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• WCF REST Service Activation Errors when AspNetCompatibility is enabled

  - by Rick Strahl

  I’m struggling with an interesting problem with WCF REST since last night and I haven’t been able to track this down. I have a WCF REST Service set up and when accessing the .SVC file it crashes with a version mismatch for System.ServiceModel: Server Error in '/AspNetClient' Application. Could not load type 'System.ServiceModel.Activation.HttpHandler' from assembly 'System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.TypeLoadException: Could not load type 'System.ServiceModel.Activation.HttpHandler' from assembly 'System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [TypeLoadException: Could not load type 'System.ServiceModel.Activation.HttpHandler' from assembly 'System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.] System.RuntimeTypeHandle.GetTypeByName(String name, Boolean throwOnError, Boolean ignoreCase, Boolean reflectionOnly, StackCrawlMarkHandle stackMark, Boolean loadTypeFromPartialName, ObjectHandleOnStack type) +0 System.RuntimeTypeHandle.GetTypeByName(String name, Boolean throwOnError, Boolean ignoreCase, Boolean reflectionOnly, StackCrawlMark& stackMark, Boolean loadTypeFromPartialName) +95 System.RuntimeType.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase, Boolean reflectionOnly, StackCrawlMark& stackMark) +54 System.Type.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase) +65 System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase) +69 System.Web.Configuration.HandlerFactoryCache.GetTypeWithAssert(String type) +38 System.Web.Configuration.HandlerFactoryCache.GetHandlerType(String type) +13 System.Web.Configuration.HandlerFactoryCache..ctor(String type) +19 System.Web.HttpApplication.GetFactory(String type) +81 System.Web.MaterializeHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +223 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +184 Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1 What’s really odd about this is that it crashes only if it runs inside of IIS (it works fine in Cassini) and only if ASP.NET Compatibility is enabled in web.config:<serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="true" /> Arrrgh!!!!! After some experimenting and some help from Glenn Block and his team mates I was able to track down the problem in ApplicationHost.config. Specifically the problem was that there were multiple *.svc mappings in the ApplicationHost.Config file and the older 2.0 runtime specific versions weren’t marked for the proper runtime. Because these handlers show up at the top of the list they execute first resulting in assembly load errors for the wrong version assembly. To fix this problem I ended up making a couple changes in applicationhost.config. On the machine level root’s Handler mappings I had an entry that looked like this:<add name="svc-Integrated" path="*.svc" verb="*" type="System.ServiceModel.Activation.HttpHandler, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" preCondition="integratedMode" /> and it needs to be changed to this:<add name="svc-Integrated" path="*.svc" verb="*" type="System.ServiceModel.Activation.HttpHandler, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" preCondition="integratedMode,runtimeVersionv2.0" />Notice the explicit runtime version assignment in the preCondition attribute which is key to keep ASP.NET 4.0 from executing that handler. The key here is that the runtime version needs to be set explicitly so that the various *.svc handlers don’t fire only in the order defined which in case of a .NET 4.0 app with the original setting would result in an incompatible version of System.ComponentModel to load.What was really hard to track this down is that even when looking in the debugger when launching the Web app, the AppDomain assembly loads showed System.ServiceModel V4.0 starting up just fine. Apparently the ASP.NET runtime load occurs at a different point and that’s when things break.So how did this break? According to the Microsoft folks it’s some older tools that got installed that change the default service handlers. There’s a blog entry that points at this problem with more detail:http://blogs.iis.net/webtopics/archive/2010/04/28/system-typeloadexception-for-system-servicemodel-activation-httpmodule-in-asp-net-4.aspxNote that I tried running aspnet_regiis and that did not fix the problem for me. I had to manually change the entries in applicationhost.config.   © Rick Strahl, West Wind Technologies, 2005-2011Posted in AJAX   ASP.NET  WCF  

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• Restricting Input in HTML Textboxes to Numeric Values

  - by Rick Strahl

  Ok, here’s a fairly basic one – how to force a textbox to accept only numeric input. Somebody asked me this today on a support call so I did a few quick lookups online and found the solutions listed rather unsatisfying. The main problem with most of the examples I could dig up was that they only include numeric values, but that provides a rather lame user experience. You need to still allow basic operational keys for a textbox – navigation keys, backspace and delete, tab/shift tab and the Enter key - to work or else the textbox will feel very different than a standard text box. Yes there are plug-ins that allow masked input easily enough but most are fixed width which is difficult to do with plain number input. So I took a few minutes to write a small reusable plug-in that handles this scenario. Imagine you have a couple of textboxes on a form like this: <div class="containercontent"> <div class="label">Enter a number:</div> <input type="text" name="txtNumber1" id="txtNumber1" value="" class="numberinput" /> <div class="label">Enter a number:</div> <input type="text" name="txtNumber2" id="txtNumber2" value="" class="numberinput" /> </div> and you want to restrict input to numbers. Here’s a small .forceNumeric() jQuery plug-in that does what I like to see in this case: [Updated thanks to Elijah Manor for a couple of small tweaks for additional keys to check for] <script type="text/javascript"> $(document).ready(function () { $(".numberinput").forceNumeric(); }); // forceNumeric() plug-in implementation jQuery.fn.forceNumeric = function () { return this.each(function () { $(this).keydown(function (e) { var key = e.which || e.keyCode; if (!e.shiftKey && !e.altKey && !e.ctrlKey && // numbers key >= 48 && key <= 57 || // Numeric keypad key >= 96 && key <= 105 || // comma, period and minus key == 190 || key == 188 || key == 109 || // Backspace and Tab and Enter key == 8 || key == 9 || key == 13 || // Home and End key == 35 || key == 36 || // left and right arrows key == 37 || key == 39 || // Del and Ins key == 46 || key == 45) return true; return false; }); }); } </script> With the plug-in in place in your page or an external .js file you can now simply use a selector to apply it: $(".numberinput").forceNumeric(); The plug-in basically goes through each selected element and hooks up a keydown() event handler. When a key is pressed the handler is fired and the keyCode of the event object is sent. Recall that jQuery normalizes the JavaScript Event object between browsers. The code basically white-lists a few key codes and rejects all others. It returns true to indicate the keypress is to go through or false to eat the keystroke and not process it which effectively removes it. Simple and low tech, and it works without too much change of typical text box behavior.© Rick Strahl, West Wind Technologies, 2005-2011Posted in JavaScript  jQuery  HTML  

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• Handling Configuration Changes in Windows Azure Applications

  - by Your DisplayName here!

  While finalizing StarterSTS 1.5, I had a closer look at lifetime and configuration management in Windows Azure. (this is no new information – just some bits and pieces compiled at one single place – plus a bit of reality check) When dealing with lifetime management (and especially configuration changes), there are two mechanisms in Windows Azure – a RoleEntryPoint derived class and a couple of events on the RoleEnvironment class. You can find good documentation about RoleEntryPoint here. The RoleEnvironment class features two events that deal with configuration changes – Changing and Changed. Whenever a configuration change gets pushed out by the fabric controller (either changes in the settings section or the instance count of a role) the Changing event gets fired. The event handler receives an instance of the RoleEnvironmentChangingEventArgs type. This contains a collection of type RoleEnvironmentChange. This in turn is a base class for two other classes that detail the two types of possible configuration changes I mentioned above: RoleEnvironmentConfigurationSettingsChange (configuration settings) and RoleEnvironmentTopologyChange (instance count). The two respective classes contain information about which configuration setting and which role has been changed. Furthermore the Changing event can trigger a role recycle (aka reboot) by setting EventArgs.Cancel to true. So your typical job in the Changing event handler is to figure if your application can handle these configuration changes at runtime, or if you rather want a clean restart. Prior to the SDK 1.3 VS Templates – the following code was generated to reboot if any configuration settings have changed: private void RoleEnvironmentChanging(object sender, RoleEnvironmentChangingEventArgs e) {     // If a configuration setting is changing     if (e.Changes.Any(change => change is RoleEnvironmentConfigurationSettingChange))     {         // Set e.Cancel to true to restart this role instance         e.Cancel = true;     } } This is a little drastic as a default since most applications will work just fine with changed configuration – maybe that’s the reason this code has gone away in the 1.3 SDK templates (more). The Changed event gets fired after the configuration changes have been applied. Again the changes will get passed in just like in the Changing event. But from this point on RoleEnvironment.GetConfigurationSettingValue() will return the new values. You can still decide to recycle if some change was so drastic that you need a restart. You can use RoleEnvironment.RequestRecycle() for that (more). As a rule of thumb: When you always use GetConfigurationSettingValue to read from configuration (and there is no bigger state involved) – you typically don’t need to recycle. In the case of StarterSTS, I had to abstract away the physical configuration system and read the actual configuration (either from web.config or the Azure service configuration) at startup. I then cache the configuration settings in memory. This means I indeed need to take action when configuration changes – so in my case I simply clear the cache, and the new config values get read on the next access to my internal configuration object. No downtime – nice! Gotcha A very natural place to hook up the RoleEnvironment lifetime events is the RoleEntryPoint derived class. But with the move to the full IIS model in 1.3 – the RoleEntryPoint methods get executed in a different AppDomain (even in a different process) – see here.. You might no be able to call into your application code to e.g. clear a cache. Keep that in mind! In this case you need to handle these events from e.g. global.asax.

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• RemoveHandler Issues with Custom Events

  - by Jeff Certain

  This is a case of things being more complicated that I thought they should be. Since it took a while to figure this one out, I thought it was worth explaining and putting all of the pieces to the answer in one spot. Let me set the stage. Architecturally, I have the notion of generic producers and consumers. These put items onto, and remove items from, a queue. This provides a generic, thread-safe mechanism to load balance the creation and processing of work items in our application. Part of the IProducer(Of T) interface is: 1: Public Interface IProducer(Of T) 2: Event ItemProduced(ByVal sender As IProducer(Of T), ByVal item As T) 3: Event ProductionComplete(ByVal sender As IProducer(Of T)) 4: End Interface Nothing sinister there, is there? In order to simplify our developers’ lives, I wrapped the queue with some functionality to manage the produces and consumers. Since the developer can specify the number of producers and consumers that are spun up, the queue code manages adding event handlers as the producers and consumers are instantiated. Now, we’ve been having some memory leaks and, in order to eliminate the possibility that this was caused by weak references to event handles, I wanted to remove them. This is where it got dicey. My first attempt looked like this: 1: For Each producer As P In Producers 2: RemoveHandler producer.ItemProduced, AddressOf ItemProducedHandler 3: RemoveHandler producer.ProductionComplete, AddressOf ProductionCompleteHandler 4: producer.Dispose() 5: Next What you can’t see in my posted code are the warnings this caused. The 'AddressOf' expression has no effect in this context because the method argument to 'AddressOf' requires a relaxed conversion to the delegate type of the event. Assign the 'AddressOf' expression to a variable, and use the variable to add or remove the method as the handler.  Now, what on earth does that mean? Well, a quick Bing search uncovered a whole bunch of talk about delegates. The first solution I found just changed all parameters in the event handler to Object. Sorry, but no. I used generics precisely because I wanted type safety, not because I wanted to use Object. More searching. Eventually, I found this forum post, where Jeff Shan revealed a missing piece of the puzzle. The other revelation came from Lian_ZA in this post. However, these two only hinted at the solution. Trying some of what they suggested led to finally getting an invalid cast exception that revealed the existence of ItemProducedEventHandler. Hold on a minute! I didn’t create that delegate. There’s nothing even close to that name in my code… except the ItemProduced event in the interface. Could it be? Naaaaah. Hmmm…. Well, as it turns out, there is a delegate created by the compiler for each event. By explicitly creating a delegate that refers to the method in question, implicitly cast to the generated delegate type, I was able to remove the handlers: 1: For Each producer As P In Producers 2: Dim _itemProducedHandler As IProducer(Of T).ItemProducedEventHandler = AddressOf ItemProducedHandler 3: RemoveHandler producer.ItemProduced, _itemProducedHandler 4:  5: Dim _productionCompleteHandler As IProducer(Of T).ProductionCompleteEventHandler = AddressOf ProductionCompleteHandler 6: RemoveHandler producer.ProductionComplete, _productionCompleteHandler 7: producer.Dispose() 8: Next That’s “all” it took to finally be able to remove the event handlers and maintain type-safe code. Hopefully, this will save you the same challenges I had in trying to figure out how to fix this issue!

