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• Websphere 7 EntityManagerFactory creation problem

  - by mihaela

  Hello, I'm working on a maven project which uses seam 2.2.0, hibernate 3.5.0-CR-2 as JPA provider, DB2 as database server and Websphere 7 as application server. Now I'm facing de following problem: In my EJBs that are seen also as SEAM components I want to use the EntityManager from EJB container (@PersistenceContext private EntityManager em) not Seam's EntityManager (@In private EntityManager em). But this is the problem, I cannot obtain an EntityManager using @PersistenceContext. On server logs it sais that it cannot create an EntityManagerFactory and gets a ClassCastException: java.lang.ClassCastException: org.hibernate.ejb.HibernatePersistence incompatible with javax.persistence.spi.PersistenceProvider After a lot of debugging and searching on forums I'm assuming that the problem is that Websphere doesn't use the Hibernate JPA provider. Has anyone faced this problem and has a solution? I configured already WAS class loader order for my application to load the classes with the application class loader first and I\ve packed all necessary jars in application ear as written in: WAS InfoCenter: Features for EJB 3.0 development . If necessary I'll post my persistence.xml, components.xml files and stack trace. I've found this problem discussed also here: Websphere EntityManagerFactory creation problem Hibernate 3.3 fail to create entity manager factory in Websphere 7.0. Please help Any hint will be useful. Thanks in advance! Mihaela

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• WPF Background Thread Invocation

  - by jeffn825

  Maybe I'm mis-remembering how Winforms works or I'm overcomplicating the hell out of this, but here's my problem. I have a WPF client app application that talks to a server over WCF. The current user may "log out" of the WPF client, which closes all open screens, leaves only the navigation pane, and minimizes the program window. When the user re-maximizes the program window, they are prompted to log in. Simple. But sometimes things happen on background threads - like every 5 minutes the client tries to make a WCF calls that refreshes some cached data. And what if the user is logged out when this 5 minute timer triggers? Well, then the user should be prompted to log back in...and this must of course happen on the UI thread. private static ISecurityContext securityContext; public static ISecurityContext SecurityContext { get { if (securityContext == null) { // Login method shows a window and prompts the user to log in Application.Current.Dispatcher.Invoke((Action)Login); } return securityContext; } } So far so good, right? But what happens when multiple threads hit this spot of code? Well, my first intuition was that since I'm syncrhonizing across the Application.Current.Dispatcher, I should be fine, and whichever thread hit first would be responsible for showing the login form and getting the user logged in... Not the case... Thread 1 will hit the code and call ShowDialog on the login form Thread 2 will also hit the code and will call Login as soon as Thread 1 has called ShowDialog, since calling ShowDialog unblocked Thread 1 (I believe because of the way the WPF message pump works) All I want is a synchronized way of getting the user logged back into the application...what am I missing here? Thanks in advance.

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• Get more debug info from AxHost?

  - by Presidenten

  Hello I'm trying to deploy an application which uses an library that embeds an ActiveX control with AxHost in C#. When I run the installed app on our test rig I catch and present the following exception: Unexpected exception. This application has failed to start because the application configuration is incorrect. Reinstalling the application may fix this problem. (Exception from HRESULT: 0x800736B1) at System.Windows.Forms.UnsafeNativeMethods.CoCreateInstance(Guid& clsid, Object punkOuter, Int32 context, Guid& iid) at System.Windows.Forms.AxHost.CreateWithoutLicense(Guid clsid) at System.Windows.Forms.AxHost.CreateWithLicense(String license, Guid clsid) at System.Windows.Forms.AxHost.CreateInstanceCore(Guid clsid) at System.Windows.Forms.AxHost.CreateInstance() at System.Windows.Forms.AxHost.GetOcxCreate() at System.Windows.Forms.AxHost.TransitionUpTo(Int32 state) at System.Windows.Forms.AxHost.CreateHandle() at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible) at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible) at System.Windows.Forms.AxHost.EndInit() at ....InitializeComponent() at ... I googled 0x800736B1, so I know that it means that a file could not be loaded. The big Q right now is how to find out which file it is that cant be loaded. Is there some sort of logging function I can turn on, or is there maybe som way I can get more info from the exception?

