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• Jboss 5.1.0: java.lang.LinkageError: loader constraint violation for class javax.sql.DataSource

  - by lawrencexu

  have read quite a lot about this error, the reason is 1) more than one jar containing this class have been include into the classpath, 2)include the jar twice or more, but in my case, this class is jdk class, and I have search no this class have been found under my application. any clue would be very helpful. exception stack: 2012-10-31 14:09:58,319 WARN [org.jboss.detailed.classloader.ClassLoaderManager] (http-0.0.0.0-8080-1:) Unexpected error during load of:javax.sql.DataSource java.lang.LinkageError: loader constraint violation: loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) previously initiated loading for a different type with name "javax/sql/DataSource" at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at org.jboss.classloader.spi.base.BaseClassLoader.access$200(BaseClassLoader.java:67) at org.jboss.classloader.spi.base.BaseClassLoader$2.run(BaseClassLoader.java:633) at org.jboss.classloader.spi.base.BaseClassLoader$2.run(BaseClassLoader.java:592) at java.security.AccessController.doPrivileged(Native Method) at org.jboss.classloader.spi.base.BaseClassLoader.loadClassLocally(BaseClassLoader.java:591) at org.jboss.classloader.spi.base.BaseClassLoader.loadClassLocally(BaseClassLoader.java:568) at org.jboss.classloader.spi.base.BaseDelegateLoader.loadClass(BaseDelegateLoader.java:135) at org.jboss.classloader.spi.filter.FilteredDelegateLoader.loadClass(FilteredDelegateLoader.java:131) at org.jboss.classloader.spi.base.ClassLoadingTask$ThreadTask.run(ClassLoadingTask.java:455) at org.jboss.classloader.spi.base.ClassLoaderManager.nextTask(ClassLoaderManager.java:267) at org.jboss.classloader.spi.base.ClassLoaderManager.process(ClassLoaderManager.java:166) at org.jboss.classloader.spi.base.BaseClassLoaderDomain.loadClass(BaseClassLoaderDomain.java:287) at org.jboss.classloader.spi.base.BaseClassLoaderDomain.loadClass(BaseClassLoaderDomain.java:1163) at org.jboss.classloader.spi.base.BaseClassLoader.loadClassFromDomain(BaseClassLoader.java:862) at org.jboss.classloader.spi.base.BaseClassLoader.doLoadClass(BaseClassLoader.java:502) at org.jboss.classloader.spi.base.BaseClassLoader.loadClass(BaseClassLoader.java:447) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) at com.lombardrisk.webgui.dwr.ajax_search.UmbrellaNettingFundsSearch.getBranchesByAgreementId(UmbrellaNettingFundsSearch.java:199) at com.lombardrisk.webgui.dwr.ajax_search.UmbrellaNettingFundsSearch.buildConditionOfPrinAndCpty(UmbrellaNettingFundsSearch.java:177) at com.lombardrisk.webgui.dwr.ajax_search.UmbrellaNettingFundsSearch.getFunds(UmbrellaNettingFundsSearch.java:58) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.directwebremoting.impl.ExecuteAjaxFilter.doFilter(ExecuteAjaxFilter.java:34) at org.directwebremoting.impl.DefaultRemoter$1.doFilter(DefaultRemoter.java:428) at org.directwebremoting.impl.DefaultRemoter.execute(DefaultRemoter.java:431) at org.directwebremoting.impl.DefaultRemoter.execute(DefaultRemoter.java:283) at org.directwebremoting.servlet.PlainCallHandler.handle(PlainCallHandler.java:52) at org.directwebremoting.servlet.UrlProcessor.handle(UrlProcessor.java:101) at org.directwebremoting.servlet.DwrServlet.doPost(DwrServlet.java:146) at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at com.lombardrisk.webgui.filter.ValidRequestFilter.doFilter(ValidRequestFilter.java:41) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:183) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:95) at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126) at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.internalProcess(ActiveRequestResponseCacheValve.java:74) at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:47) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:599) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:451) at java.lang.Thread.run(Thread.java:662)

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• Use component id in Castle Windsor generic object configuration