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• Android 1.6: "android.view.WindowManager$BadTokenException: Unable to add window -- token null is no

  - by Dan Monego

  I'm trying to open a dialog window, but every time I try to open it it throws this exception: E/AndroidRuntime( 206): Uncaught handler: thread main exiting due to uncaught exception E/AndroidRuntime( 206): android.view.WindowManager$BadTokenException: Unable to add window -- token null is not for an application E/AndroidRuntime( 206): at android.view.ViewRoot.setView(ViewRoot.java:460) E/AndroidRuntime( 206): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:177) E/AndroidRuntime( 206): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91) E/AndroidRuntime( 206): at android.app.Dialog.show(Dialog.java:238) E/AndroidRuntime( 206): at android.app.Activity.showDialog(Activity.java:2413) I'm creating it by calling showDialog with the display's id. The onCreateDialog handler logs fine and I can step through it without an issue, but I've attached since it seems like I'm missing something in it: @Override public Dialog onCreateDialog(int id) { Dialog dialog; Context appContext = this.getApplicationContext(); switch(id) { case RENAME_DIALOG_ID: Log.i("Edit", "Creating rename dialog..."); dialog = new Dialog(appContext); dialog.setContentView(R.layout.rename); dialog.setTitle("Rename " + noteName); break; default: dialog = null; break; } return dialog; } Is there something missing from this? Some questions have talked about having this problem when creating a dialog from onCreate, which happen because the activity isn't created yet, but this is coming from a call from a menu object, and the appContext variable seems like it is correctly populated in the debugger.

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• android View not attached to window manager...

  - by Daniel Benedykt

  Hi I am having some of the following exceptions: java.lang.IllegalArgumentException: View not attached to window manager at android.view.WindowManagerImpl.findViewLocked(WindowManagerImpl.java:355) at android.view.WindowManagerImpl.updateViewLayout(WindowManagerImpl.java:191) at android.view.Window$LocalWindowManager.updateViewLayout(Window.java:428) at android.app.Dialog.onWindowAttributesChanged(Dialog.java:596) at android.view.Window.setDefaultWindowFormat(Window.java:1013) at com.android.internal.policy.impl.PhoneWindow.access$700(PhoneWindow.java:86) at com.android.internal.policy.impl.PhoneWindow$DecorView.drawableChanged(PhoneWindow.java:1951) at com.android.internal.policy.impl.PhoneWindow$DecorView.fitSystemWindows(PhoneWindow.java:1889) at android.view.ViewRoot.performTraversals(ViewRoot.java:727) at android.view.ViewRoot.handleMessage(ViewRoot.java:1633) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:123) at android.app.ActivityThread.main(ActivityThread.java:4338) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:521) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) at dalvik.system.NativeStart.main(Native Method) I have google it and see that it has something to do with popups and turning the screen, but there is no reference to my code. The questions are: 1) is there a way to find out exactly when this issue is happening? 2) other than turning the screen, is there another event or action that triggers this error? 3) how do I prevent this to happen? Thanks

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• Activation Error while testing Exception Handling Application Block

  - by CletusLoomis

  I'm getting the following error while testing my EHAB implementation: {"Activation error occured while trying to get instance of type ExceptionPolicyImpl, key "LogPolicy""} System.Exception Stack Trace: StackTrace " at Microsoft.Practices.ServiceLocation.ServiceLocatorImplBase.GetInstance(Type serviceType, String key) in c:\Home\Chris\Projects\CommonServiceLocator\main\Microsoft.Practices.ServiceLocation\ServiceLocatorImplBase.cs:line 53 at Microsoft.Practices.ServiceLocation.ServiceLocatorImplBase.GetInstance[TService](String key) in c:\Home\Chris\Projects\CommonServiceLocator\main\Microsoft.Practices.ServiceLocation\ServiceLocatorImplBase.cs:line 103 at Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicy.GetExceptionPolicy(Exception exception, String policyName) in e:\Builds\EntLib\Latest\Source\Blocks\ExceptionHandling\Src\ExceptionHandling\ExceptionPolicy.cs:line 131 at Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicy.HandleException(Exception exceptionToHandle, String policyName) in e:\Builds\EntLib\Latest\Source\Blocks\ExceptionHandling\Src\ExceptionHandling\ExceptionPolicy.cs:line 55 at Blackbox.Exception.ExceptionMain.LogException(Exception pException) in C:_Work_Black Box\Blackbox.Exception\ExceptionMain.vb:line 14 at BlackBox.Business.BusinessMain.TestExceptionHandling() in C:_Work_Black Box\BlackBox.Business\BusinessMain.vb:line 16 at Blackbox.Service.Service1.TestExceptionHandling() in C:_Work_Black Box\Blackbox.Service\Service.svc.vb:line 43" String Inner Exception: InnerException {"Resolution of the dependency failed, type = "Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicyImpl", name = "LogPolicy". Exception occurred while: Calling constructor Microsoft.Practices.EnterpriseLibrary.Logging.TraceListeners.FormattedEventLogTraceListener(System.String source, System.String log, System.String machineName, Microsoft.Practices.EnterpriseLibrary.Logging.Formatters.ILogFormatter formatter). Exception is: ArgumentException - Event log names must consist of printable characters and cannot contain \, *, ?, or spaces At the time of the exception, the container was: Resolving Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicyImpl,LogPolicy Resolving parameter "policyEntries" of constructor Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicyImpl(System.String policyName, System.Collections.Generic.IEnumerable1[[Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicyEntry, Microsoft.Practices.EnterpriseLibrary.ExceptionHandling, Version=5.0.414.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]] policyEntries) Resolving Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicyEntry,LogPolicy.All Exceptions Resolving parameter "handlers" of constructor Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicyEntry(System.Type exceptionType, Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.PostHandlingAction postHandlingAction, System.Collections.Generic.IEnumerable1[[Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.IExceptionHandler, Microsoft.Practices.EnterpriseLibrary.ExceptionHandling, Version=5.0.414.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]] handlers, Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.Instrumentation.IExceptionHandlingInstrumentationProvider instrumentationProvider) Resolving Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.Logging.LoggingExceptionHandler,LogPolicy.All Exceptions.Logging Exception Handler (mapped from Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.IExceptionHandler, LogPolicy.All Exceptions.Logging Exception Handler) Resolving parameter "writer" of constructor Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.Logging.LoggingExceptionHandler(System.String logCategory, System.Int32 eventId, System.Diagnostics.TraceEventType severity, System.String title, System.Int32 priority, System.Type formatterType, Microsoft.Practices.EnterpriseLibrary.Logging.LogWriter writer) Resolving Microsoft.Practices.EnterpriseLibrary.Logging.LogWriterImpl,LogWriter.default (mapped from Microsoft.Practices.EnterpriseLibrary.Logging.LogWriter, (none)) Resolving parameter "structureHolder" of constructor Microsoft.Practices.EnterpriseLibrary.Logging.LogWriterImpl(Microsoft.Practices.EnterpriseLibrary.Logging.LogWriterStructureHolder structureHolder, Microsoft.Practices.EnterpriseLibrary.Logging.Instrumentation.ILoggingInstrumentationProvider instrumentationProvider, Microsoft.Practices.EnterpriseLibrary.Logging.ILoggingUpdateCoordinator updateCoordinator) Resolving Microsoft.Practices.EnterpriseLibrary.Logging.LogWriterStructureHolder,LogWriterStructureHolder.default (mapped from Microsoft.Practices.EnterpriseLibrary.Logging.LogWriterStructureHolder, (none)) Resolving parameter "traceSources" of constructor Microsoft.Practices.EnterpriseLibrary.Logging.LogWriterStructureHolder(System.Collections.Generic.IEnumerable1[[Microsoft.Practices.EnterpriseLibrary.Logging.Filters.ILogFilter, Microsoft.Practices.EnterpriseLibrary.Logging, Version=5.0.414.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]] filters, System.Collections.Generic.IEnumerable1[[System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]] traceSourceNames, System.Collections.Generic.IEnumerable1[[Microsoft.Practices.EnterpriseLibrary.Logging.LogSource, Microsoft.Practices.EnterpriseLibrary.Logging, Version=5.0.414.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]] traceSources, Microsoft.Practices.EnterpriseLibrary.Logging.LogSource allEventsTraceSource, Microsoft.Practices.EnterpriseLibrary.Logging.LogSource notProcessedTraceSource, Microsoft.Practices.EnterpriseLibrary.Logging.LogSource errorsTraceSource, System.String defaultCategory, System.Boolean tracingEnabled, System.Boolean logWarningsWhenNoCategoriesMatch, System.Boolean revertImpersonation) Resolving Microsoft.Practices.EnterpriseLibrary.Logging.LogSource,General Resolving parameter "traceListeners" of constructor Microsoft.Practices.EnterpriseLibrary.Logging.LogSource(System.String name, System.Collections.Generic.IEnumerable1[[System.Diagnostics.TraceListener, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]] traceListeners, System.Diagnostics.SourceLevels level, System.Boolean autoFlush, Microsoft.Practices.EnterpriseLibrary.Logging.Instrumentation.ILoggingInstrumentationProvider instrumentationProvider) Resolving Microsoft.Practices.EnterpriseLibrary.Logging.TraceListeners.ReconfigurableTraceListenerWrapper,Event Log Listener (mapped from System.Diagnostics.TraceListener, Event Log Listener) Resolving parameter "wrappedTraceListener" of constructor Microsoft.Practices.EnterpriseLibrary.Logging.TraceListeners.ReconfigurableTraceListenerWrapper(System.Diagnostics.TraceListener wrappedTraceListener, Microsoft.Practices.EnterpriseLibrary.Logging.ILoggingUpdateCoordinator coordinator) Resolving Microsoft.Practices.EnterpriseLibrary.Logging.TraceListeners.FormattedEventLogTraceListener,Event Log Listener?implementation (mapped from System.Diagnostics.TraceListener, Event Log Listener?implementation) Calling constructor Microsoft.Practices.EnterpriseLibrary.Logging.TraceListeners.FormattedEventLogTraceListener(System.String source, System.String log, System.String machineName, Microsoft.Practices.EnterpriseLibrary.Logging.Formatters.ILogFormatter formatter) "} System.Exception My web.config is as follows: <?xml version="1.0"?> <configuration> <configSections> <section name="loggingConfiguration" type="Microsoft.Practices.EnterpriseLibrary.Logging.Configuration.LoggingSettings, Microsoft.Practices.EnterpriseLibrary.Logging, Version=5.0.414.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" requirePermission="true" /> <section name="exceptionHandling" type="Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.Configuration.ExceptionHandlingSettings, Microsoft.Practices.EnterpriseLibrary.ExceptionHandling, Version=5.0.414.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" requirePermission="true" /> </configSections> <loggingConfiguration name="" tracingEnabled="true" defaultCategory="General"> <listeners> <add name="Event Log Listener" type="Microsoft.Practices.EnterpriseLibrary.Logging.TraceListeners.FormattedEventLogTraceListener, Microsoft.Practices.EnterpriseLibrary.Logging, Version=5.0.414.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" listenerDataType="Microsoft.Practices.EnterpriseLibrary.Logging.Configuration.FormattedEventLogTraceListenerData, Microsoft.Practices.EnterpriseLibrary.Logging, Version=5.0.414.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" source="Enterprise Library Logging" formatter="Text Formatter" log="C:\Blackbox.log" machineName="." traceOutputOptions="LogicalOperationStack, DateTime, Timestamp, Callstack" /> </listeners> <formatters> <add type="Microsoft.Practices.EnterpriseLibrary.Logging.Formatters.TextFormatter, Microsoft.Practices.EnterpriseLibrary.Logging, Version=5.0.414.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" template="Timestamp: {timestamp}{newline}&#xA;Message: {message}{newline}&#xA;Category: {category}{newline}&#xA;Priority: {priority}{newline}&#xA;EventId: {eventid}{newline}&#xA;Severity: {severity}{newline}&#xA;Title:{title}{newline}&#xA;Machine: {localMachine}{newline}&#xA;App Domain: {localAppDomain}{newline}&#xA;ProcessId: {localProcessId}{newline}&#xA;Process Name: {localProcessName}{newline}&#xA;Thread Name: {threadName}{newline}&#xA;Win32 ThreadId:{win32ThreadId}{newline}&#xA;Extended Properties: {dictionary({key} - {value}{newline})}" name="Text Formatter" /> </formatters> <categorySources> <add switchValue="All" name="General"> <listeners> <add name="Event Log Listener" /> </listeners> </add> </categorySources> <specialSources> <allEvents switchValue="All" name="All Events" /> <notProcessed switchValue="All" name="Unprocessed Category" /> <errors switchValue="All" name="Logging Errors &amp; Warnings"> <listeners> <add name="Event Log Listener" /> </listeners> </errors> </specialSources> </loggingConfiguration> <exceptionHandling> <exceptionPolicies> <add name="LogPolicy"> <exceptionTypes> <add name="All Exceptions" type="System.Exception, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" postHandlingAction="NotifyRethrow"> <exceptionHandlers> <add name="Logging Exception Handler" type="Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.Logging.LoggingExceptionHandler, Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.Logging, Version=5.0.414.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" logCategory="General" eventId="100" severity="Error" title="Enterprise Library Exception Handling" formatterType="Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.TextExceptionFormatter, Microsoft.Practices.EnterpriseLibrary.ExceptionHandling" priority="0" /> </exceptionHandlers> </add> </exceptionTypes> </add> <add name="WcfExceptionShielding"> <exceptionTypes> <add name="InvalidOperationException" type="System.InvalidOperationException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" postHandlingAction="ThrowNewException"> <exceptionHandlers> <add type="Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.WCF.FaultContractExceptionHandler, Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.WCF, Version=5.0.414.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" exceptionMessageResourceType="" exceptionMessageResourceName="This is the message" exceptionMessage="This is the exception" faultContractType="Blackbox.Service.WCFFault, Blackbox.Service, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" name="Fault Contract Exception Handler"> <mappings> <add source="{Guid}" name="Id" /> <add source="{Message}" name="MessageText" /> </mappings> </add> </exceptionHandlers> </add> </exceptionTypes> </add> </exceptionPolicies> </exceptionHandling> <connectionStrings> <add name="CompassEntities" connectionString="metadata=~\bin\CompassModel.csdl|~\bin\CompassModel.ssdl|~\bin\CompassModel.msl;provider=Devart.Data.Oracle;provider connection string=&quot;User Id=foo;Password=foo;Server=foo64mo;Home=OraClient11g_home1;Persist Security Info=True&quot;" providerName="System.Data.EntityClient" /> <add name="BlackboxEntities" connectionString="metadata=~\bin\BlackboxModel.csdl|~\bin\BlackboxModel.ssdl|~\bin\BlackboxModel.msl;provider=System.Data.SqlClient;provider connection string=&quot;Data Source=sqldev1\cps;Initial Catalog=FundServ;Integrated Security=True;MultipleActiveResultSets=True&quot;" providerName="System.Data.EntityClient" /> </connectionStrings> <system.web> <compilation debug="true" strict="false" explicit="true" targetFramework="4.0" /> </system.web> <system.serviceModel> <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 --> <serviceDebug includeExceptionDetailInFaults="false"/> </behavior> </serviceBehaviors> </behaviors> <serviceHostingEnvironment multipleSiteBindingsEnabled="true" /> </system.serviceModel> <system.webServer> <modules runAllManagedModulesForAllRequests="true"/> </system.webServer> </configuration> My code is as follows: Public Shared Function LogException(ByVal pException As System.Exception) As Boolean Return ExceptionPolicy.HandleException(pException, "LogPolicy") End Function Any assistance is appreciated.