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• Forms authentication, ASP.NET MVC and WCF RESTful service

  - by J F

  One test webserver, with the following applications service.ganymedes.com:8008 - WCF RESTful service, basically the FormsAuth sample from WCF Starter Kit Preview 2 mvc.ganymedes.com:8008 - ASP.NET MVC 2.0 application web.config for service.ganymedes.com: <authentication mode="Forms"> <forms loginUrl="~/login.aspx" timeout="2880" domain="ganymedes.com" name="GANYMEDES_COOKIE" path="/" /> </authentication> web.config for mvc.ganymedes.com: <authentication mode="Forms"> <forms loginUrl="~/Account/LogOn" timeout="2880" domain="ganymedes.com" name="GANYMEDES_COOKIE" path="/" /> </authentication> Trying my darndest, a GET (or POST for that matter) via jQuery's $.ajax or getJson does not send my cookie (according to Firebug), so I get HTTP 302 returned from the WCF service: Request Headers Host service.ganymedes.com:8008 User-Agent Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.8) Gecko/20100202 Firefox/3.5.8 (.NET CLR 3.5.30729) Accept application/json, text/javascript, */* Accept-Language en-us,en;q=0.5 Accept-Encoding gzip,deflate Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive 300 Connection keep-alive Referer http://mvc.ganymedes.com:8008/Test Origin http://mvc.ganymedes.com:8008 It's sent when mucking about on the MVC site though: Request Headers Host mvc.ganymedes.com:8008 User-Agent Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.8) Gecko/20100202 Firefox/3.5.8 (.NET CLR 3.5.30729) Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language en-us,en;q=0.5 Accept-Encoding gzip,deflate Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive 300 Connection keep-alive Referer http://mvc.ganymedes.com:8008/Test Cookie GANYMEDES_COOKIE=0106A4A666C8C615FBFA9811E9A6C5219C277D625C04E54122D881A601CD0E00C10AF481CB21FAED544FAF4E9B50C59CDE2385644BBF01DDD4F211FE7EE8FAC2; GANYMEDES_COOKIE=D6569887B7C5B67EFE09079DD59A07A98311D7879817C382D79947AE62B5508008C2B2D2112DCFCE5B8D4C61D45A109E61BBA637FD30315C2D8353E8DDFD4309 I also put the exact same settings in both applications' web.config files (self-generated validationKey and decryptionKey).

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• How to add and remove nested model fields dynamically using Haml and Formtastic

  - by Brightbyte8

  We've all seen the brilliant complex forms railscast where Ryan Bates explains how to dynamically add or remove nested objects within the parent object form using Javascript. Has anyone got any ideas about how these methods need to be modified so as to work with Haml Formtastic? To add some context here's a simplified version of the problem I'm currently facing: # Teacher form (which has nested subject forms) [from my application] - semantic_form_for(@teacher) do |form| - form.inputs do = form.input :first_name = form.input :surname = form.input :city = render 'subject_fields', :form => form = link_to_add_fields "Add Subject", form, :subjects # Individual Subject form partial [from my application] - form.fields_for :subjects do |ff| #subject_field = ff.input :name = ff.input :exam = ff.input :level = ff.hidden_field :_destroy = link_to_remove_fields "Remove Subject", ff # Application Helper (straight from Railscasts) def link_to_remove_fields(name, f) f.hidden_field(:_destroy) + link_to_function(name, "remove_fields(this)") end def link_to_add_fields(name, f, association) new_object = f.object.class.reflect_on_association(association).klass.new fields = f.fields_for(association, new_object, :child_index => "new_#{association}") do |builder| render(association.to_s.singularize + "_fields", :f => builder) end link_to_function(name, h("add_fields(this, \"#{association}\", \"#{escape_javascript(fields)} \")")) end #Application.js (straight from Railscasts) function remove_fields(link) { $(link).previous("input[type=hidden]").value = "1"; $(link).up(".fields").hide(); } function add_fields(link, association, content) { var new_id = new Date().getTime(); var regexp = new RegExp("new_" + association, "g") $(link).up().insert({ before: content.replace(regexp, new_id) }); } The problem with implementation seems to be with the javascript methods - the DOM tree of a Formtastic form differs greatly from a regular rails form. I've seen this question asked online a few times but haven't come across an answer yet - now you know that help will be appreciated by more than just me! Jack

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• ClickOnce Deployment Error - Access to the Path is Denied

  - by michael.lukatchik

  I have a WPF app that I'm deploying to a network path using ClickOnce deployment. After the app is deployed to a network location, I use the ClickOnce html page to launch the installation process. I am successfully able to download and install the app. However, my users are not able to download and install the app. When a user navigates to the ClickOnce html page and clicks to begin the installation process, the following error message is received: ERROR SUMMARY Below is a summary of the errors, details of these errors are listed later in the log. * Activation of http://software.mycompany.com/myapp/myapp.application resulted in exception. Following failure messages were detected: + Downloading file://dev/webs/software/myapp/myapp.application did not succeed. * [4/5/2010 1:56:59 PM] System.Deployment.Application.DeploymentDownloadException (Unknown subtype) - Downloading file://dev/Webs/software/myapp/myapp.application did not succeed. All signs point to this being a security issue. So, I've done the following: Ensured that "Everyone" had read access to the files that were being deployed as part of my project Ensured that "Everyone" had read access to the network location where the app was deployed (//dev/webs/software/myapp) Ensured that "Everyone" had read access to the IIS path where the ClickOnce html page is located In each of these cases, I've made no progress in getting the app to successfully deploy via ClickOnce. Again, the odd thing is that I am able to successfully walk through the process of downloading and installing the app. It's my users, though, that need the ability to download and install the app. I've looked extensively on the web for answers, but there hasn't been much. I'd like to resolve the issue without "re-installing" or "rigging" anything. I need a solid answer. Thank you all for your input!! Mike