  - by ChoccyButton

  2 questions in one, but very much related. Is it possible with Castle Windsor to resolve a configuration entry such as - Assembly.Namespace.Object1`2[[${ComponentId1}],[${ComponentId2}]], Assembly Where ComponentId1 and ComponentId2 are defined as components. Castle Windsor doesn't seem to be resolving the ComponentId, it is just looking for ComponentId1 in the Castle.Windsor assembly. The second question comes in to play if you can't do the first question. If you have to use a full assembly reference instead of a ComponentId, how can you pass any parameters to the object being created? eg to set ComponentId1.Field1 = "blah", or pass something to the constructor of ComponentId1 Hope that makes sense Update - Following the request for code I've knocked together the following - Objects public class Wrapper<T, T1> where T : ICollector where T1:IProcessor { private T _collector; private T1 _processor; public Wrapper(T collector, T1 processor) { _collector = collector; _processor = processor; } public void GetData() { _collector.CollectData(); _processor.ProcessData(); } } public class Collector1 : ICollector { public void CollectData() { Console.WriteLine("Collecting data from Collector1 ..."); } } public class Processor1 : IProcessor { public void ProcessData() { Console.WriteLine("Processing data from Processor1 ..."); } } repeated so 3 of each type of object in the example Config <components> <component id="Collector1" service="CastleWindsorPlay.ICollector, CastleWindsorPlay" type="CastleWindsorPlay.Collector1, CastleWindsorPlay"/> <component id="Collector2" service="CastleWindsorPlay.ICollector, CastleWindsorPlay" type="CastleWindsorPlay.Collector2, CastleWindsorPlay"/> <component id="Collector3" service="CastleWindsorPlay.ICollector, CastleWindsorPlay" type="CastleWindsorPlay.Collector3, CastleWindsorPlay"/> <component id="Processor1" service="CastleWindsorPlay.IProcessor, CastleWindsorPlay" type="CastleWindsorPlay.Processor1, CastleWindsorPlay"/> <component id="Processor2" service="CastleWindsorPlay.IProcessor, CastleWindsorPlay" type="CastleWindsorPlay.Processor2, CastleWindsorPlay"/> <component id="Processor3" service="CastleWindsorPlay.IProcessor, CastleWindsorPlay" type="CastleWindsorPlay.Processor3, CastleWindsorPlay"/> <component id="Wrapper1" type="CastleWindsorPlay.Wrapper`2[[CastleWindsorPlay.Collector1, CastleWindsorPlay],[CastleWindsorPlay.Processor3, CastleWindsorPlay]], CastleWindsorPlay" /> </components> Instantiation var wrapper = (Wrapper<ICollector, IProcessor>) container.Resolve("Wrapper1"); wrapper.GetData(); This brief example errors with this error message though - Can't create component 'Wrapper1' as it has dependencies to be satisfied. Wrapper1 is waiting for the following dependencies: Services: - CastleWindsorPlay.Collector1 which was not registered. - CastleWindsorPlay.Processor3 which was not registered. The curious part about this is that I can get it to resolve Collector1 and Processor3 individually before the call to the wrapper, but the wrapper still can't see them. This is a basic example, the next thing I'd like to be able to do is when instantiating the Wrapper, set a property on the collector and/or processor. So it could be something like Collector.Id = 10, but set in the config where the wrapper is defined. Setting against the Collector component definition wouldn't work as I'd want to be able to instantiate multiple copies of each Collector, using different Id's Update 2 What I'm actually trying to do is have - <components> <component id="Wrapper1" type="CastleWindsorPlay.Wrapper`2[${Collector1}(id=1)],[${Processor3}]], CastleWindsorPlay" /> <component id="Wrapper2" type="CastleWindsorPlay.Wrapper`2[${Collector1}(id=3)],[${Processor3}]], CastleWindsorPlay" /> </components> Then have another object defined as <component id="Manager" type="CastleWindsorPlay.Manager,CastleWindsorPlay"> <parameters> <wrappers> <array> <item>${Wrapper1}</item> <item>${Wrapper2}</item> </array> </wrappers> </parameters> Then finally in code just be able to call - var manager = (Manager)container.Resolve("Manager"); This should return the manager object, with an array of wrappers populated and the wrappers configured with the correct Collector and Convertor. I know there are errors in the Castle config here, that's why I'm asking the question, I don't know how to set the config up to do what I'm after, or even if it's possible to do it in Castle Windsor

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• WCF over http settings needed

  - by Crishna

  Hello, We currently have a WCF Service that works over https. But we want to change it to make it work over just http. Could any one tell me what all do I need to change to make the the wcf service work over http. Below is my config file values. Is there anything I else I need to cahnge other than the web.config?? ANy help greatly appreciated <bindings> <basicHttpBinding> <binding name="basicHttpBinding_Windows" maxReceivedMessageSize="500000000" maxBufferPoolSize="500000000" messageEncoding="Mtom"> <security mode="TransportWithMessageCredential"> <transport clientCredentialType="Windows" /> </security> <readerQuotas maxDepth="500000000" maxArrayLength="500000000" maxBytesPerRead="500000000" maxNameTableCharCount="500000000" maxStringContentLength="500000000"/> </binding> </basicHttpBinding> </bindings> <behaviors> <endpointBehaviors> <behavior name="myproject_Behavior"> <dataContractSerializer /> <synchronousReceive /> </behavior> </endpointBehaviors> <serviceBehaviors> <behavior name="WebService.WSBehavior"> <serviceMetadata httpsGetEnabled="true" /> <serviceDebug includeExceptionDetailInFaults="true" /> </behavior> <behavior name="WebService.Forms_WSBehavior"> <serviceMetadata httpGetEnabled="true" /> <serviceDebug includeExceptionDetailInFaults="false" /> </behavior> </serviceBehaviors> </behaviors> <services> <service behaviorConfiguration="WebService.WSBehavior" name="IMMSWebService.mywebservice_WS"> <endpoint address="myproject_WS" binding="basicHttpBinding" bindingConfiguration="basicHttpBinding_Windows" bindingName="basicHttpBinding" contract="WebService.ICommand"> <identity> <dns value="localhost" /> </identity> </endpoint> <endpoint address="mex" binding="mexHttpsBinding" contract="IMetadataExchange" /> <host> <timeouts closeTimeout="00:10:00" openTimeout="00:10:00" /> </host> </service> <service behaviorConfiguration="WebService.Forms_WSBehavior" name="WebService.Forms_WS"> <endpoint address="" binding="wsHttpBinding" contract="WebService.IForms_WS"> <identity> <dns value="localhost" /> </identity> </endpoint> <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" /> </service> </services>