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• java.lang.ClassCastException: java.lang.Integer cannot be cast to java.util.HashMap

  - by kongkea

  I've got this Error When I click listview to show full image size. how can i solve it? Error 11-20 10:27:47.039: D/AndroidRuntime(5078): Shutting down VM 11-20 10:27:47.039: W/dalvikvm(5078): threadid=1: thread exiting with uncaught exception (group=0x40c061f8) 11-20 10:27:47.047: E/AndroidRuntime(5078): FATAL EXCEPTION: main 11-20 10:27:47.047: E/AndroidRuntime(5078): java.lang.ClassCastException: java.lang.Integer cannot be cast to java.util.HashMap 11-20 10:27:47.047: E/AndroidRuntime(5078): at com.example.mylistview.MainActivity$1.onItemClick(MainActivity.java:103) 11-20 10:27:47.047: E/AndroidRuntime(5078): at android.widget.AdapterView.performItemClick(AdapterView.java:292) 11-20 10:27:47.047: E/AndroidRuntime(5078): at android.widget.AbsListView.performItemClick(AbsListView.java:1173) 11-20 10:27:47.047: E/AndroidRuntime(5078): at android.widget.AbsListView$PerformClick.run(AbsListView.java:2701) 11-20 10:27:47.047: E/AndroidRuntime(5078): at android.widget.AbsListView$1.run(AbsListView.java:3453) 11-20 10:27:47.047: E/AndroidRuntime(5078): at android.os.Handler.handleCallback(Handler.java:605) 11-20 10:27:47.047: E/AndroidRuntime(5078): at android.os.Handler.dispatchMessage(Handler.java:92) 11-20 10:27:47.047: E/AndroidRuntime(5078): at android.os.Looper.loop(Looper.java:137) 11-20 10:27:47.047: E/AndroidRuntime(5078): at android.app.ActivityThread.main(ActivityThread.java:4514) 11-20 10:27:47.047: E/AndroidRuntime(5078): at java.lang.reflect.Method.invokeNative(Native Method) 11-20 10:27:47.047: E/AndroidRuntime(5078): at java.lang.reflect.Method.invoke(Method.java:511) 11-20 10:27:47.047: E/AndroidRuntime(5078): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:790) 11-20 10:27:47.047: E/AndroidRuntime(5078): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:557) 11-20 10:27:47.047: E/AndroidRuntime(5078): at dalvik.system.NativeStart.main(Native Method) MainActivity public class MainActivity extends Activity { public static final int DIALOG_DOWNLOAD_JSON_PROGRESS = 0; private ProgressDialog mProgressDialog; ArrayList<HashMap<String, Object>> MyArrList; @SuppressLint("NewApi") @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // Permission StrictMode if (android.os.Build.VERSION.SDK_INT > 9) { StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build(); StrictMode.setThreadPolicy(policy); } // Download JSON File new DownloadJSONFileAsync().execute(); } @Override protected Dialog onCreateDialog(int id) { switch (id) { case DIALOG_DOWNLOAD_JSON_PROGRESS: mProgressDialog = new ProgressDialog(this); mProgressDialog.setMessage("Downloading....."); mProgressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER); mProgressDialog.setCancelable(true); mProgressDialog.show(); return mProgressDialog; default: return null; } } // Show All Content public void ShowAllContent() { // listView1 final ListView lstView1 = (ListView)findViewById(R.id.listView1); lstView1.setAdapter(new ImageAdapter(MainActivity.this,MyArrList)); lstView1.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View v, int position, long id) { HashMap<String, Object> hm = (HashMap<String, Object>) lstView1.getAdapter().getItem(position); String imagePath = (String) hm.get("photo"); Intent i = new Intent(MainActivity.this,FullImageActivity.class); i.putExtra("fullImage", imagePath); startActivity(i); } }); } public class ImageAdapter extends BaseAdapter { private Context context; private ArrayList<HashMap<String, Object>> MyArr = new ArrayList<HashMap<String, Object>>(); public ImageAdapter(Context c, ArrayList<HashMap<String, Object>> myArrList) { // TODO Auto-generated method stub context = c; MyArr = myArrList; } public int getCount() { // TODO Auto-generated method stub return MyArr.size(); } public Object getItem(int position) { // TODO Auto-generated method stub return position; } public long getItemId(int position) { // TODO Auto-generated method stub return position; } public View getView(int position, View convertView, ViewGroup parent) { // TODO Auto-generated method stub LayoutInflater inflater = (LayoutInflater) context .getSystemService(Context.LAYOUT_INFLATER_SERVICE); if (convertView == null) { convertView = inflater.inflate(R.layout.activity_column, null); } // ColImage ImageView imageView = (ImageView) convertView.findViewById(R.id.ColImgPath); imageView.getLayoutParams().height = 80; imageView.getLayoutParams().width = 80; imageView.setPadding(5, 5, 5, 5); imageView.setScaleType(ImageView.ScaleType.CENTER_CROP); try { imageView.setImageBitmap((Bitmap)MyArr.get(position).get("ImageThumBitmap")); } catch (Exception e) { // When Error imageView.setImageResource(android.R.drawable.ic_menu_report_image); } // ColImgID TextView txtImgID = (TextView) convertView.findViewById(R.id.ColImgID); txtImgID.setPadding(10, 0, 0, 0); txtImgID.setText("ID : " + MyArr.get(position).get("id").toString()); // ColImgName TextView txtPicName = (TextView) convertView.findViewById(R.id.ColImgName); txtPicName.setPadding(50, 0, 0, 0); txtPicName.setText("Name : " + MyArr.get(position).get("first_name").toString()); return convertView; } } // Download JSON in Background public class DownloadJSONFileAsync extends AsyncTask<String, Void, Void> { protected void onPreExecute() { super.onPreExecute(); showDialog(DIALOG_DOWNLOAD_JSON_PROGRESS); } @Override protected Void doInBackground(String... params) { // TODO Auto-generated method stub String url = "http://192.168.10.104/adchara1/"; JSONArray data; try { data = new JSONArray(getJSONUrl(url)); MyArrList = new ArrayList<HashMap<String, Object>>(); HashMap<String, Object> map; for(int i = 0; i < data.length(); i++){ JSONObject c = data.getJSONObject(i); map = new HashMap<String, Object>(); map.put("id", (String)c.getString("id")); map.put("first_name", (String)c.getString("first_name")); // Thumbnail Get ImageBitmap To Object map.put("photo", (String)c.getString("photo")); map.put("ImageThumBitmap", (Bitmap)loadBitmap(c.getString("photo"))); // Full (for View Popup) map.put("frame", (String)c.getString("frame")); MyArrList.add(map); } } catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } return null; } protected void onPostExecute(Void unused) { ShowAllContent(); // When Finish Show Content dismissDialog(DIALOG_DOWNLOAD_JSON_PROGRESS); removeDialog(DIALOG_DOWNLOAD_JSON_PROGRESS); } } /*** Get JSON Code from URL ***/ public String getJSONUrl(String url) { StringBuilder str = new StringBuilder(); HttpClient client = new DefaultHttpClient(); HttpGet httpGet = new HttpGet(url); try { HttpResponse response = client.execute(httpGet); StatusLine statusLine = response.getStatusLine(); int statusCode = statusLine.getStatusCode(); if (statusCode == 200) { // Download OK HttpEntity entity = response.getEntity(); InputStream content = entity.getContent(); BufferedReader reader = new BufferedReader(new InputStreamReader(content)); String line; while ((line = reader.readLine()) != null) { str.append(line); } } else { Log.e("Log", "Failed to download file.."); } } catch (ClientProtocolException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return str.toString(); } /***** Get Image Resource from URL (Start) *****/ private static final String TAG = "Image"; private static final int IO_BUFFER_SIZE = 4 * 1024; public static Bitmap loadBitmap(String url) { Bitmap bitmap = null; InputStream in = null; BufferedOutputStream out = null; try { in = new BufferedInputStream(new URL(url).openStream(), IO_BUFFER_SIZE); final ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); out = new BufferedOutputStream(dataStream, IO_BUFFER_SIZE); copy(in, out); out.flush(); final byte[] data = dataStream.toByteArray(); BitmapFactory.Options options = new BitmapFactory.Options(); //options.inSampleSize = 1; bitmap = BitmapFactory.decodeByteArray(data, 0, data.length,options); } catch (IOException e) { Log.e(TAG, "Could not load Bitmap from: " + url); } finally { closeStream(in); closeStream(out); } return bitmap; } private static void closeStream(Closeable stream) { if (stream != null) { try { stream.close(); } catch (IOException e) { android.util.Log.e(TAG, "Could not close stream", e); } } } private static void copy(InputStream in, OutputStream out) throws IOException { byte[] b = new byte[IO_BUFFER_SIZE]; int read; while ((read = in.read(b)) != -1) { out.write(b, 0, read); } } /***** Get Image Resource from URL (End) *****/ @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.activity_main, menu); return true; } } FullImageActivity String imagePath = getIntent().getStringExtra("fullImage"); if(imagePath != null && !imagePath.isEmpty()){ File imageFile = new File(imagePath); if(imageFile.exists()){ Bitmap myBitmap = BitmapFactory.decodeFile(imageFile.getAbsolutePath()); ImageView iv = (ImageView) findViewById(R.id.fullimage); iv.setImageBitmap(myBitmap); } }