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• Relative path from an ASP.NET user control NavigateUrl

  - by Daniel Ballinger

  I have a user control that contains a GridView. The GridView has both a HyperLinkField column and a template column that contains a HyperLink control. The ASP.NET project is structured as follows, with the Default.aspx page in each case using the user control. Application Root Controls UserControl with GridView SystemAdminFolder Default.aspx Edit.aspx OrganisationAdminFolder Default.aspx Edit.aspx StandardUserFolder Default.aspx Edit.aspx Note: The folders are being used to ensure the user has the correct role. I need to be able to set the DataNavigateUrlFormatString for the HyperLinkField and the NavigateUrl for the HyperLink to resolve to the Edit.aspx page in the corresponding folder. If I set the navigate URL to "Edit.aspx" the URL in the browser appears as 'http://Application Root/Controls/Edit.aspx' regardless of the originating directory. I can't use the Web application root operator (~/) as the path needs to be relative to the current page, not the application root. How can I use the same user control in multiple folders and resolve the URL to another page in the same folder? Note: The question is strongly based off a similar question by azhar2000s on the asp.net forums that matches my problem.

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• NPTL Default Stack Size Problem

  - by eyazici

  Hello, I am developing a multithread modular application using C programming language and NPTL 2.6. For each plugin, a POSIX thread is created. The problem is each thread has its own stack area, since default stack size depends on user's choice, this may results in huge memory consumption in some cases. To prevent unnecessary memory usage I used something similar to this to change stack size before creating each thread: pthread_attr_t attr; pthread_attr_init (&attr); pthread_attr_getstacksize(&attr, &st1); if(pthread_attr_setstacksize (&attr, MODULE_THREAD_SIZE) != 0) perror("Stack ERR"); pthread_attr_getstacksize(&attr, &st2); printf("OLD:%d, NEW:%d - MIN: %d\n", st1, st2, PTHREAD_STACK_MIN); pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); /* "this" is static data structure that stores plugin related data */ pthread_create(&this->runner, &attr, (void *)(void *)this->run, NULL); EDIT I: pthread_create() section added. This did not work work as I expected, the stack size reported by pthread_attr_getstacksize() is changed but total memory usage of the application (from ps/top/pmap output) did not changed: OLD:10485760, NEW:65536 - MIN: 16384 When I use ulimit -s MY_STACK_SIZE_LIMIT before starting application I achieve the expected result. My questions are: 1-) Is there any portable(between UNIX variants) way to change (default)thread stack size after starting application(before creating thread of course)? 2-) Is it possible to use same stack area for every thread? 3-) Is it possible completely disable stack for threads without much pain?

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• C# - WinForms - Exception Handling for Events

  - by JustLooking

  Hi all, I apologize if this is a simple question (my Google-Fu may be bad today). Imagine this WinForms application, that has this type of design: Main application - shows one dialog - that 1st dialog can show another dialog. Both of the dialogs have OK/Cancel buttons (data entry). I'm trying to figure out some type of global exception handling, along the lines of Application.ThreadException. What I mean is: Each of the dialogs will have a few event handlers. The 2nd dialog may have: private void ComboBox_SelectedIndexChanged(object sender, EventArgs e) { try { AllSelectedIndexChangedCodeInThisFunction(); } catch(Exception ex) { btnOK.enabled = false; // Bad things, let's not let them save // log stuff, and other good things } } Really, all the event handlers in this dialog should be handled in this way. It's an exceptional-case, so I just want to log all the pertinent information, show a message, and disable the okay button for that dialog. But, I want to avoid a try/catch in each event handler (if I could). A draw-back of all these try/catch's is this: private void someFunction() { // If an exception occurs in SelectedIndexChanged, // it doesn't propagate to this function combobox.selectedIndex = 3; } I don't believe that Application.ThreadException is a solution, because I don't want the exception to fall all the way-back to the 1st dialog and then the main app. I don't want to close the app down, I just want to log it, display a message, and let them cancel out of the dialog. They can decide what to do from there (maybe go somewhere else in the app). Basically, a "global handler" in between the 1st dialog and the 2nd (and then, I suppose, another "global handler" in between the main app and the 1st dialog). Thanks.