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• AIDL based two way communication

  - by sshasan

  I have two apps between which I want some data exchanged. As they are running in different processes, so, I am using AIDL to communicate between them. Now, everything is happening really great in one direction (say my apps are A and B) i.e. data is being sent from A to B but, now I need to send some data from B to A. I noticed that we need to include the app with the AIDL in the build path of app where the AIDL method will be called. So in my case A includes B in its build path. For B to be able to send something to A, by that logic, B would need A in its build path. This would create a cycle. I am stuck at this point. And I cannot think of a work around this loop. Any help would be greatly appreciated :) . Thanks! ----EDIT---- So, I following the advice mentioned in one of the comments below, I have the following code In the IPCAIDL project the AIDL file resides, its contents are package ipc.android.aidl; interface Iaidl{ boolean pushBoolean(boolean flag); } This project is being used as a library in both the IPCServer and the IPC Client. The IPCServer Project has the service which defines what happens with the AIDL method. The file is booleanService.java package ipc.android.server; import ipc.android.aidl.Iaidl; import android.app.Service; import android.content.Intent; import android.os.IBinder; import android.os.RemoteException; import android.util.Log; public class booleanService extends Service { @Override public IBinder onBind(Intent intent) { return new Iaidl.Stub() { @Override public boolean pushBoolean(boolean arg0) throws RemoteException { Log.i("SERVER(IPC AIDL)", "Truth Value:"+arg0); return arg0; } }; } } The IPCClient file which calls this method is package ipc.android.client2; import ipc.android.aidl.Iaidl; import android.app.Activity; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.content.ServiceConnection; import android.os.Bundle; import android.os.IBinder; import android.os.RemoteException; import android.view.View; import android.widget.Button; public class IPCClient2Activity extends Activity { Button b1; Iaidl iAIDL; boolean k = false; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); bindService(new Intent("ipc.android.server.booleanService"), conn, Context.BIND_AUTO_CREATE); startService(new Intent("ipc.android.server.booleanService")); b1 = (Button) findViewById(R.id.button1); b1.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if(k){ k = false; } else{ k = true; } try { iAIDL.pushBoolean(k); } catch (RemoteException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }); } private ServiceConnection conn = new ServiceConnection() { @Override public void onServiceDisconnected(ComponentName name) { // TODO Auto-generated method stub } @Override public void onServiceConnected(ComponentName name, IBinder service) { iAIDL = Iaidl.Stub.asInterface(service); } }; } The manifest file for IPCServer includes the declaration of the service.

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• Marking Current Location on Map, Android