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• Spring Framework 3 and session attributes

  - by newbie

  I have form object that I set to request in GET request handler in my Spring controller. First time user enters to page, a new form object should be made and set to request. If user sends form, then form object is populated from request and now form object has all user givern attributes. Then form is validated and if validation is ok, then form is saved to database. If form is not validated, I want to save form object to session and then redirect to GET request handling page. When request is redirected to GET handler, then it should check if session contains form object. I have figured out that there is @SessionAttributes("form") annotation in Spring, but for some reason following doesnt work, because at first time, session attribute form is null and it gives error: org.springframework.web.HttpSessionRequiredException: Session attribute 'form' required - not found in session Here is my controller: @RequestMapping(value="form", method=RequestMethod.GET) public ModelAndView viewForm(@ModelAttribute("form") Form form) { ModelAndView mav = new ModelAndView("form"); if(form == null) form = new Form(); mav.addObject("form", form); return mav; } @RequestMapping(value="form", method=RequestMethod.POST) @Transactional(readOnly = true) public ModelAndView saveForm(@ModelAttribute("form") Form form) { FormUtils.populate(form, request); if(form.validate()) { formDao.save(); } else { return viewForm(form); } return null; }

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• Problem with Android emulator

  - by benasio

  Projects do not run, on screen emulator only "ANDROID" WinXP pro SP3/Eclipse Galileo java version "1.6.0_20" Java(TM) SE Runtime Environment (build 1.6.0_20-b02) Java HotSpot(TM) Client VM (build 16.3-b01, mixed mode, sharing) My actions: 1.Start the emulator(Platform:2.1 API Level:7), wait until the window DDMS status will change to ONLINE 2.Launches helloandroid from examples - Run as Android Application Console: Android Launch! [2010-05-03 21:44:34 - HelloAndroid] adb is running normally. [2010-05-03 21:44:34 - HelloAndroid] Performing com.example.helloandroid.HelloAndroid activity launch [2010-05-03 21:44:34 - HelloAndroid] Automatic Target Mode: using existing emulator 'emulator-5554' running compatible AVD 'my_vm' [2010-05-03 21:44:34 - HelloAndroid] WARNING: Application does not specify an API level requirement! [2010-05-03 21:44:34 - HelloAndroid] Device API version is 7 (Android 2.1) [2010-05-03 21:44:34 - HelloAndroid] Uploading HelloAndroid.apk onto device 'emulator-5554' [2010-05-03 21:44:35 - HelloAndroid] Installing HelloAndroid.apk... [2010-05-03 21:45:07 - HelloAndroid] Success! [2010-05-03 21:45:08 - HelloAndroid] Starting activity com.example.helloandroid.HelloAndroid on device [2010-05-03 21:45:28 - HelloAndroid] ActivityManager: DDM dispatch reg wait timeout [2010-05-03 21:45:28 - HelloAndroid] ActivityManager: Can't dispatch DDM chunk 52454151: no handler defined [2010-05-03 21:45:28 - HelloAndroid] ActivityManager: Can't dispatch DDM chunk 48454c4f: no handler defined [2010-05-03 21:45:28 - HelloAndroid] ActivityManager: Can't dispatch DDM chunk 46454154: no handler defined [2010-05-03 21:45:28 - HelloAndroid] ActivityManager: Can't dispatch DDM chunk 4d505251: no handler defined [2010-05-03 21:45:52 - HelloAndroid] Device not ready. Waiting 3 seconds before next attempt. [2010-05-03 21:45:52 - HelloAndroid] ActivityManager: android.util.AndroidException: Can't connect to activity manager; is the system running? [2010-05-03 21:45:55 - HelloAndroid] Starting activity com.example.helloandroid.HelloAndroid on device [2010-05-03 21:46:11 - HelloAndroid] ActivityManager: DDM dispatch reg wait timeout ...... DDMS console (only errors and warnings) 05-03 17:43:52.437: ERROR/vold(26): Error opening switch name path '/sys/class/switch/test2' (No such file or directory) 05-03 17:43:52.437: ERROR/vold(26): Error bootstrapping switch '/sys/class/switch/test2' (No such file or directory) 05-03 17:43:52.437: ERROR/vold(26): Error opening switch name path '/sys/class/switch/test' (No such file or directory) 05-03 17:43:52.437: ERROR/vold(26): Error bootstrapping switch '/sys/class/switch/test' (No such file or directory) 05-03 17:48:34.036: WARN/Zygote(29): Preloaded drawable resource #0x1080093 (res/drawable-mdpi/sym_def_app_icon.png) that varies with configuration!! 05-03 17:48:34.406: WARN/Zygote(29): Preloaded drawable resource #0x1080002 (res/drawable-mdpi/arrow_down_float.png) that varies with configuration!! 05-03 17:48:35.836: WARN/Zygote(29): Preloaded drawable resource #0x10800b4 (res/drawable/btn_check.xml) that varies with configuration!! 05-03 17:48:36.076: WARN/Zygote(29): Preloaded drawable resource #0x10800b7 (res/drawable-mdpi/btn_check_label_background.9.png) that varies with configuration!! 05-03 17:48:36.106: WARN/Zygote(29): Preloaded drawable resource #0x10800b8 (res/drawable-mdpi/btn_check_off.png) that varies with configuration!! 05-03 17:48:36.147: WARN/Zygote(29): Preloaded drawable resource #0x10800bd (res/drawable-mdpi/btn_check_on.png) that varies with configuration!! 05-03 17:48:36.437: WARN/Zygote(29): Preloaded drawable resource #0x1080004 (res/drawable/btn_default.xml) that varies with configuration!! 05-03 17:48:36.716: WARN/Zygote(29): Preloaded drawable resource #0x1080005 (res/drawable/btn_default_small.xml) that varies with configuration!! 05-03 17:48:36.966: WARN/Zygote(29): Preloaded drawable resource #0x1080006 (res/drawable/btn_dropdown.xml) that varies with configuration!! 05-03 17:48:37.326: WARN/Zygote(29): Preloaded drawable resource #0x1080008 (res/drawable/btn_plus.xml) that varies with configuration!! 05-03 17:48:37.707: WARN/Zygote(29): Preloaded drawable resource #0x1080007 (res/drawable/btn_minus.xml) that varies with configuration!! 05-03 17:48:38.057: WARN/Zygote(29): Preloaded drawable resource #0x1080009 (res/drawable/btn_radio.xml) that varies with configuration!! 05-03 17:48:38.776: WARN/Zygote(29): Preloaded drawable resource #0x108000a (res/drawable/btn_star.xml) that varies with configuration!! 05-03 17:48:39.327: WARN/Zygote(29): Preloaded drawable resource #0x1080125 (res/drawable/btn_toggle.xml) that varies with configuration!! 05-03 17:48:39.416: WARN/Zygote(29): Preloaded drawable resource #0x1080187 (res/drawable-mdpi/ic_emergency.png) that varies with configuration!! 05-03 17:48:39.506: WARN/Zygote(29): Preloaded drawable resource #0x1080012 (res/drawable-mdpi/divider_horizontal_bright.9.png) that varies with configuration!! 05-03 17:48:39.576: WARN/Zygote(29): Preloaded drawable resource #0x1080014 (res/drawable-mdpi/divider_horizontal_dark.9.png) that varies with configuration!! 05-03 17:48:40.126: WARN/Zygote(29): Preloaded drawable resource #0x1080016 (res/drawable/edit_text.xml) that varies with configuration!! 05-03 17:48:40.507: WARN/Zygote(29): Preloaded drawable resource #0x1080161 (res/drawable/expander_group.xml) that varies with configuration!! 05-03 17:48:41.036: WARN/Zygote(29): Preloaded drawable resource #0x1080062 (res/drawable/list_selector_background.xml) that varies with configuration!! 05-03 17:48:41.177: WARN/Zygote(29): Preloaded drawable resource #0x1080217 (res/drawable-mdpi/menu_background.9.png) that varies with configuration!! 05-03 17:48:41.256: WARN/Zygote(29): Preloaded drawable resource #0x1080218 (res/drawable-mdpi/menu_background_fill_parent_width.9.png) that varies with configuration!! 05-03 17:48:41.567: WARN/Zygote(29): Preloaded drawable resource #0x1080219 (res/drawable/menu_selector.xml) that varies with configuration!! 05-03 17:48:41.706: WARN/Zygote(29): Preloaded drawable resource #0x1080224 (res/drawable-mdpi/panel_background.9.png) that varies with configuration!! 05-03 17:48:41.849: WARN/Zygote(29): Preloaded drawable resource #0x108022e (res/drawable-mdpi/popup_bottom_bright.9.png) that varies with configuration!! 05-03 17:48:42.026: WARN/Zygote(29): Preloaded drawable resource #0x108022f (res/drawable-mdpi/popup_bottom_dark.9.png) that varies with configuration!! 05-03 17:48:42.156: WARN/Zygote(29): Preloaded drawable resource #0x1080230 (res/drawable-mdpi/popup_bottom_medium.9.png) that varies with configuration!! 05-03 17:48:42.276: WARN/Zygote(29): Preloaded drawable resource #0x1080231 (res/drawable-mdpi/popup_center_bright.9.png) that varies with configuration!! 05-03 17:48:42.376: WARN/Zygote(29): Preloaded drawable resource #0x1080232 (res/drawable-mdpi/popup_center_dark.9.png) that varies with configuration!! 05-03 17:48:42.507: WARN/Zygote(29): Preloaded drawable resource #0x1080235 (res/drawable-mdpi/popup_full_dark.9.png) that varies with configuration!! 05-03 17:48:42.606: WARN/Zygote(29): Preloaded drawable resource #0x1080238 (res/drawable-mdpi/popup_top_bright.9.png) that varies with configuration!! 05-03 17:48:42.696: WARN/Zygote(29): Preloaded drawable resource #0x1080239 (res/drawable-mdpi/popup_top_dark.9.png) that varies with configuration!! 05-03 17:48:42.946: WARN/Zygote(29): Preloaded drawable resource #0x108006d (res/drawable/progress_indeterminate_horizontal.xml) that varies with configuration!! 05-03 17:48:43.076: WARN/Zygote(29): Preloaded drawable resource #0x108023f (res/drawable/progress_small.xml) that varies with configuration!! 05-03 17:48:43.456: WARN/Zygote(29): Preloaded drawable resource #0x1080240 (res/drawable/progress_small_titlebar.xml) that varies with configuration!! 