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• Displaying ppt, doc, and xls in UIWebView doesn't work but pdf does

  - by slugolicious

  It looks like a few people on stackoverflow get this to work but their code isn't posted. I'm using [web loadData:data MIMEType:MIMEType textEncodingName:@"UTF-8" baseURL:nil]; where MIMEType is: @"application/vnd.ms-powerpoint" @"application/vnd.ms-word" @"application/vnd.ms-excel" (BTW, I've seen DOC files use mimetype @"application/msword" but the "vnd" version seems more appropriate. I tried both just in case.) I verified that my 'data' is correct. PDF and TXT files work. When the UIWebView displays PPT, DOC, or XLS files, it's blank. I put NSLOG statements in my UIWebViewDelegate calls. shouldStartLoadWithRequest:<NSMutableURLRequest about:blank> navType:5 webViewDidStartLoad: didFailLoadWithError:Error Domain=NSURLErrorDomain Code=100 UserInfo=0x122503a0 "Operation could not be completed. (NSURLErrorDomain error 100.)" didFailLoadWithError:Error Domain=WebKitErrorDomain Code=102 UserInfo=0x12253840 "Frame load interrupted" so obviously the load is failing, but why? If I change my mimetype to @"text/plain" for a PPT file, the UIWebView loads fine and displays unprintable characters, as expected. That's telling me the 'data' passed to loadData: is ok. Meaning my mimetypes are bad? And just to make sure my PPT, DOC, and XLS files are indeed ok to display, I created a simple html file with anchor tags to the files. When the html file is displayed in Safari on the iPhone, clicking on the files displays correctly in Safari. I tried to research the error code displayed in didFailLoadWithError (100) but all the documented error codes are negative and greater than 1000 (as seen in NSURLError.h). -(void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error { NSLog(@"didFailLoadWithError:%@", error); }

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• import txt files using excel interop in C# (QueryTables.Add)

  - by kite

  Hi all, I am trying to insert text files into excel cell using Querytables.Add; no error, but the worksheet is empty. except for the single cell manipulation using Value2 property. I already using macro to record the object used. Can you help me on this(I am using vs2008, C# , excel 2003 and 2007; both shown empty cell). Below is my code; thanks for your help Application application = new ApplicationClass(); try { object misValue = Missing.Value; wbDoc = application.Workbooks.Open(flnmDoc, misValue, misValue, misValue, misValue, misValue, misValue, misValue, misValue, misValue, misValue, misValue, misValue, misValue, misValue); wsRefDocBudgetOwner = (Worksheet)wbDoc.Worksheets[2]; Range lRange = wsRefDocBudgetOwner.get_Range("B2", "B25"); var temp2 = wsRefDocBudgetOwner.QueryTables; var temp = temp2.Add(@"TEXT;d:\temp\config ssas.txt", lRange, Type.Missing); //temp.RefreshStyle = XlCellInsertionMode.xlInsertDeleteCells; //temp.RefreshOnFileOpen = true; wsRefDocBudgetOwner.get_Range("B1", "B1").Value2 = "Lgfdgast adsffdafadfads"; wbDoc.Save(); //wbDoc.SaveAs(flnmDoc2, misValue, misValue, misValue, misValue, misValue, XlSaveAsAccessMode.xlExclusive, // misValue, misValue, misValue, misValue, misValue); wbDoc.Close(Missing.Value, Missing.Value, Missing.Value); } finally { application.Quit(); }

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• How to get the stacktrace in a mobile device?

  - by Daniel Moura

  I'm getting a NullPointerException in a Nokia S40. I want to know what is causing this exception. The device shows: NullPointerException java/lang/NullPointerException This error only occurs in the device, running in the emulator the application works fine. I use microlog to debug my application. But the application works fine if the log is enabled. Is there a way to get the stack trace when I get this NullPointerException? I don't need all details like the line number just which method cause this exception. UPDATE: I installed the same application in another Nokia S40 and the same error didn't occur. Nokia 2660 - error Nokia 6131 - no error UPDATE 2: Somehow I find what was causing the NullPointerException. import javax.microedition.lcdui.Canvas; import javax.microedition.lcdui.Graphics; public class OuterClass extends Canvas { private Config config; public OuterClass() { this.config = new Config(); } public void paint(Graphics graphics) { HelperClass helper = new HelperClass(this.config); helper.doStuff(); } public void dispose() { this.config = null; } public class Config implements IConfig { public int getSomething() { // ... } } } public class HelperClass { private IConfig config; public HelperClass(IConfig) { this.config = config; } public doStuff() { config.getSomething(); // Here is thrown NullPointerException } } In some situations a thread is started and call the OuterClass.dispose() before the helper.doStuff() causing the NPE. I think when I enabled the log it made the thread slower and helper.doStuff() was called when I expected it to be called.

