpose, I devised a generic ResponseWrapper class. [MessageContract(WrapperNamespace = "http://mynamespace.com", WrapperName="WrapperOf{0}")] public class ResponseWrapper<T> { [MessageBodyMember(Namespace = "http://mynamespace.com")] public T Response { get; set; } } I made a ServiceResult base class, defined as follows: [MessageContract(WrapperNamespace = "http://mynamespace.com")] public class ServiceResult { [MessageBodyMember] public bool Status { get; set; } [MessageBodyMember] public string Message { get; set; } [MessageBodyMember] public string Description { get; set; } } To be able to include the request context in the response, I use a derived class of ServiceResult, which uses generics: [MessageContract(WrapperNamespace = "http://mynamespace.com", WrapperName = "ServiceResultOf{0}")] public class ServiceResult<TRequest> : ServiceResult { [MessageBodyMember] public TRequest Request { get; set; } } This is used in the following way [OperationContract()] ResponseWrapper<ServiceResult<HCCertificateRequest>> OrderHealthCertificate(RequestContext<HCCertificateRequest> context); I expected my client code to be generated as ServiceResultOfHCCertificateRequest OrderHealthCertificate(RequestContextOfHCCertificateRequest context); Instead, I get the following: ServiceResultOfHCCertificateRequestzSOTD_SSj OrderHealthCertificate(CompType1 c1, CompType2 c2, HCCertificateRequest context); CompType1 and CompType2 are properties of the RequestContext class. The problem is that a hash is added to the end of ServiceResultOfHCCertificateRequestzSOTD_SSj. How do I need define my generic return types in order for the client type to be generated as expected (without the hash)?

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• Keymap issues with NX from Mac OS X Lion

  - by Andy

  I tried to answer the question from Mark: Keymap issues with NX from Mac OS X Lion to Ubuntu However, it is locked so I figured I would post a new question / answer. I have been trying to answer this for a few days now because I have no issues when connecting through NX Client (technically OpenNX) to FreeNX server from an iMac (with Lion), but if I try to connect with a Macbook Pro I get horrible keyboard binding issues. The fix that is working for me is to go into: ~/.nx/config/HOST.nxs and change: <option key="Current keyboard" value="false"/> <option key="Custom keyboard layout" value="empty"/> <option key="Grab keyboard" value="false"/> I have tried this on three NX Servers and all are fixed. Hope it helps or gets you closer. Always check in the ~/.nx/temp/ for the sshlog and see if --keyboard="empty/empty" instead of "pc105/en" because the Mac is really pc104. 9:05:35: startsession --session="HOST" --type="unix-gnome" --cache="8M" --images="32M" --link="adsl" --geometry="2556\ x1396" --screeninfo="2560x1440x32+render" --keyboard="empty/empty" --backingstore="1" --encryption="1" --composite="1" --\ shmem="1" --shpix="1" --streaming="1" --samba="0" --cups="0" --nodelay="1" --defer="0" --client="macosx" --media="0" --st\ rict="0" --aux="1"

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• Comet Jetty/Tomcat, having some browser issues with Firefox and Chrome

  - by ages04

  I am exploring the use of Comet for a project I am working on. I tried creating a test application first using Tomcat6 and CometProcessor API and then with Jetty7 Continuations. The application is kind of working on both but I am having some issues with the actual display of messages. I used the technique of creating an XMLHttpRequest Connection and keeping it open all the time so the server can continuously push data to all the clients connected whenever it is available. My client side code is something similar to this: function fn(){ var xhr = new XMLHttpRequest(); xhr.onreadystatechange = function(){ if (xhr.readyState==3){ document.getElementById('dv').innerHTML =(xhr.responseText); } if (xhr.readyState==4){ alert ('done'); } } xhr.open("GET", "First", true); xhr.send(null); } I found this thing of using readyState 3 somewhere online. I am facing 2 problems currently: In Firefox this code works perfectly. But if I open a new tab or even a new browser window, it does not make a new connection to the server and nothing shows up on the new tab or window, only the first tab/window gets the display. I used wireshark to check this and its shows only 1 connection even after the 2nd tab is opened. I am unable to understand why this would happen. I have read about the 2 connection limit, but here there is only one connection. Secondly in Chrome, the above code does not work, and the callback is not invoked for readystate of 3, only when the connection is closed by the server i get the output. I would also like to ask which is the best way/framework for doing Comet with Java. I am currently using jQuery on the client side. Any suggestions would be greatly appreciated!! Thanks

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• C++ help with getline function with ifstream

  - by John

  So I am writing a program that deals with reading in and writing out to a file. I use the getline() function because some of the lines in the text file may contain multiple elements. I've never had a problem with getline until now. Here's what I got. The text file looks like this: John Smith // Client name 1234 Hollow Lane, Chicago, IL // Address 123-45-6789 // SSN Walmart // Employer 58000 // Income 2 // Number of accounts the client has 1111 // Account Number 2222 // Account Number ifstream inFile("ClientInfo.txt"); if(inFile.fail()) { cout << "Problem opening file."; } else { string name, address, ssn, employer; double income; int numOfAccount; getline(inFile, name); getline(inFile, address); // I'll stop here because I know this is where it fails. When I debugged this code, I found that name == "John", instead of name == "John Smith", and Address == "Smith" and so on. Am I doing something wrong. Any help would be much appreciated.

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• How to implement a web app with blazeds+java+flex+tomcat?