05-03 17:48:43.957: WARN/Zygote(29): Preloaded drawable resource #0x1080262 (res/drawable-mdpi/scrollbar_handle_horizontal.9.png) that varies with configuration!! 05-03 17:48:44.036: WARN/Zygote(29): Preloaded drawable resource #0x1080263 (res/drawable-mdpi/scrollbar_handle_vertical.9.png) that varies with configuration!! 05-03 17:48:44.176: WARN/Zygote(29): Preloaded drawable resource #0x1080071 (res/drawable/spinner_dropdown_background.xml) that varies with configuration!! 05-03 17:48:44.317: WARN/Zygote(29): Preloaded drawable resource #0x1080326 (res/drawable-mdpi/title_bar_shadow.9.png) that varies with configuration!! 05-03 17:48:44.496: WARN/Zygote(29): Preloaded drawable resource #0x10801c6 (res/drawable-mdpi/indicator_code_lock_drag_direction_green_up.png) that varies with configuration!! 05-03 17:48:44.607: WARN/Zygote(29): Preloaded drawable resource #0x10801c7 (res/drawable-mdpi/indicator_code_lock_drag_direction_red_up.png) that varies with configuration!! 05-03 17:48:45.956: WARN/Zygote(29): Preloaded drawable resource #0x10801c8 (res/drawable-mdpi/indicator_code_lock_point_area_default.png) that varies with configuration!! 05-03 17:48:46.407: WARN/Zygote(29): Preloaded drawable resource #0x10801c9 (res/drawable-mdpi/indicator_code_lock_point_area_green.png) that varies with configuration!! 05-03 17:48:46.696: WARN/Zygote(29): Preloaded drawable resource #0x10801ca (res/drawable-mdpi/indicator_code_lock_point_area_red.png) that varies with configuration!! 05-03 17:48:56.307: ERROR/BatteryService(170): usbOnlinePath not found 05-03 17:48:56.336: ERROR/BatteryService(170): batteryVoltagePath not found 05-03 17:48:56.350: ERROR/BatteryService(170): batteryTemperaturePath not found 05-03 17:48:56.696: ERROR/SurfaceFlinger(170): Couldn't open /sys/power/wait_for_fb_sleep or /sys/power/wait_for_fb_wake 05-03 17:48:57.847: WARN/SurfaceFlinger(170): ro.sf.lcd_density not defined, using 160 dpi by default. 05-03 17:49:02.116: WARN/UsageStats(170): Usage stats version changed; dropping 05-03 17:49:05.036: WARN/zipro(182): Unable to open zip '/data/local/bootanimation.zip': No such file or directory 05-03 17:49:06.297: WARN/zipro(182): Unable to open zip '/system/media/bootanimation.zip': No such file or directory 05-03 17:49:50.637: WARN/PackageManager(170): Running ENG build: no pre-dexopt! 05-03 17:53:59.196: WARN/PackageManager(170): Unknown permission com.google.android.providers.gmail.permission.WRITE_GMAIL in package com.android.settings 05-03 17:53:59.238: WARN/PackageManager(170): Unknown permission com.google.android.providers.gmail.permission.READ_GMAIL in package com.android.settings 05-03 17:53:59.286: WARN/PackageManager(170): Unknown permission com.google.android.googleapps.permission.GOOGLE_AUTH in package com.android.settings 05-03 17:53:59.517: WARN/PackageManager(170): Unknown permission com.google.android.googleapps.permission.GOOGLE_AUTH in package com.android.providers.contacts 05-03 17:53:59.656: WARN/PackageManager(170): Unknown permission com.google.android.googleapps.permission.GOOGLE_AUTH.cp in package com.android.providers.contacts 05-03 17:53:59.717: WARN/PackageManager(170): Unknown permission com.google.android.googleapps.permission.GOOGLE_AUTH.mail in package com.android.contacts 05-03 17:53:59.796: WARN/PackageManager(170): Unknown permission android.permission.ADD_SYSTEM_SERVICE in package com.android.phone 05-03 17:54:00.126: WARN/PackageManager(170): Unknown permission com.google.android.googleapps.permission.GOOGLE_AUTH in package com.android.development 05-03 17:54:00.206: WARN/PackageManager(170): Unknown permission com.google.android.googleapps.permission.GOOGLE_AUTH.ALL_SERVICES in package com.android.development 05-03 17:54:00.206: WARN/PackageManager(170): Unknown permission com.google.android.googleapps.permission.GOOGLE_AUTH.YouTubeUser in package com.android.development 05-03 17:54:00.237: WARN/PackageManager(170): Unknown permission com.google.android.googleapps.permission.ACCESS_GOOGLE_PASSWORD in package com.android.development 05-03 17:54:00.258: WARN/PackageManager(170): Unknown permission com.google.android.googleapps.permission.GOOGLE_AUTH in package com.android.browser 05-03 17:54:25.456: WARN/ResourceType(170): Resources don't contain package for resource number 0x7f0700e5 05-03 17:54:25.486: WARN/ResourceType(170): Resources don't contain package for resource number 0x7f020031 05-03 17:54:25.536: WARN/ResourceType(170): Resources don't contain package for resource number 0x7f020030 05-03 17:54:25.576: WARN/ResourceType(170): Resources don't contain package for resource number 0x7f050000 05-03 17:54:38.708: WARN/SharedBufferStack(182): waitForCondition(LockCondition) timed out (identity=0, status=0). CPU may be pegged. trying again.

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• WPF - LayoutUpdated event firing repeatedly

  - by Drew Noakes

  I've been adding a bit of animation to my WPF application. Thanks to Dan Crevier's unique solution to animating the children of a panel combined with the awesome WPF Penner animations it turned out to be fairly straightforward to make one of my controls look great and have its children move about with some nice animation. Unfortunately this all comes with a performance overhead. I'm happy to have the performance hit when items are added/removed or the control is resized, but it seems that this perf hit occurs consistently throughout the application's lifetime, even when items are completely static. The PanelLayoutAnimator class uses an attached property to hook the UIElement.LayoutUpdated.aspx) event. When this event fires, render transforms are animated to cause the children to glide to their new positions. Unfortunately it seems that the LayoutUpdated event fires every second or so, even when nothing is happening in the application (at least I don't think my code's doing anything -- the app doesn't have focus and the mouse is steady.) As the reason for the event is not immediately apparent to the event handler, all children of the control have to be reevaluated. This event is being called about once a second when idle. The frequency increases when actually using the app. So my question is, how can I improve the performance here? Any answer that assists would be appreciated, but I'm currently stuck on these sub-questions: What causes the LayoutUpdated event to fire so frequently? Is this supposed to happen, and if not, how can I find out why it's firing and curtail it? Is there a more convenient way within the handler to know whether something has happened that might have moved children? If so, I could bail out early and avoid the overhead of looping each child. For now I will work around this issue by disabling animation when there are more than N children in the panel.

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• Sqlite Database LEAK FOUND exception in android?

  - by androidbase

  hi all, i am getting this exception in database Leak Found my LOGCAT Shows this: 02-17 17:20:37.857: INFO/ActivityManager(58): Starting activity: Intent { cmp=com.example.brown/.Bru_Bears_Womens_View (has extras) } 02-17 17:20:38.477: DEBUG/dalvikvm(434): GC freed 1086 objects / 63888 bytes in 119ms 02-17 17:20:38.556: ERROR/Database(434): Leak found 02-17 17:20:38.556: ERROR/Database(434): java.lang.IllegalStateException: /data/data/com.example.brown/databases/BRUNEWS_DB_01.db SQLiteDatabase created and never closed 02-17 17:20:38.556: ERROR/Database(434): at android.database.sqlite.SQLiteDatabase.<init>(SQLiteDatabase.java:1694) 02-17 17:20:38.556: ERROR/Database(434): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:738) 02-17 17:20:38.556: ERROR/Database(434): at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:760) 02-17 17:20:38.556: ERROR/Database(434): at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:753) 02-17 17:20:38.556: ERROR/Database(434): at android.app.ApplicationContext.openOrCreateDatabase(ApplicationContext.java:473) 02-17 17:20:38.556: ERROR/Database(434): at android.content.ContextWrapper.openOrCreateDatabase(ContextWrapper.java:193) 02-17 17:20:38.556: ERROR/Database(434): at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:98) 02-17 17:20:38.556: ERROR/Database(434): at com.example.brown.Brown_Splash.onCreate(Brown_Splash.java:52) 02-17 17:20:38.556: ERROR/Database(434): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 02-17 17:20:38.556: ERROR/Database(434): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2459) 02-17 17:20:38.556: ERROR/Database(434): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2512) 02-17 17:20:38.556: ERROR/Database(434): at android.app.ActivityThread.access$2200(ActivityThread.java:119) 02-17 17:20:38.556: ERROR/Database(434): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1863) 02-17 17:20:38.556: ERROR/Database(434): at android.os.Handler.dispatchMessage(Handler.java:99) 02-17 17:20:38.556: ERROR/Database(434): at android.os.Looper.loop(Looper.java:123) 02-17 17:20:38.556: ERROR/Database(434): at android.app.ActivityThread.main(ActivityThread.java:4363) 02-17 17:20:38.556: ERROR/Database(434): at java.lang.reflect.Method.invokeNative(Native Method) 02-17 17:20:38.556: ERROR/Database(434): at java.lang.reflect.Method.invoke(Method.java:521) 02-17 17:20:38.556: ERROR/Database(434): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 02-17 17:20:38.556: ERROR/Database(434): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 02-17 17:20:38.556: ERROR/Database(434): at dalvik.system.NativeStart.main(Native Method) how can i solve it??? thanks in advance...