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• How to express inter project dependencies in Eclipse PDE

  - by Roland Tepp

  I am looking for the best practice of handling inter project dependencies between mixed project types where some of the projects are eclipse plug-in/OSGI bundle projects (an RCP application) and others are just plain old java projects (web services modules). Few of the eclipse plug-ins have dependencies on Java projects. My problem is that at least as far as I've looked, there is no way of cleanly expressing such a dependency in Eclipse PDE environment. I can have plug-in projects depend on other plug-in projects (via Import-Package or Require-Bundle manifest headers), but not of the plain java projects. I seem to be able to have project declare a dependency on a jar from another project in a workspace, but these jar files do not get picked up by neither export nor launch configuration (although, java code editing sees the libraries just fine). The "Java projects" are used for building services to be deployed on an J2EE container (JBoss 4.2.2 for the moment) and produce in some cases multiple jar's - one for deploying to the JBoss ear and another for use by client code (an RCP application). The way we've "solved" this problem for now is that we have 2 more external tools launcher configurations - one for building all the jar's and another for copying these jar's to the plug-in projects. This works (sort of), but the "whole build" and "copy jars" targets incur quite a large build step, bypassing the whole eclipse incremental build feature and by copying the jars instead of just referencing the projects I am decoupling the dependency information and requesting quite a massive workspace refresh that eats up the development time like it was candy. What I would like to have is a much more "natural" workspace setup that would manage dependencies between projects and request incremental rebuilds only as they are needed, be able to use client code from service libraries in an RCP application plug-ins and be able to launch the RCP application with all the necessary classes where they are needed. So can I have my cake and eat it too ;) NOTE To be clear, this is not so much about dependency management and module management at the moment as it is about Eclipse PDE configuration. I am well aware of products like [Maven], [Ivy] and [Buckminster] and they solve a quite different problem (once I've solved the workspace configuration issue, these products can actually come in handy for materializing the workspace and building the product)

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• How to use 3rd party libraries in glassfish?

  - by Hank

  I need to connect to a MongoDB instance from my EJB3 application, running on glassfish 3.0.1. The Mongo project provides a set of drivers, and I'm able to use them in a standalone Java application. How would I use them in a JEE application? Or maybe better phrasing: how would I make a 3rd party library available to my application when it runs in an EJB container? At the moment, I'm getting a java.lang.NoClassDefFoundError when deploying a bean that tries to import from the library: [#|2010-03-24T11:42:15.164+0100|SEVERE|glassfishv3.0|global|_ThreadID=28;_ThreadName=Thread-1;|Class [ com/mongodb/DBObject ] not found. Error while loading [ class mvs.core.LocationCacheService ]|#] [#|2010-03-24T11:42:15.164+0100|WARNING|glassfishv3.0|javax.enterprise.system.tools.deployment.org.glassfish.deployment.common|_ThreadID=28;_ThreadName=Thread-1;|Error in annotation processing: java.lang.NoClassDefFoundError: com/mongodb/DBObject|#] [#|2010-03-24T11:42:15.259+0100|SEVERE|glassfishv3.0|javax.enterprise.system.core.com.sun.enterprise.v3.server|_ThreadID=28;_ThreadName=Thread-1;|Exception while loading the app org.glassfish.deployment.common.DeploymentException: java.lang.NoClassDefFoundError: com/mongodb/DBObject at org.glassfish.weld.WeldDeployer.event(WeldDeployer.java:171) at org.glassfish.kernel.event.EventsImpl.send(EventsImpl.java:125) at org.glassfish.internal.data.ApplicationInfo.load(ApplicationInfo.java:224) at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:338) I tried adding it to the NetBeans project (Properties - Libraries - Compile - Add Jar, enable 'Package'), and I also tried manually copying the jar file to $GF_HOME/glassfish/domains/domain1/lib (where the mysql-connector already resides). Do I need to 'register' the library with the container? Reference it via Annotation? Extend the classpath of the container to include the library?

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• Weird error running com-exposed assembly

  - by Bernabé Panarello

  I am facing the following issue when deploying a com-exposed assembly to my client's. The COM component should be consummed by a vb6 application. Here's how it's done 1) I have one c# project which has a class with a couple of methods exposed to COM 2) The project has references to multiple assemblies 3) I compile the project, generating a folder (named dllcom) that contains the assembly plus all the referenced dlls 4) I include in the folder a .bat which does the following: regasm /u c:\dllcom\LibInsertador.dll del LibInsertador.tlb regasm c:\dllcom\LibInsertador.dll /tlb:c:\dllcom\LibInsertador.tlb /codebase c:\dllcom\ pause 5) After running the bat locally in many workstations of my laboratory, i'm able to consume the generated tlb from my vb6 application without any problems. I'm even able to update the dll by only means of running this bat, without having to recompile the vb6 application. I mean that im not having issues of vb6 fiding and invoking the exposed com object. The problem 6) I send the SAME FOLDER to my client 7) They execute the .bat locally, without any errors 8) They execute the vb6 application, vb6 finds the main assembly, the .net code seems to run correctly (it's even able to generate a log file) until it has to intantiate it's first referenced assembly. Then, they get the following exception: "Could not load type 'GYF.Common.TypeBuilder' from assembly 'GYF_Common, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'." Where "GYF.Common" is an assembly referenced by LibInsertador and TypeBuilder is a class contained in GYF.Common. GYF.Common is not a signed assembly and it's not in the GAC, just in the same folder with Libinsertador. According to .net reflector, the version is correct. ¿Any ideas about what could be happening?