  - by deewangan

  Hi every one, i followed some tutorials to create an application that shows the current position of the user on the map with a marking. but for some reasons i can't get to work the marking part? the other parts works well, but whenever i add the marking code the application crashes. i hope someone could help me.here is the code: public class LocationActivity extends MapActivity { /** Called when the activity is first created. */ private MapView mapView; private LocationManager lm; private LocationListener ll; private MapController mc; GeoPoint p = null; Drawable defaultMarker = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mapView = (MapView)findViewById(R.id.mapView); //show zoom in/out buttons mapView.setBuiltInZoomControls(true); //Standard view of the map(map/sat) mapView.setSatellite(false); //get controller of the map for zooming in/out mc = mapView.getController(); // Zoom Level mc.setZoom(18); MyLocationOverlay myLocationOverlay = new MyLocationOverlay(); List<Overlay> list = mapView.getOverlays(); list.add(myLocationOverlay); lm = (LocationManager)getSystemService(Context.LOCATION_SERVICE); ll = new MyLocationListener(); lm.requestLocationUpdates( LocationManager.GPS_PROVIDER, 0, 0, ll); //Get the current location in start-up GeoPoint initGeoPoint = new GeoPoint( (int)(lm.getLastKnownLocation( LocationManager.GPS_PROVIDER) .getLatitude()*1000000), (int)(lm.getLastKnownLocation( LocationManager.GPS_PROVIDER) .getLongitude()*1000000)); mc.animateTo(initGeoPoint); } protected class MyLocationOverlay extends com.google.android.maps.Overlay { @Override public boolean draw(Canvas canvas, MapView mapView, boolean shadow, long when) { Paint paint = new Paint(); super.draw(canvas, mapView, shadow); // Converts lat/lng-Point to OUR coordinates on the screen. Point myScreenCoords = new Point(); mapView.getProjection().toPixels(p, myScreenCoords); paint.setStrokeWidth(1); paint.setARGB(255, 255, 255, 255); paint.setStyle(Paint.Style.STROKE); Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.push); canvas.drawBitmap(bmp, myScreenCoords.x, myScreenCoords.y, paint); canvas.drawText("I am here...", myScreenCoords.x, myScreenCoords.y, paint); return true; } } private class MyLocationListener implements LocationListener{ public void onLocationChanged(Location argLocation) { // TODO Auto-generated method stub GeoPoint myGeoPoint = new GeoPoint( (int)(argLocation.getLatitude()*1000000), (int)(argLocation.getLongitude()*1000000)); /* * it will show a message on * location change Toast.makeText(getBaseContext(), "New location latitude [" +argLocation.getLatitude() + "] longitude [" + argLocation.getLongitude()+"]", Toast.LENGTH_SHORT).show(); */ mc.animateTo(myGeoPoint); } public void onProviderDisabled(String provider) { // TODO Auto-generated method stub } public void onProviderEnabled(String provider) { // TODO Auto-generated method stub } public void onStatusChanged(String provider, int status, Bundle extras) { // TODO Auto-generated method stub } } protected boolean isRouteDisplayed() { return false; } } here is the logcat: 01-19 05:31:43.011: DEBUG/AndroidRuntime(759): >>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<< 01-19 05:31:43.011: DEBUG/AndroidRuntime(759): CheckJNI is ON 01-19 05:31:43.411: DEBUG/AndroidRuntime(759): --- registering native functions --- 01-19 05:31:43.431: INFO/jdwp(759): received file descriptor 19 from ADB 01-19 05:31:43.431: INFO/jdwp(759): Ignoring second debugger -- accepting and dropping 01-19 05:31:44.531: INFO/ActivityManager(583): Starting activity: Intent { flg=0x10000000 cmp=pro.googlemapp/.LocationActivity } 01-19 05:31:44.641: DEBUG/AndroidRuntime(759): Shutting down VM 01-19 05:31:44.641: DEBUG/dalvikvm(759): DestroyJavaVM waiting for non-daemon threads to exit 01-19 05:31:44.641: DEBUG/dalvikvm(759): DestroyJavaVM shutting VM down 01-19 05:31:44.641: DEBUG/dalvikvm(759): HeapWorker thread shutting down 01-19 05:31:44.651: DEBUG/dalvikvm(759): HeapWorker thread has shut down 01-19 05:31:44.651: DEBUG/jdwp(759): JDWP shutting down net... 01-19 05:31:44.651: DEBUG/jdwp(759): +++ peer disconnected 01-19 05:31:44.651: INFO/dalvikvm(759): Debugger has detached; object registry had 1 entries 01-19 05:31:44.661: DEBUG/dalvikvm(759): VM cleaning up 01-19 05:31:44.681: INFO/ActivityManager(583): Start proc pro.googlemapp for activity pro.googlemapp/.LocationActivity: pid=770 uid=10025 gids={3003} 01-19 05:31:44.761: DEBUG/dalvikvm(759): LinearAlloc 0x0 used 676436 of 4194304 (16%) 01-19 05:31:44.801: INFO/jdwp(770): received file descriptor 20 from ADB 01-19 05:31:44.822: INFO/dalvikvm(770): ignoring registerObject request in thread=3 01-19 05:31:44.851: INFO/jdwp(770): Ignoring second debugger -- accepting and dropping 01-19 05:31:44.851: ERROR/jdwp(770): Failed writing handshake bytes: Broken pipe (-1 of 14) 01-19 05:31:44.851: INFO/dalvikvm(770): Debugger has detached; object registry had 0 entries 01-19 05:31:45.320: ERROR/ActivityThread(770): Failed to find provider info for com.google.settings 01-19 05:31:45.320: ERROR/ActivityThread(770): Failed to find provider info for com.google.settings 01-19 05:31:45.340: ERROR/ActivityThread(770): Failed to find provider info for com.google.settings 01-19 05:31:45.781: DEBUG/LocationManager(770): Constructor: service = android.location.ILocationManager$Stub$Proxy@4379d9f0 01-19 05:31:45.791: WARN/GpsLocationProvider(583): Duplicate add listener for uid 10025 01-19 05:31:45.791: DEBUG/GpsLocationProvider(583): setMinTime 0 01-19 05:31:45.791: DEBUG/GpsLocationProvider(583): startNavigating 01-19 05:31:45.831: INFO/jdwp(770): received file descriptor 27 from ADB 01-19 05:31:46.001: INFO/MapActivity(770): Handling network change notification:CONNECTED 01-19 05:31:46.001: ERROR/MapActivity(770): Couldn't get connection factory client 01-19 05:31:46.451: DEBUG/dalvikvm(770): GC freed 4539 objects / 298952 bytes in 118ms 01-19 05:31:46.470: DEBUG/AndroidRuntime(770): Shutting down VM 01-19 05:31:46.470: WARN/dalvikvm(770): threadid=3: thread exiting with uncaught exception (group=0x4001aa28) 01-19 05:31:46.481: ERROR/AndroidRuntime(770): Uncaught handler: thread main exiting due to uncaught exception 01-19 05:31:46.541: ERROR/AndroidRuntime(770): java.lang.NullPointerException 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at com.google.android.maps.PixelConverter.toPixels(PixelConverter.java:58) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at com.google.android.maps.PixelConverter.toPixels(PixelConverter.java:48) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at pro.googlemapp.LocationActivity$MyLocationOverlay.draw(LocationActivity.java:101) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at com.google.android.maps.OverlayBundle.draw(OverlayBundle.java:42) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at com.google.android.maps.MapView.onDraw(MapView.java:476) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.View.draw(View.java:6274) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewGroup.drawChild(ViewGroup.java:1526) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1256) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewGroup.drawChild(ViewGroup.java:1524) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1256) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.View.draw(View.java:6277) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.widget.FrameLayout.draw(FrameLayout.java:352) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewGroup.drawChild(ViewGroup.java:1526) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1256) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewGroup.drawChild(ViewGroup.java:1524) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1256) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.View.draw(View.java:6277) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.widget.FrameLayout.draw(FrameLayout.java:352) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:1883) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewRoot.draw(ViewRoot.java:1332) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewRoot.performTraversals(ViewRoot.java:1097) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.view.ViewRoot.handleMessage(ViewRoot.java:1613) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.os.Handler.dispatchMessage(Handler.java:99) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.os.Looper.loop(Looper.java:123) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at android.app.ActivityThread.main(ActivityThread.java:4203) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at java.lang.reflect.Method.invokeNative(Native Method) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at java.lang.reflect.Method.invoke(Method.java:521) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549) 01-19 05:31:46.541: ERROR/AndroidRuntime(770): at dalvik.system.NativeStart.main(Native Method) 01-19 05:31:46.551: INFO/Process(583): Sending signal. PID: 770 SIG: 3 01-19 05:31:46.581: INFO/dalvikvm(770): threadid=7: reacting to signal 3 01-19 05:31:46.661: INFO/dalvikvm(770): Wrote stack trace to '/data/anr/traces.txt' 01-19 05:31:46.871: INFO/ARMAssembler(583): generated scanline__00000077:03515104_00000000_00000000 [ 27 ipp] (41 ins) at [0x2c69c8:0x2c6a6c] in 973448 ns 01-19 05:31:46.911: INFO/ARMAssembler(583): generated scanline__00000077:03515104_00001001_00000000 [ 64 ipp] (84 ins) at [0x2c6a70:0x2c6bc0] in 1985378 ns 01-19 05:31:49.881: INFO/Process(770): Sending signal. PID: 770 SIG: 9 01-19 05:31:49.931: INFO/ActivityManager(583): Process pro.googlemapp (pid 770) has died. 01-19 05:31:49.941: WARN/GpsLocationProvider(583): Unneeded remove listener for uid 1000 01-19 05:31:49.941: DEBUG/GpsLocationProvider(583): stopNavigating 01-19 05:31:49.951: INFO/WindowManager(583): WIN DEATH: Window{438891c0 pro.googlemapp/pro.googlemapp.LocationActivity paused=false} 01-19 05:31:50.111: WARN/UsageStats(583): Unexpected resume of com.android.launcher while already resumed in pro.googlemapp 01-19 05:31:50.200: WARN/InputManagerService(583): Got RemoteException sending setActive(false) notification to pid 770 uid 10025