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• ASP.Net: IHttpAsyncHandler and AsyncProcessorDelegate

  - by ctrlShiftBryan

  I have implemented an IHttpAsyncHandler. I am making about 5 different AJAX calls from a webpage that has widgets to that handler. One of those widgets takes about 15 seconds to load(because of a large database query) the others should all load in under a second. The handler is responding in a synchronous manner. I am getting very inconsistent results. The ProcessRequest method is using Session and other class level variables. Could that be causing different requests to use the same thread instead each there own? I'm getting this... Request1 --- response 1 sec Request2 --- response 14 sec Request3 --- response 14.5 sec Request4 --- response 15 sec Request5 --- response 15.5 sec but I'm looking for something more like this... Request1 --- response 1 sec Request2 --- response 14 sec Request3 --- response 1.5 sec Request4 --- response 2 sec Request5 --- response 1.5 sec Without posting too much code my implementation of the IHttpAsyncHandler methods are pretty standard. private AsyncProcessorDelegate _Delegate; protected delegate void AsyncProcessorDelegate(HttpContext context); IAsyncResult IHttpAsyncHandler.BeginProcessRequest(HttpContext context, AsyncCallback cb, object extraData) { _Delegate = new AsyncProcessorDelegate(ProcessRequest); return _Delegate.BeginInvoke(context, cb, extraData); } void IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) { _Delegate.EndInvoke(result); } Putting a debug break point in my IHttpAsyncHandler.BeginProcessRequest method I can see that the method isn't being fired until the last Process is complete. Also my machine.config has this entry... processModel autoConfig="true" with no other properties set. What else do I need to check for?

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• Spring, JPA, Hibernate, Jetty 7 Integration

  - by Jewel

  Have anyone successfully run any spring and JPA application in jetty 7? I am getting following exception. This application throws no error in jetty 6. INFO [main] org.eclipse.jetty.util.log - Logging to org.slf4j.impl.Log4jLoggerAdapter(org.eclipse.jetty.util.log) via org.eclipse.jetty.util.log.Slf4jLog INFO [main] org.eclipse.jetty.util.log - jetty-7.1.2.v20100523 INFO [main] org.eclipse.jetty.util.log - Deployment monitor G:\_Java\_Jetty\jetty-distribution-7.1.2.v20100523\contexts at interval 5 INFO [main] org.eclipse.jetty.util.log - Deployment monitor G:\_Java\_Jetty\jetty-distribution-7.1.2.v20100523\webapps at interval 5 INFO [main] org.eclipse.jetty.util.log - Deployable added: G:\_Java\_Jetty\jetty-distribution-7.1.2.v20100523\webapps\gwtrpc-spring.war INFO [main] org.eclipse.jetty.util.log - Copying WEB-INF/lib jar:file:/G:/_Java/_Jetty/jetty-distribution-7.1.2.v20100523/webapps/gwtrpc-spring.war!/WEB-INF/lib/ to C:\Documents and Settings\Jewel2\Local Settings\Temp\Jetty_0_0_0_0_8080_gwtrpc.spring.war__gwtrpc.spring__az1wdj\webinf\WEB-INF\lib INFO [main] org.eclipse.jetty.util.log - Copying WEB-INF/classes from jar:file:/G:/_Java/_Jetty/jetty-distribution-7.1.2.v20100523/webapps/gwtrpc-spring.war!/WEB-INF/classes/ to C:\Documents and Settings\Jewel2\Local Settings\Temp\Jetty_0_0_0_0_8080_gwtrpc.spring.war__gwtrpc.spring__az1wdj\webinf\WEB-INF\classes INFO [main] /gwtrpc-spring - Initializing Spring root WebApplicationContext INFO [main] org.springframework.web.context.ContextLoader - Root WebApplicationContext: initialization started INFO [main] org.springframework.web.context.support.XmlWebApplicationContext - Refreshing Root WebApplicationContext: startup date [Thu Jun 10 00:13:32 GMT+06:00 2010]; root of context hierarchy INFO [main] org.springframework.beans.factory.xml.XmlBeanDefinitionReader - Loading XML bean definitions from ServletContext resource [/WEB-INF/applicationContext.xml] INFO [main] org.springframework.beans.factory.support.DefaultListableBeanFactory - Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@467991: defining beans [org.springframework.context.annotation.internalConfigurationAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context.annotation.internalCommonAnnotationProcessor,org.springframework.context.annotation.internalPersistenceAnnotationProcessor,greetingServiceImpl,testService,testService2,taskExecutor,dataSource,entityManagerFactory,org.springframework.aop.config.internalAutoProxyCreator,org.springframework.transaction.annotation.AnnotationTransactionAttributeSource#0,org.springframework.transaction.interceptor.TransactionInterceptor#0,org.springframework.transaction.config.internalTransactionAdvisor,transactionManager,org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor#0]; root of factory hierarchy INFO [main] org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor - Initializing ExecutorService 'taskExecutor' INFO [main] org.springframework.jdbc.datasource.DriverManagerDataSource - Loaded JDBC driver: com.mysql.jdbc.Driver INFO [main] org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean - Building JPA container EntityManagerFactory for persistence unit 'gwtrpc-spring-data-source' INFO [main] org.hibernate.cfg.annotations.Version - Hibernate Annotations 3.4.0.GA INFO [main] org.hibernate.cfg.Environment - Hibernate 3.3.1.GA INFO [main] org.hibernate.cfg.Environment - hibernate.properties not found INFO [main] org.hibernate.cfg.Environment - Bytecode provider name : javassist INFO [main] org.hibernate.cfg.Environment - using JDK 1.4 java.sql.Timestamp handling INFO [main] org.hibernate.annotations.common.Version - Hibernate Commons Annotations 3.1.0.GA INFO [main] org.hibernate.ejb.Version - Hibernate EntityManager 3.4.0.GA INFO [main] org.hibernate.ejb.Ejb3Configuration - Processing PersistenceUnitInfo [ name: gwtrpc-spring-data-source ...] INFO [main] org.springframework.beans.factory.support.DefaultListableBeanFactory - Destroying singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@467991: defining beans [org.springframework.context.annotation.internalConfigurationAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context.annotation.internalCommonAnnotationProcessor,org.springframework.context.annotation.internalPersistenceAnnotationProcessor,greetingServiceImpl,testService,testService2,taskExecutor,dataSource,entityManagerFactory,org.springframework.aop.config.internalAutoProxyCreator,org.springframework.transaction.annotation.AnnotationTransactionAttributeSource#0,org.springframework.transaction.interceptor.TransactionInterceptor#0,org.springframework.transaction.config.internalTransactionAdvisor,transactionManager,org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor#0]; root of factory hierarchy INFO [main] org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor - Shutting down ExecutorService 'taskExecutor' ERROR [main] org.springframework.web.context.ContextLoader - Context initialization failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is javax.persistence.PersistenceException: [PersistenceUnit: gwtrpc-spring-data-source] class or package not found at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1403) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:450) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:290) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:287) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:189) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:545) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:871) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:423) at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:272) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:196) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47) at org.eclipse.jetty.server.handler.ContextHandler.startContext(ContextHandler.java:636) at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:188) at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:995) at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:579) at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:381) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:55) at org.eclipse.jetty.deploy.bindings.StandardStarter.processBinding(StandardStarter.java:36) at org.eclipse.jetty.deploy.AppLifeCycle.runBindings(AppLifeCycle.java:182) at org.eclipse.jetty.deploy.DeploymentManager.requestAppGoal(DeploymentManager.java:497) at org.eclipse.jetty.deploy.DeploymentManager.addApp(DeploymentManager.java:135) at org.eclipse.jetty.deploy.providers.ScanningAppProvider$1.fileAdded(ScanningAppProvider.java:61) at org.eclipse.jetty.util.Scanner.reportAddition(Scanner.java:436) at org.eclipse.jetty.util.Scanner.reportDifferences(Scanner.java:349) at org.eclipse.jetty.util.Scanner.scan(Scanner.java:306) at org.eclipse.jetty.util.Scanner.start(Scanner.java:242) at org.eclipse.jetty.deploy.providers.ScanningAppProvider.doStart(ScanningAppProvider.java:136) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:55) at org.eclipse.jetty.deploy.DeploymentManager.startAppProvider(DeploymentManager.java:562) at org.eclipse.jetty.deploy.DeploymentManager.doStart(DeploymentManager.java:212) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:55) at org.eclipse.jetty.server.Server.doStart(Server.java:209) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:55) at org.eclipse.jetty.xml.XmlConfiguration$1.run(XmlConfiguration.java:1018) at java.security.AccessController.doPrivileged(Native Method) at org.eclipse.jetty.xml.XmlConfiguration.main(XmlConfiguration.java:983) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.jetty.start.Main.invokeMain(Main.java:447) at org.eclipse.jetty.start.Main.start(Main.java:605) at org.eclipse.jetty.start.Main.parseCommandLine(Main.java:238) at org.eclipse.jetty.start.Main.main(Main.java:77) Caused by: javax.persistence.PersistenceException: [PersistenceUnit: gwtrpc-spring-data-source] class or package not found at org.hibernate.ejb.Ejb3Configuration.addNamedAnnotatedClasses(Ejb3Configuration.java:1093) at org.hibernate.ejb.Ejb3Configuration.addClassesToSessionFactory(Ejb3Configuration.java:871) at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:758) at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:425) at org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:131) at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:225) at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:308) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1460) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1400) ... 45 more Caused by: java.lang.ClassNotFoundException: WEB-INF.classes.org.gwtrpcspring.example.server.Person at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClassInternal(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.hibernate.util.ReflectHelper.classForName(ReflectHelper.java:135) at org.hibernate.ejb.Ejb3Configuration.classForName(Ejb3Configuration.java:1009) at org.hibernate.ejb.Ejb3Configuration.addNamedAnnotatedClasses(Ejb3Configuration.java:1081) ... 53 more WARN [main] org.eclipse.jetty.util.log - Failed startup of context WebAppContext@149f041@149f041/gwtrpc-spring,file:/C:/Documents and Settings/Jewel2/Local Settings/Temp/Jetty_0_0_0_0_8080_gwtrpc.spring.war__gwtrpc.spring__az1wdj/webinf/;jar:file:/G:/_Java/_Jetty/jetty-distribution-7.1.2.v20100523/webapps/gwtrpc-spring.war!/;,G:\_Java\_Jetty\jetty-distribution-7.1.2.v20100523\webapps\gwtrpc-spring.war org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is javax.persistence.PersistenceException: [PersistenceUnit: gwtrpc-spring-data-source] class or package not found at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1403) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:450) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:290) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:287) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:189) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:545) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:871) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:423) at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:272) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:196) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47) at org.eclipse.jetty.server.handler.ContextHandler.startContext(ContextHandler.java:636) at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:188) at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:995) at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:579) at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:381) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:55) at org.eclipse.jetty.deploy.bindings.StandardStarter.processBinding(StandardStarter.java:36) at org.eclipse.jetty.deploy.AppLifeCycle.runBindings(AppLifeCycle.java:182) at org.eclipse.jetty.deploy.DeploymentManager.requestAppGoal(DeploymentManager.java:497) at org.eclipse.jetty.deploy.DeploymentManager.addApp(DeploymentManager.java:135) at org.eclipse.jetty.deploy.providers.ScanningAppProvider$1.fileAdded(ScanningAppProvider.java:61) at org.eclipse.jetty.util.Scanner.reportAddition(Scanner.java:436) at org.eclipse.jetty.util.Scanner.reportDifferences(Scanner.java:349) at org.eclipse.jetty.util.Scanner.scan(Scanner.java:306) at org.eclipse.jetty.util.Scanner.start(Scanner.java:242) at org.eclipse.jetty.deploy.providers.ScanningAppProvider.doStart(ScanningAppProvider.java:136) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:55) at org.eclipse.jetty.deploy.DeploymentManager.startAppProvider(DeploymentManager.java:562) at org.eclipse.jetty.deploy.DeploymentManager.doStart(DeploymentManager.java:212) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:55) at org.eclipse.jetty.server.Server.doStart(Server.java:209) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:55) at org.eclipse.jetty.xml.XmlConfiguration$1.run(XmlConfiguration.java:1018) at java.security.AccessController.doPrivileged(Native Method) at org.eclipse.jetty.xml.XmlConfiguration.main(XmlConfiguration.java:983) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.jetty.start.Main.invokeMain(Main.java:447) at org.eclipse.jetty.start.Main.start(Main.java:605) at org.eclipse.jetty.start.Main.parseCommandLine(Main.java:238) at org.eclipse.jetty.start.Main.main(Main.java:77) Caused by: javax.persistence.PersistenceException: [PersistenceUnit: gwtrpc-spring-data-source] class or package not found at org.hibernate.ejb.Ejb3Configuration.addNamedAnnotatedClasses(Ejb3Configuration.java:1093) at org.hibernate.ejb.Ejb3Configuration.addClassesToSessionFactory(Ejb3Configuration.java:871) at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:758) at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:425) at org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:131) at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:225) at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:308) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1460) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1400) ... 45 more Caused by: java.lang.ClassNotFoundException: WEB-INF.classes.org.gwtrpcspring.example.server.Person at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClassInternal(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.hibernate.util.ReflectHelper.classForName(ReflectHelper.java:135) at org.hibernate.ejb.Ejb3Configuration.classForName(Ejb3Configuration.java:1009) at org.hibernate.ejb.Ejb3Configuration.addNamedAnnotatedClasses(Ejb3Configuration.java:1081) ... 53 more INFO [main] org.eclipse.jetty.util.log - Started [email protected]:8080 And this is my applicationContext.xml file <?xml version="1.0" encoding="UTF-8"?> <beans> <context:annotation-config /> <context:component-scan base-package="org.gwtrpcspring.example.server" /> <bean id="taskExecutor" class="org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor"> <property name="corePoolSize" value="5" /> <property name="maxPoolSize" value="10" /> <property name="queueCapacity" value="25" /> </bean> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="com.mysql.jdbc.Driver" /> <property name="url" value="jdbc:mysql://localhost:3306/test" /> <property name="username" value="jewel" /> <property name="password" value="jewel" /> </bean> <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"> <property name="dataSource" ref="dataSource" /> <property name="jpaVendorAdapter"> <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"> <property name="databasePlatform" value="org.hibernate.dialect.MySQLDialect" /> <!-- <property name="databasePlatform" value="org.hibernate.dialect.HSQLDialect" /> --> <property name="showSql" value="false" /> <property name="generateDdl" value="true" /> </bean> </property> </bean> <tx:annotation-driven /> <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager"> <property name="entityManagerFactory" ref="entityManagerFactory" /> </bean> <bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor" /> </beans>