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• Multiple Jira instances on a single Tomcat 6 server?

  - by davidhayes

  I have a feeling this is a stupid question but I can't find the answer anywhere... I need to deploy 2 Jira instances on asingle Tomcat server, I can't figure out how to pass in the jira.home property The documentation says I need to:- Add a web context property called 'jira.home' — this property is set in different files depending on your application server. For example, for Tomcat (and therefore for JIRA Standalone), you will need to configure the server.xml file. For other application servers you may need to configure the web.xml file, or set 'Context parameter' options on the deployment UI of the application server, etc. Note that If you have specified a JIRA home in jira-application.properties (ie. the recommended method), it will override your web context property. I was hoping something like this would work. <Context jira.home="d:/jira/data" path="" docBase="D:\Jira\atlassian-jira-enterprise-4.1\dist-tomcat\tomcat-6\atlassian-jira-4.1.war" debug="0"> <Resource name="jdbc/JiraDS" auth="Container" type="javax.sql.DataSource" username="sa" password="*****" driverClassName="net.sourceforge.jtds.jdbc.Driver" url="jdbc:jtds:sqlserver://*****:1433/jira41_519;user=****;password=****" /> <Resource name="UserTransaction" auth="Container" type="javax.transaction.UserTransaction" factory="org.objectweb.jotm.UserTransactionFactory" jotm.timeout="60"/> <Manager pathname=""/> </Context> Any ideas??

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• ASP.NET Chart Control errors in Event Viewer

  - by Richard Reddy

  Hi, I have been using the ASP.NET chart controls for a while on win2k3 (32bit) setups without any issue but have noticed that on our new win2k8 (64bit) box I am getting a warning message showing up in the event viewer from the chart control. In my web.config file I have the following tag telling the Chart Control where I can store the Temp Files: <add key="ChartImageHandler" value="storage=file;timeout=20;dir=c:\TempImageFiles\;" /> Below is the warning message produced by the control: Event code: 3005 Event message: An unhandled exception has occurred. Event time: 10/7/2009 2:40:03 PM Event time (UTC): 10/7/2009 2:40:03 PM Event ID: 237c3b208962429e8bbc5a48ffd177f0 Event sequence: 2860 Event occurrence: 26 Event detail code: 0 Application information: Application domain: /LM/W3SVC/2/ROOT-1-128993655360497729 Trust level: Full Application Virtual Path: / Application Path: C:\data\sites\mydomain.com\ Machine name: 231692-WEB Process information: Process ID: 4068 Process name: w3wp.exe Account name: NT AUTHORITY\NETWORK SERVICE Exception information: Exception type: ArgumentException Exception message: The image is not found. Request information: Request URL: http://www.mydomain.com/ChartImg.axd?i=chart%5F0%5F3.png&g=bccc8aa11abb470980c60e8cf1e71e15 Request path: /ChartImg.axd User host address: my domain ip User: Is authenticated: False Authentication Type: Thread account name: NT AUTHORITY\NETWORK SERVICE Thread information: Thread ID: 7 Thread account name: NT AUTHORITY\NETWORK SERVICE Is impersonating: False Stack trace: at System.Web.UI.DataVisualization.Charting.ChartHttpHandler.ProcessSavedChartImage(HttpContext context) at System.Web.UI.DataVisualization.Charting.ChartHttpHandler.System.Web.IHttpHandler.ProcessRequest(HttpContext context) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) It's worth pointing out that ALL of the chart images are displayed correctly on the screen so I'm not sure when/where the image not found error is being caused. Is this a 64bit issue? Thanks, Rich

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• How to debug browser crash when running Silverlight app