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• Android - Using PreferenceScreen to display and save settings to/from ContentProvider

  - by Donal Rafferty

  I have my own custom Content Provider that loads a datasbase which contains the settings information for my application. I load the settings from the ContentProvider on the creation of my Settings activity. My Settings activity is made up of a PreferenceScreen and Dialog based EditText's. The following code shows how I use the preference screen and edit texts. So as you can see from the first image this works and displays the menu with the information underneath. The problem is in image two, when I click on a choice in the menu the dialog pops up but it is empty, I would like to be able to load the data from my content provider into the edit text in the dialog, so in image one it shows "Donal" as the user name so in image two "Donal" should also appear in the edit text in the dialog. I would also like to be able to listen to the OK button in the dialog so when a user changes a setting I can update the data in my content provider. Can anyone help me with what I'm trying to do? Code // Root PreferenceScreen root = getPreferenceManager().createPreferenceScreen(this); // Dialog based preferences PreferenceCategory dialogBasedPrefCat = new PreferenceCategory(this); dialogBasedPrefCat.setTitle(R.string.dialog_based_preferences); root.addPreference(dialogBasedPrefCat); // Edit text preference EditTextPreference editTextPref = new EditTextPreference(this); editTextPref.setDialogTitle(R.string.dialog_title_edittext_preference); editTextPref.setKey("edittext_preference"); editTextPref.setTitle(R.string.title_edittext_preference); editTextPref.setSummary(name); dialogBasedPrefCat.addPreference(editTextPref); Image One Image Two