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• GridView row remove and animation - Android

  - by Pria

  I have a GridView in which each row has a custom view. The grid view adapter has an array that keeps the custom view. At click of a button, I want to remove a specific row from the Grid and while doing so I want animation on it. I have an AnimationListener. When I remove the upper most row from the array and setAdapter in onAnimationEnd(). It works perfectly fine. But, when I remove any other row, it gives a NullPointerException in the main thread. The exception thread is as follows: ERROR/AndroidRuntime(11503): java.lang.NullPointerException at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1227) at android.widget.AbsListView.dispatchDraw(AbsListView.java:1319) at android.view.View.draw(View.java:5944) at android.widget.AbsListView.draw(AbsListView.java:2121) at android.view.ViewGroup.drawChild(ViewGroup.java:1486) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1228) at android.view.View.draw(View.java:5841) at android.widget.FrameLayout.draw(FrameLayout.java:352) at android.view.ViewGroup.drawChild(ViewGroup.java:1486) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1228) at android.view.View.draw(View.java:5841) at android.widget.FrameLayout.draw(FrameLayout.java:352) at android.view.ViewGroup.drawChild(ViewGroup.java:1486) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1228) at android.view.View.draw(View.java:5841) at android.widget.FrameLayout.draw(FrameLayout.java:352) at com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:1847) at android.view.ViewRoot.draw(ViewRoot.java:1217) at android.view.ViewRoot.performTraversals(ViewRoot.java:1030) at android.view.ViewRoot.handleMessage(ViewRoot.java:1482) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:123) at android.app.ActivityThread.main(ActivityThread.java:3948) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:521) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540) at dalvik.system.NativeStart.main(Native Method) Please help!!!

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• Biztalk Server 2009 - Failover Clustering and Network Load Balancing (NLB)

  - by FullOfQuestions

  Hi, We are planning a Biztalk 2009 set up in which we have 2 Biztalk Application Servers and 2 DB Servers (DB servers being in an Active/Passive Cluster). All servers are running Windows Server 2008 R2. As part of our application, we will have incoming traffic via the MSMQ, FILE and SOAP adapters. We also have a requirement for High-availability and Load-balancing. Let's say I create two different Biztalk Hosts and assign the FILE receive handler to the first one and the MSMQ receive handler to the second one. I now create two host instances for each of the two hosts (i.e. one for each of my two physical servers). After reviewing the Biztalk Documentation, this is what I know so far: For FILE (Receive), high-availablity and load-balancing will be achieved by Biztalk automatically because I set up a host instance on each of the two servers in the group. MSMQ (Receive) requires Biztalk Host Clustering to ensure high-availability (Host Clustering however requires Windows Failover Clustering to be set up as well). No loading-balancing option is clear here. SOAP (Receive) requires NLB to achieve Load-balancing and High-availability (if one server goes down, NLB will direct traffic to the other). This is where I'm completely puzzled and I desperately need your help: Is it possible to have a Windows Failover Cluster and NLB set up at the same time on the two application servers? If yes, then please tell me how. If no, then please explain to me how anyone is acheiving high-availability and load-balancing for MSMQ and SOAP when their underlying prerequisites are mutually exclusive! Your help is greatly appreciated, M

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• ASP.NET MVC Routing - Redirect to aspx?

  - by bmoeskau

  This seems like it should be easy, but for some reason I'm having no luck. I'm migrating an existing WebForms app to MVC, so I need to keep the root of the site pointing to my existing aspx pages for now and only apply routing to named routes. Here's what I have: public static void RegisterRoutes(RouteCollection routes) { routes.IgnoreRoute("{resource}.axd/{*pathInfo}"); routes.IgnoreRoute("{resource}.aspx/{*pathInfo}"); RouteTable.Routes.Add( "Root", new Route("", new DefaultRouteHandler()) ); routes.MapRoute( "Default", // Route name "{controller}/{action}/{id}", // URL with parameters new { controller = "Calendar2", action = "Index", id = "" } // Parameter defaults ); } So aspx pages should be ignored, and the default root url should be handled by this handler: public class DefaultRouteHandler : IRouteHandler { public IHttpHandler GetHttpHandler(RequestContext requestContext) { return System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath( "~/Dashboard/default.aspx", typeof(Page)) as IHttpHandler; } } This seems to work OK, but the resulting YPOD gives me this: Multiple controls with the same ID '__Page' were found. Trace requires that controls have unique IDs. which seems to imply that the page is somehow getting rendered twice. If I simply type in the url to my dashboard page directly it works fine (no routing, no error). I have no idea why the handler code would be doing anything differently. Bottom line -- I'd like to simply redirect the root url path to an aspx of my choosing -- can anyone shed some light?

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• Dynamically created LinkButton not firing any events

  - by Brent

  I'm customising the Group Headers on a Telerik RadGrid by injecting a LinkButton into it during the ItemDataBound event. The button renders perfectly, but I can't get it to hit any event handlers. Here is the code for the button creation: Private Sub rgWorkRequestItemCosts_ItemDataBound(ByVal sender As Object, ByVal e As Telerik.Web.UI.GridItemEventArgs) Handles rgWorkRequestItemCosts.ItemDataBound If TypeOf e.Item Is GridGroupHeaderItem Then Dim oItem As GridGroupHeaderItem = DirectCast(e.Item, GridGroupHeaderItem) Dim lnkAdd As New LinkButton() lnkAdd.ID = "lnkAdd" lnkAdd.CommandName = "CustomAddWorkRequestItemCost" lnkAdd.CommandArgument = DirectCast(oItem.DataItem, DataRowView).Row("nWorkRequestItemID").ToString() lnkAdd.Text = String.Format("<img style=""border:0px"" alt="""" width=""12"" src=""{0}"" /> Add new cost", ResolveUrl(String.Format("~/App_Themes/{0}/Grid/AddRecord.gif", Page.Theme))) lnkAdd.Style("color") = "#000000" lnkAdd.Style("text-decoration") = "none" AddHandler lnkAdd.Click, AddressOf lnkAdd_Click Dim tcPlaceholder As GridTableCell = DirectCast(oItem.Controls(1), GridTableCell) Dim litText As New LiteralControl(String.Format("&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{0}", tcPlaceholder.Text)) tcPlaceholder.Text = String.Empty tcPlaceholder.Controls.Add(lnkAdd) tcPlaceholder.Controls.Add(litText) End If End Sub This code explicitly adds a handler for the LinkButton, but that handler is never hit. I've also tried events on the RadGrid (ItemCommand, ItemEvent) but none seem to get hit. Has anyone got any suggestions of other events to try, or ways to make this work? Thanks!