  - by onedozenbagels

  I am on a team of three people who are developing a Silverlight application. On two of our developers' machines the app seems to randomly crash. It never crashes on the third developer's machine. The nature of the crash is that internet explorer just dies with an "Internet Explorer has stopped working" message. The problem details look like this: Problem Event Name: BEX Application Name: IEXPLORE.EXE Application Version: 8.0.6001.18882 Application Timestamp: 4b3ed243 Fault Module Name: StackHash_2cd8 Fault Module Version: 0.0.0.0 Fault Module Timestamp: 00000000 Exception Offset: 0024df00 Exception Code: c0000005 Exception Data: 00000008 OS Version: 6.0.6002.2.2.0.256.6 Locale ID: 1033 Additional Information 1: 2cd8 Additional Information 2: 0c337fa6c2057a9dbce1860c5e2d8315 Additional Information 3: e13b Additional Information 4: 5da012709e52526a1af19795dc4a33fd Then windows displays this message: "To help protect your computer, Data Execution Prevention has closed Internet Explorer." If I am attached to the app with the Visual Studio debugger the only information I get is this line in the output window: "The program '[2140] iexplore.exe: Silverlight' has exited with code -1073741819 (0xc0000005)." How should I go about debugging this problem? I'm not really sure where to start.

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• Android SMS API

  - by Schildmeijer

  I know that the SMS content provider is not part of the public API (at least not documented), but if I understand correctly it's still possible to use many of the SMS features as long as you know how to use the API(?). E.g it's pretty straightforward to insert an SMS into your inbox: ContentValues values = new ContentValues(); values.put("address", "+457014921911"); contentResolver.insert(Uri.parse("content://sms"), values); Unfortunately this does not trigger the standard "new-SMS-in-your-inbox" notification. Is it possible to trigger this manually? Edit: AFAIK the "standard mail application (Messaging)" in Android is listening for incoming SMSes using the android.permission.RECEIVE_SMS permission. And then, when a new SMS has arrived, a status bar notification is inserted with a "special" notification id. So one solution to my problem (stated above) could be to find, and send the correct broadcast intent; something like "NEW SMS HAS ARRIVED"-intent. Edit: Downloaded a third party messaging application (chompsms) from Android market. This application satisfies my needs better. When i execute the code above the chompsms notice the new sms and shows the "standard status bar notification". So I would say that the standard Android Messaging application is not detecting sms properly? Or am I wrong?

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• General Drools Question

  - by El Guapo

  For the last few months my company has been using a product from a company called Informatica (previously AgentLogic) called RulePoint. This product has proven itself very easy to use with a well-developed and easy-to-use SDK for customization. The way we use the product for CEP is fairly trivial, we have 2 sources which we monitor for our rule data, the first being a JMS Queue, the second being a Jabber IM account. The product runs on any java-based application server (WebLogic, Tomcat, etc) and runs just about flawlessly. Last week my boss says, "Hey, I've heard that we may be able to do the same thing we are doing with RulePoint with an open-source product called Drools. Check it out and let me know what you think." I've heard of people using Drools for flow-based operations (validation, etc), however, I've never heard of anyone using their CEP product (Fusion) in practice. So, being the diligent worker, I have undertaken this task. I've downloaded all the files (version 5.0) and accompanying documentation and have started to read. I've read through just about all the docs and run most of the examples, but I still don't really see HOW drools works for CEP. While there are examples for using Data (or Facts, I guess) from JMS, I don't see how this thing stays "running", continuously monitoring a queue until the application is actually stopped. RulePoint pretty must just sits and listens, however, Drools seems to not. I could probably write a full-blown command-line application for our needs, however, I was hoping to leverage some of the benefits of using a application server provides. I guess I'm looking for some good tutorials or an example of how someone is using Drools and CEP in production. Thanks in advanced for any information, advice you may be able to provide.

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• ASP.NET Applications Requests/Sec suddenly jumps to a value of about 70 million/sec. on 8 core web

  - by Subhrajit Roy

  We are doing performance testing of an ASP.NET web application with VSTS 2008. We start with 2000 users and slowly ramp up to 5000 users (reaches this user load at around 2.5 hours after the tests start, after this we stay at this user load). The total test duration is of about 6 hours During these runs we have found that the counter Requests/Sec (under category ASP.NET applications) suddenly spikes to a values of 36-72 millions !!!. This keeps on happening intermittently i.e we see this issue once in every 3 performance runs that we give on the same application. In our testing environment we have 4 web servers and interestingly enough we have found that this issue occurs only in the 8 core web servers. Summarizing ... Issue : The counter Requests/Sec (under category ASP.NET Applications) suddenly jumps to a value of about 70 million/sec. on 8 core web servers. This results in an increase in SQL server connections opened by the application. Response time goes for a toss. Error rates also show similar behaviour. However the counter ISAPI Extention Requests/sec does not show any abnormal increase. The graph of this counter almost overlaps with that of counter Requests/Sec till the time of the appearance of the spike.When the spike appears , this counter (ISAPI Extention Requests/sec) actually shows a drop. Test Settings : Performance test run with Visual Studio Team System 2008. Soak test run for 6 hours. Maximum user load 5000 users. This is load is attained at about 2.5 hours into the run and mainted for remaining duration.(i.e for around 3.5 more hrs) This issue is reproducible though happens intermittently. (i.e occurs one in three or four runs) Test Environment : Web site deployed on 4 Web Servers (Windows Server 2003). Of these 2 are 4 core machines and the remaining 2 are 8 core ones. .NET Framework 3.5 SP1 installed on all 4 web servers. Application hosted on IIS 6.0 run in Worker process isolation mode.