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• RSACryptoServiceProvider CryptographicException System Cannot Find the File Specified under ASP.NET

  - by Will Hughes

  I have an application which is making use of the RSACryptoServiceProvider to decrypt some data using a known private key (stored in a variable). When the IIS Application Pool is configured to use Network Service, everything runs fine. However, when we configure the IIS Application Pool to run the code under a different Identity, we get the following: System.Security.Cryptography.CryptographicException: The system cannot find the file specified. at System.Security.Cryptography.Utils.CreateProvHandle(CspParameters parameters, Boolean randomKeyContainer) at System.Security.Cryptography.RSACryptoServiceProvider.ImportParameters(RSAParameters parameters) at System.Security.Cryptography.RSA.FromXmlString(String xmlString) The code is something like this: byte[] input; byte[] output; string private_key_xml; var provider = new System.Cryptography.RSACryptoServiceProvider(this.m_key.Key_Size); provider.FromXmlString(private_key_xml); // Fails Here when Application Pool Identity != Network Service ouput = provider.Decrypt(input, false); // False = Use PKCS#1 v1.5 Padding There are resources which attempt to answer it by stating that you should give the user read access to the machine key store - however there is no definitive answer to solve this issue. Environment: IIS 6.0, Windows Server 2003 R2, .NET 3.5 SP1

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• vb6 ADODB connection string to sql server 2008

  - by phill

  I recently migrated a database from sql server 2005 to 2008 on windows server 2008. Clients connect fine from their XP machines and so does the SQL Management Studio 2008. I have also tested a remote connection using LINQPad which worked fine. However on my VB6 app, the connection string seems to give me problems. Any ideas what I'm doing wrong? Dim strUserName As String Dim strPassword As String Dim sProc As String sProc = "Class_clsAdoFnx_Initialize" Me.DatabaseName = "db_app" 'Connect to SQL Server strUserName = "admin" strPassword = "mudslinger" Set cSQLConn = New ADODB.Connection '**Original connection String 'cSQLConn.CommandTimeout = 0 'cSQLConn.ConnectionString = " PROVIDER=SQLOLEDB" & _ ' ";SERVER=NET-BRAIN" & _ ' ";UID=" & strUserName & _ ' ";PWD=" & strPassword & _ ' ";DATABASE=" & Me.DatabaseName '***First attempt, no dice 'cSQLConn.ConnectionString = "Provider=sqloledb;" & _ ' "Data Source=NET-BRAIN;" & _ ' "Initial Catalog=DB_APP;" & _ ' "User Id=admin;" & _ ' "Password=mudslinger" 'cSQLConn.Open '***3rd attempt, no dice cSQLConn.Open "Provider=sqloledb;" & _ "Data Source=NET-BRAIN;" & _ "Initial Catalog=db_app;" & _ "User Id=admin;" & _ "Password=mudslinger", "admin", "mudslinger" thanks in advance.

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• seam page parameters not working as expected.