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• Android SQLite database gets corrupted

  - by Seu

  There are about 100 people using my Android App right now and every once and while I get a crash report to the server with this stack trace: android.database.sqlite.SQLiteDatabaseCorruptException: database disk image is malformed at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2596) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2621) at android.app.ActivityThread.access$2200(ActivityThread.java:126) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1932) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:123) at android.app.ActivityThread.main(ActivityThread.java:4595) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:521) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) at dalvik.system.NativeStart.main(Native Method) Caused by: android.database.sqlite.SQLiteDatabaseCorruptException: database disk image is malformed at android.database.sqlite.SQLiteQuery.native_fill_window(Native Method) at android.database.sqlite.SQLiteQuery.fillWindow(SQLiteQuery.java:75) at android.database.sqlite.SQLiteCursor.fillWindow(SQLiteCursor.java:295) at android.database.sqlite.SQLiteCursor.getCount(SQLiteCursor.java:276) at android.database.AbstractCursor.moveToPosition(AbstractCursor.java:171) at android.database.AbstractCursor.moveToFirst(AbstractCursor.java:248) The result is the app crashing and all the data in the DB being lost. One thing to note is that every time I read or write to the database I get a new SQLiteDatabase and close it as soon as I'm done. I thought this would simplify things, but perhaps that's causing the problem? Is it possible this is just a SQLite bug?

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• Matplotlib pick event order for overlapping artists

  - by Ajean

  I'm hitting a very strange issue with matplotlib pick events. I have two artists that are both pickable and are non-overlapping to begin with ("holes" and "pegs"). When I pick one of them, during the event handling I move the other one to where I just clicked (moving a "peg" into the "hole"). Then, without doing anything else, a pick event from the moved artist (the peg) is generated even though it wasn't there when the first event was generated. My only explanation for it is that somehow the event manager is still moving through artist layers when the event is processed, and therefore hits the second artist after it is moved under the cursor. So then my question is - how do pick events (or any events for that matter) iterate through overlapping artists on the canvas, and is there a way to control it? I think I would get my desired behavior if it moved from the top down always (rather than bottom up or randomly). I haven't been able to find sufficient enough documentation, and a lengthy search on SO has not revealed this exact issue. Below is a working example that illustrates the problem, with PathCollections from scatter as pegs and holes: import matplotlib.pyplot as plt import sys class peg_tester(): def __init__(self): self.fig = plt.figure(figsize=(3,1)) self.ax = self.fig.add_axes([0,0,1,1]) self.ax.set_xlim([-0.5,2.5]) self.ax.set_ylim([-0.25,0.25]) self.ax.text(-0.4, 0.15, 'One click on the hole, and I get 2 events not 1', fontsize=8) self.holes = self.ax.scatter([1], [0], color='black', picker=0) self.pegs = self.ax.scatter([0], [0], s=100, facecolor='#dd8800', edgecolor='black', picker=0) self.fig.canvas.mpl_connect('pick_event', self.handler) plt.show() def handler(self, event): if event.artist is self.holes: # If I get a hole event, then move a peg (to that hole) ... # but then I get a peg event also with no extra clicks! offs = self.pegs.get_offsets() offs[0,:] = [1,0] # Moves left peg to the middle self.pegs.set_offsets(offs) self.fig.canvas.draw() print 'picked a hole, moving left peg to center' elif event.artist is self.pegs: print 'picked a peg' sys.stdout.flush() # Necessary when in ipython qtconsole if __name__ == "__main__": pt = peg_tester() I have tried setting the zorder to make the pegs always above the holes, but that doesn't change how the pick events are generated, and particularly this funny phantom event.

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• Delphi: How to respond to WM_SettingChange/WM_WinIniChange?

  - by Ian Boyd

  i need to know when my application recieves a WM_SETTINGCHANGE message (formerly known as WM_WININICHANGE). Problem is that the message pump in TApplication sends it down a black hole (default handler) before i can get a chance to see it: procedure TApplication.WndProc(var Message: TMessage); ... begin Message.Result := 0; for I := 0 to FWindowHooks.Count - 1 do if TWindowHook(FWindowHooks[I]^)(Message) then Exit; CheckIniChange(Message); with Message do case Msg of WM_SETTINGCHANGE: begin Mouse.SettingChanged(wParam); Default; <----------------------*poof* down the sink hole end; ... end; ... end; The procedure CheckIniChange() doesn't throw any event i can handle, neither does Mouse.SettingChanged(). And once the code path reaches Default, it is sent down the DefWindowProc drain hole, never to be seen again (since the first thing the WndProc does is set the Message.Result to zero. i was hoping to assign a handler to a TApplicationEvents.OnMessage event: procedure TdmGlobal.ApplicationEvents1Message(var Msg: tagMSG; var Handled: Boolean); begin case Msg.message of WM_SETTINGCHANGE: begin // Code end; end; end; But the OnMessage event is only thrown for messages that come through the message pump. Since the WM_SETTINGCHANGE message is "handled", it never sees the PeekMessage TranslateMessage DispatchMessage system. How can i respond to the windows broadcast WM_SETTINGCHANGE?

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• Quartz.NET trigger not firing

  - by billy_bob_the

  i am using Quartz.NET in my ASP.NET web application. i put the following code in a button click handler to make sure that it executes (for testing purposes): Quartz.ISchedulerFactory factory = new Quartz.Impl.StdSchedulerFactory(); Quartz.IScheduler scheduler = factory.GetScheduler(); Quartz.JobDetail job = new Quartz.JobDetail("job", null, typeof(BackupJob)); Quartz.Trigger trigger = Quartz.TriggerUtils.MakeDailyTrigger(8, 30); // i edit this each time before compilation (for testing purposes) trigger.StartTimeUtc = Quartz.TriggerUtils.GetEvenSecondDate(DateTime.UtcNow); trigger.Name = "trigger"; scheduler.ScheduleJob(job, trigger); scheduler.Start(); here's "BackupJob": public class BackupJob : IJob { public BackupJob() { } public void Execute(JobExecutionContext context) { NSG.BackupJobStart(); } } my question: why is "BackupJobStart()" not firing? i've used similar code before and it worked fine. EDIT: @Andy White, i would have it in Application_Start in Global.asax. this doesn't work which is why i moved it to a button click handler to narrow down the problem.

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• ArrayAdapter and ListView - ArrayIndexOutOfBoundsException

  - by synic

  I'm really hoping someone can help me out with this one. I've been stuck on it forever. Occasionally, when someone is using my app, it'll force close with this exception: java.lang.ArrayIndexOutOfBoundsException at android.widget.AbsListView$RecycleBin.addScrapView(AbsListView.java:3572) at android.widget.AbsListView.trackMotionScroll(AbsListView.java:2487) at android.widget.AbsListView.onTouchEvent(AbsListView.java:2001) at android.widget.ListView.onTouchEvent(ListView.java:3234) at android.view.View.dispatchTouchEvent(View.java:3709) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:874) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:924) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:924) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:924) at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1695) at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1116) at android.app.Activity.dispatchTouchEvent(Activity.java:2068) at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1679) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:924) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:924) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:924) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:924) at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:924) at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1695) at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1116) at android.app.Activity.dispatchTouchEvent(Activity.java:2068) at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1679) at android.view.ViewRoot.handleMessage(ViewRoot.java:1697) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:123) at android.app.ActivityThread.main(ActivityThread.java:4568) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:521) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) at dalvik.system.NativeStart.main(Native Method) However, I cannot figure out why. It's relatively rare, non-reproducable, and the stacktrace is completely unhelpful because it doesn't include any of my code. Is it a bug in Android itself?

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• Redirect from URL with QueryString to the same URL without QueryString

  - by Slauma

  I have a page request with a QueryString, say http://www.xyz.net/Orders.aspx?OrderID=1. The page is displayed in a browser. Now there is an asp:LinkButton on the page which should enable the user to open the page without the QueryString (as if he had entered http://www.xyz.net/Orders.aspx directly in the browser's address bar). I had two ideas: 1) Use the PostBackUrl attribute of the LinkButton: <asp:LinkButton ID="LinkButton1" runat="server" Text="Select" PostBackUrl="~/Orders.aspx" /> 2) Use "RedirectUrl" in an event handler: <asp:LinkButton ID="LinkButton1" runat="server" Text="Select" OnClick="LinkButton1_Click" /> ...and... protected void LinkButton1_Click(object sender, EventArgs e) { Response.Redirect("~/Orders.aspx"); } In both cases the browser's address bar shows http://www.xyz.net/Orders.aspx without the QueryString, as I like to have it. But in the first case the page does not change at all. But it should, because I'm evaluating the QueryString in code-behind and control the appearance of the page depending on whether a QueryString exists or not. The second option works as intended. If I am not wrong the second option requires an additional roundtrip: Browser sends request to server Event handler on server side sends Redirect URL to browser Browser sends again request to the server, but with the new URL Server sends new requested page to browser Is this correct at all? Whereas the first option omits the first two steps in the list above, thus saving the additional roundtrip and resulting in: Browser sends request to the server, but with the new URL (the PostbackURL specified in the LinkButton) Server sends new requested page to browser But, as said, the result isn't the same. I'm sure my try to explain the differences between the two options is wrong somewhere. But I don't know where exactly. Can someone explain what's really the difference? Do I really need this second roundtrip of option (2) to achieve what I want? Thanks in advance!

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• embedding layout inside each tab? - (each tab has its own activity)

  - by Abhi

  I have started with the HelloTabwidget example and it works fine. Now what I am trying to do is have a layout inside each tab. here is what the code looks like myApp extends TabActivity { TabHost tabHost; onCreate() { setContentView (R.layout.main); tabHost = getTabHost(); TabHost.tabspec spec = tabHost.newTabSpec(..).setIndicator(...). setContent(new Intent().setClass(...)); tabHost.addTab(spec); : } } myTab1Actvity extends Activity { ListView myLV; EditText myET; onCreate() { setcontentView (TAB1_LAYOUT); myLV = findViewById(..); : myLV.setAdapter(aa); myET.setOnKeyListener(....) registerforContextMenu(myLV) } } when I run here is the stack trace ERROR/AndroidRuntime(691): java.lang.NullPointerException ERROR/AndroidRuntime(691): at android.widget.TabHost.dispatchWindowFocusChanged(TabHost.java:295) ERROR/AndroidRuntime(691): at android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:661) ERROR/AndroidRuntime(691): at android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:661) ERROR/AndroidRuntime(691): at android.widget.TabHost.dispatchWindowFocusChanged(TabHost.java:295) ERROR/AndroidRuntime(691): at android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:661) ERROR/AndroidRuntime(691): at android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:661) ERROR/AndroidRuntime(691): at android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:661) ERROR/AndroidRuntime(691): at android.view.ViewRoot.handleMessage(ViewRoot.java:1819) ERROR/AndroidRuntime(691): at android.os.Handler.dispatchMessage(Handler.java:99) ERROR/AndroidRuntime(691): at android.os.Looper.loop(Looper.java:123) ERROR/AndroidRuntime(691): at android.app.ActivityThread.main(ActivityThread.java:4363) ERROR/AndroidRuntime(691): at java.lang.reflect.Method.invokeNative(Native Method) ERROR/AndroidRuntime(691): at java.lang.reflect.Method.invoke(Method.java:521) ERROR/AndroidRuntime(691): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) ERROR/AndroidRuntime(691): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) Does the code's flow look OK? basically each Tab has its own activity and each tab has its own layout. It appears that something is wrong in the TabHost - but I am unable to pinpoint it. Any suggestions/Qs you hav e will be very helpful.

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