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• ComboBox exception caused in winforms FormClosing event

  - by Spooky2010

  Using c# vs2008 winforms I have an application with a bunch of child winforms. Each time a form is closed I need to store the current selected value of a combobox that is on each form to a Global application variable so that I can track it and use it in new forms. The combobox is populated on form start via a method to set its datasource to an ArrayList of items What I have found is if the combobox is populated with items in the designer, and you try to get the combobox value in the form closing event, I always get a NullReferenceException. However if the comboBox has an datasource like I DO have in my application and I try to get the combobox value in the form closing event then I would say 95% of the time I DO NOT get the NullReferenceException, but I do get it 5% of the time. That ratio can even vary depending on what computer I run the application on. for example I have 1 computer where the exception always occurs. My question is therefore what is (the best) way to get the value of the combobox, last thing before the form closes without causing the exception. I would def prefer to do it last thing before the form closes rather than track it with every selected index change event. Any advice appreciated.

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• In .net what are the difference between Eventlog and ManagementObject for retriving logs from remote

  - by Mitesh Patel

  I have found out following two ways for getting Application Event log entries from remote server. 1. Using EventLog object string logType = "Application"; EventLog ev = new EventLog(logType,"rspl200"); EventLogEntryCollection evColl = ev.Entries 2. Using ManagementObjectSearcher object ConnectionOptions co = new ConnectionOptions(); co.Username = "testA"; co.Password = "testA"; ManagementScope scope = new ManagementScope(@"\" + "machineName"+ @"\root\cimv2", co); scope.Connect(); SelectQuery query = new SelectQuery(@"select * from Win32_NtLogEvent"); EnumerationOptions opt = new EnumerationOptions(); opt.BlockSize = 1000; using (ManagementObjectSearcher searcher = new ManagementObjectSearcher(scope, query,opt)) { foreach (ManagementObject mo in searcher.Get()) { // write down log entries Console.Writeline(mo["EventCode"]); } } I can easily get remote eventlog using method #1 (Using EventLog object) without any security access denied exception. But using method #2 (Using ManagementObjectSearcher object) i get access denied exception. Actually I want remote event log (only application and also latest log not all application logs) to be displayed in treeview like below - ServerName - Logs + Error + Information + Warning Can anybody help me in this to find out best way from this or any other? Also the main thing is that user who reads remote logs may be in different domain than server. Thanks Mitesh Patel

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• Printing from web pages (reports especially) with greater precision.

  - by Kabeer

  Hello. I am re-engineering a windows application to be ported to web. One area that has been worrying is 'printing'. The application is data intensive and complex reports need to be generated. The erstwhile windows application takes advantage of printer APIs and extends sophisticated control to the users. It supports functions like page break, avoiding printing on printed parts of the sheet (like letterhead), choice of layouts and orientation, etc. Please note that these setting are not done only while printing, they are part of report definition sometimes. From what I know, we cannot have this kind of control while printing web pages. I am in a process of identifying options at my disposal. While I prefer to first look into something that will help me print from raw web pages, following are other thoughts: Since reports can also be exported to .xls & .pdf versions, let user download one and print directly. This however limits my solution to the area of application that have export feature. Use Silverlight (4.0) for report layout definition and print. I think Silverlight 4.0 (in beta right now) provides adequate control over the printer. I have so far been avoiding the need of any RIA plugin. Meticulously generate reports on web with fixed dimensions. I am not sure how far this will go. Please share practices that can be applied easily in my scenario.

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• Are there any applications written in the Io programming language? (Or, distributing Io applications

  - by Rayne

  I've recently become interested in prototype-based OOP, and I've been playing with Io and Ioke. Distributing an application with Ioke is simple. It's on the JVM. Need I say more? However, I'm absolutely stumped as to how one would distribute an Io application, especially on Windows. It's not like you can have end-users compile Io to run your application. I was actually shocked the Io has gone for 8 years without forming some sort of standards for things like distribution. Ruby has gems, Java has jars, and so on. The worse thing about it is, I can't find a single application written in Io to maybe steal ideas on distribution from. Maybe I suck at google searching (Io is a horrible search name, by the way ;P). Is there any sort of canonical way to distribute Io applications? Are there even any Io applications in existence, or am I just missing the point? I'm not sure if this should be community wiki or not. If you think it should, comment and let me know.

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