  - by rangalo

  Hi, I am learning seam and following a very famous book Seam In Action by Dan Allen. This is an example from this book. Seam 2.2.0.GA JBoss 5.1.0.GA Here the page parameter roundId is always null even after a round is serialized, it is never passed. Neither to Roud.xhtml nor to RoundEdit.xhtml after clicking save on RoundEdit.xhtml. The entity always stays unmanaged. RoundEdit.page.xml <?xml version="1.0" encoding="UTF-8"?> <page xmlns="http://jboss.com/products/seam/pages" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jboss.com/products/seam/pages http://jboss.com/products/seam/pages-2.2.xsd" login-required="true"> <begin-conversation join="true" /> <param name="roundId" value="#{roundHome.id}" converterId="javax.faces.Long"/> <param name="teeSetId" value="#{teeSetHome.teeSetId}" /> <param name="roundFrom" /> <action execute="#{roundHome.wire}" /> <navigation from-action="#{roundHome.persist}"> <rule if-outcome="persisted"> <end-conversation/> <redirect view-id="#{null != roundFrom ? roundFrom : '/Round.xhtml'}" /> </rule> </navigation> </page> RoundEdit.xhtml <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE composition PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:s="http://jboss.com/products/seam/taglib" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" xmlns:a="http://richfaces.org/a4j" xmlns:rich="http://richfaces.org/rich" template="layout/template.xhtml"> <ui:define name="body"> <h:form id="roundform"> <rich:panel> <f:facet name="header>"> #{roundHome.managed ? 'Edit' : 'Add' } Round </f:facet> <s:decorate id="dateField" template="layout/edit.xhtml"> <ui:define name="label">Date:</ui:define> <rich:calendar id="date" datePattern="dd/MM/yyyy" value="#{round.date}"/> </s:decorate> <s:decorate id="notesField" template="layout/edit.xhtml"> <ui:define name="label">Notes:</ui:define> <h:inputTextarea id="notes" cols="80" rows="3" value="#{round.notes}" /> </s:decorate> <s:decorate id="totalScoreField" template="layout/edit.xhtml"> <ui:define name="label">Total Score:</ui:define> <h:inputText id="totalScore" value="#{round.totalScore}" /> </s:decorate> <s:decorate id="weatherField" template="layout/edit.xhtml"> <ui:define name="label">Weather:</ui:define> <h:selectOneMenu id="weather" value="#{round.weather}"> <s:selectItems var="_weather" value="#{weatherCategories}" label="#{_weather.label}" noSelectionLabel=" Select " /> <s:convertEnum/> </h:selectOneMenu> </s:decorate> <h:messages/> <div style="clear: both;"> <span class="required">*</span> required fields </div> </rich:panel> <div class="actionButtons"> <h:commandButton id="save" value="Save" action="#{roundHome.persist}" rendered="#{!roundHome.managed}" disabled="#{!roundHome.wired}" /> <h:commandButton id="update" value="Update" action="#{roundHome.update}" rendered="#{roundHome.managed}" /> <h:commandButton id="delete" value="Delete" action="#{roundHome.remove}" rendered="#{roundHome.managed}" /> <s:button id="discard" value="Discard changes" propagation="end" view="/Round.xhtml" rendered="#{roundHome.managed}" /> <s:button id="cancel" value="Cancel" propagation="end" view="/#{empty roundFrom ? 'RoundList' : roundFrom}.xhtml" rendered="#{!roundHome.managed}" /> </div> <rich:tabPanel> <rich:tab label="Tee Set"> <div class="association"> <h:outputText value="Tee set not selected" rendered="#{round.teeSet == null}" /> <rich:dataTable var="_teeSet" value="#{round.teeSet}" rendered="#{round.teeSet != null}"> <h:column> <f:facet name="header">Course</f:facet>#{_teeSet.course.name} </h:column> <h:column> <f:facet name="header">Color</f:facet>#{_teeSet.color} </h:column> <h:column> <f:facet name="header">Position</f:facet>#{_teeSet.pos} </h:column> </rich:dataTable> </div> </rich:tab> </rich:tabPanel> </h:form> </ui:define> </ui:composition> Round.page.xml <?xml version="1.0" encoding="UTF-8"?> <page xmlns="http://jboss.com/products/seam/pages" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jboss.com/products/seam/pages http://jboss.com/products/seam/pages-2.2.xsd"> <param name="roundId" value="#{roundHome.id}" converterId="javax.faces.Long"/> </page> Round.xhtml <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE composition PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:s="http://jboss.com/products/seam/taglib" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" xmlns:a="http://richfaces.org/a4j" xmlns:rich="http://richfaces.org/rich" template="layout/template.xhtml"> <ui:define name="body"> <h:form id="roundform"> <rich:panel> <f:facet name="header>">Round</f:facet> <s:decorate id="id" template="layout/display.xhtml"> <ui:define name="label">Id:</ui:define> <h:outputText value="#{null == roundHome.id ? 'null' : roundHome.id}"> <s:convertDateTime type="date" /> </h:outputText> </s:decorate> <s:decorate id="date" template="layout/display.xhtml"> <ui:define name="label">Date:</ui:define> <h:outputText value="#{roundHome.instance.date}"> <s:convertDateTime type="date" /> </h:outputText> </s:decorate> <s:decorate id="golfer" template="layout/display.xhtml"> <ui:define name="label">Golfer:</ui:define> #{roundHome.instance.golfer.name} </s:decorate> <s:decorate id="totalScore" template="layout/display.xhtml"> <ui:define name="label">Total Score:</ui:define> #{roundHome.instance.totalScore} </s:decorate> <s:decorate id="weather" template="layout/display.xhtml"> <ui:define name="label">Weather:</ui:define> #{roundHome.instance.weather} </s:decorate> <s:decorate id="notes" template="layout/display.xhtml"> <ui:define name="label">Notes:</ui:define> #{roundHome.instance.notes} </s:decorate> <div style="clear:both"/> </rich:panel> <div class="actionButtons"> <s:button id="edit" view="/RoundEdit.xhtml" value="Edit" /> </div> <rich:tabPanel> <rich:tab label="Tee Set"> <div class="association"> <h:outputText value="Tee set not selected" rendered="#{roundHome.instance.teeSet == null}" /> <rich:dataTable var="_teeSet" value="#{roundHome.instance.teeSet}" rendered="#{roundHome.instance.teeSet != null}"> <h:column> <f:facet name="header">Course</f:facet>#{_teeSet.course.name} </h:column> <h:column> <f:facet name="header">Color</f:facet>#{_teeSet.color} </h:column> <h:column> <f:facet name="header">Position</f:facet>#{_teeSet.pos} </h:column> </rich:dataTable> </div> </rich:tab> </rich:tabPanel> </h:form> </ui:define> </ui:composition> The entityHome RoundHome.java @Name("roundHome") public class RoundHome extends EntityHome<Round>{ @In(required = false) private Golfer currentGolfer; @In(create = true) private TeeSetHome teeSetHome; @Logger private Log logger; public void wire() { logger.info("wire called"); TeeSet teeSet = teeSetHome.getDefinedInstance(); if (null != teeSet) { getInstance().setTeeSet(teeSet); logger.info("Successfully wired the teeSet instance with color: " + teeSet.getColor()); } } public boolean isWired() { logger.info("is wired called"); if(null == getInstance().getTeeSet()) { logger.info("wired teeSet instance is null, the button will be disabled !"); return false; } else { logger.info("wired teeSet instance is NOT null, the button will be enabled !"); logger.info("teeSet color: "+getInstance().getTeeSet().getColor()); return true; } } @RequestParameter public void setRoundId(Long id) { logger.info("in Setter RoundId is: " + id); super.setId(id); } public Long getRoundId() { Long id = (Long) getId(); logger.info("Setting RoundId : " + id); return id; } @Override protected Round createInstance() { Round round = super.createInstance(); round.setGolfer(currentGolfer); round.setDate(new java.sql.Date(System.currentTimeMillis())); logger.info("Created a Round with roundId: " + round.getId()); return round; } @Override protected Round loadInstance() { logger.info("loadInstance for id: " + getId()); return (Round) getEntityManager().createQuery( "select r from Round r " + "join fetch r.golfer g " + "join fetch r.teeSet ts " + "join fetch ts.course c " + "where r.id = :id ") .setParameter("id",getId()) .getSingleResult(); } }