  - by ARYAD

  Hi, i'm doing a web app in flex blazeds and java, i installed the eclipse plugs for using WTP mixed project, i use the flex's server that uses an emulate of tomcat when i ran my flex service the web app got the datas, everythings is ok. the problem is when i copy the proyect with all files generated by flex in my tomcat or the blazeds's tomcat, it doesn't work, this is becasue i want to implement my app on a server the error is: "(mx.messaging.messages::ErrorMessage)#0 body = (Object)#1 clientId = (null) correlationId = "B425A2A7-7D12-A982-7779-8CCBF669413C" destination = "" extendedData = (null) faultCode = "Client.Error.MessageSend" faultDetail = "Channel.Connect.Failed error NetConnection.Call.Failed: HTTP: Failed: url: 'http://172.16.8.245:8400/IEC-BLAZEDS/messagebroker/amf'" faultString = "Send failed" headers = (Object)#2 messageId = "1CBC6020-0ED8-C4CC-3B77-8CCBF6D6621D" rootCause = (mx.messaging.events::ChannelFaultEvent)#3 bubbles = false cancelable = false channel = (mx.messaging.channels::AMFChannel)#4 authenticated = false channelSets = (Array)#5 [0] (mx.messaging::ChannelSet)#6 authenticated = false channelIds = (Array)#7 [0] "my-amf" channels = (Array)#8 [0] (mx.messaging.channels::AMFChannel)#4 clustered = false connected = false currentChannel = (mx.messaging.channels::AMFChannel)#4 initialDestinationId = (null) messageAgents = (Array)#9 [0] (mx.rpc::AsyncRequest)#10 authenticated = false autoConnect = true channelSet = (mx.messaging::ChannelSet)#6 clientId = (null) connected = false defaultHeaders = (null) destination = "ADEscenario" id = "7D92EDF2-CF62-9545-BA11-8CCBF6691E6B" reconnectAttempts = 0 reconnectInterval = 0 requestTimeout = -1 subtopic = "" connected = false connectTimeout = -1 enableSmallMessages = true endpoint = "http://172.16.8.245:8400/IEC-BLAZEDS/messagebroker/amf" failoverURIs = (Array)#11 id = "my-amf" mpiEnabled = false netConnection = (flash.net::NetConnection)#12 client = (mx.messaging.channels::AMFChannel)#4 connected = false objectEncoding = 3 proxyType = "none" uri = "http://172.16.8.245:8400/IEC-BLAZEDS/messagebroker/amf" piggybackingEnabled = false polling = false pollingEnabled = true pollingInterval = 3000 protocol = "http" reconnecting = false recordMessageSizes = false recordMessageTimes = false requestTimeout = -1 uri = "http://{server.name}:{server.port}/IEC-BLAZEDS/messagebroker/amf" url = "http://{server.name}:{server.port}/IEC-BLAZEDS/messagebroker/amf" useSmallMessages = false channelId = "my-amf" connected = false currentTarget = (mx.messaging.channels::AMFChannel)#4 eventPhase = 2 faultCode = "Channel.Connect.Failed" faultDetail = "NetConnection.Call.Failed: HTTP: Failed: url: 'http://172.16.8.245:8400/IEC-BLAZEDS/messagebroker/amf'" faultString = "error" reconnecting = false rejected = false rootCause = (Object)#13 code = "NetConnection.Call.Failed" description = "HTTP: Failed" details = "http://172.16.8.245:8400/IEC-BLAZEDS/messagebroker/amf" level = "error" target = (mx.messaging.channels::AMFChannel)#4 type = "channelFault" timestamp = 0 timeToLive = 0" i don't know why tomcat doesn't find the class of flex.messaging.endpoints.AMFEndpoint that is used for my-amf 'http://172.16.8.245:8400/IEC-BLAZEDS/messagebroker/amf'. all works well in the emulated server that flex has.

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• mysql match against russain

  - by Devenv

  Hey, Trying to solve this for a very long time now... SELECT MATCH(name) AGAINST('????????') (russian) doesn't work, but SELECT MATCH(name) AGAINST('abraxas') (english) work perfectly. I know it's something with character-set, but I tried all kind of settings and it didn't work. For now it's latin-1. LIKE works This is the show variables charset related: character_set_client - latin1 character_set_connection - latin1 character_set_database - latin1 character_set_filesystem - binary character_set_results - latin1 character_set_server - latin1 character_set_system - utf8 character_sets_dir - /usr/share/mysql/charsets/ collation_connection - latin1_swedish_ci collation_database - latin1_swedish_ci collation_server - latin1_swedish_ci chunk of /etc/my.cnf default-character-set=latin1 skip-character-set-client-handshake chunk of the dump: /*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */; /*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */; /*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */; /*!40101 SET NAMES utf8 */; DROP TABLE IF EXISTS `scenes_raw`; /*!40101 SET @saved_cs_client = @@character_set_client */; /*!40101 SET character_set_client = utf8 */; CREATE TABLE `scenes_raw` ( `scene_name` varchar(40) DEFAULT NULL, ...blabla... ) ENGINE=MyISAM AUTO_INCREMENT=901 DEFAULT CHARSET=utf8; (I did tests without skip-character-set-client-handshake too) SHOW TABLE STATUS WHERE Name = 'scenes_raw'\G Name: scenes_raw Engine: MyISAM Version: 10 Row_format: Dynamic Index_length: 23552 Collation: utf8_general_ci Checksum: NULL Create_options:

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