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• How to encrypt Amazon CloudFront signature for private content access using canned policy

  - by Chet

  Has anyone using .net actually worked out how to successfully sign a signature to use with CloudFront private content? After a couple of days of attempts all I can get is Access Denied. I have been working with variations of the following code and also tried using OpenSSL.Net and AWSSDK but that does not have a sign method for RSA-SHA1 yet. The signature (data) looks like this {"Statement":[{"Resource":"http://xxxx.cloudfront.net/xxxx.jpg","Condition":?{"DateLessThan":?{"AWS:EpochTime":1266922799}}}]} This method attempts to sign the signature for use in the canned url. So of the variations have included chanding the padding used in the has and also reversing the byte[] before signing as apprently OpenSSL do it this way. public string Sign(string data) { using (SHA1Managed SHA1 = new SHA1Managed()) { RSACryptoServiceProvider provider = new RSACryptoServiceProvider(); RSACryptoServiceProvider.UseMachineKeyStore = false; // Amazon PEM converted to XML using OpenSslKey provider.FromXmlString("<RSAKeyValue><Modulus>....."); byte[] plainbytes = System.Text.Encoding.UTF8.GetBytes(data); byte[] hash = SHA1.ComputeHash(plainbytes); //Array.Reverse(sig); // I have see some examples that reverse the hash byte[] sig = provider.SignHash(hash, "SHA1"); return Convert.ToBase64String(sig); } } Its useful to note that I have verified the content is setup correctly in S3 and CloudFront by generating a CloudFront canned policy url using my CloudBerry Explorer. How do they do it? Any ideas would be much appreciated. Thanks

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• Crawler do not create custom crawled properties

  - by user173739

  These days i have faced with very strange problem. I have development environment with MOSS 2007 SP 2 and WS 2008, i have search configured and everything works great. I have started to configuring staging environment (MOSS 2007 SP2 with June CU) and create new farm and new SSP. I have deployed my changes with package (wsp) and manually create site collections, sub webs, pages and so on. When fill crawl finishes, i see in Crawl log that all my pages have been successfully crawled and when i use some test tools to query search, my pages have been found. In crawl log there is few errors like http://mysite/sites/de/pages "The crawler could not communicate with the server. Check that the server is available and that the firewall access is configured correctly..", but all pages in this Page library were indexed. The problem is that i use custom managed properties (mapped to custom crawled properties) in search queries, but crawler didn't create crawled properties for all my new site columns. For example for site column IsAccent the crawler didn't create cralwed property ows_isAccesnt. I'm sure that i have created pages for specific content type and all my crawl categories have checked "Automatically discover new properties when a crawl takes place ". In site settings - Searchable columns i haven't got any column selected as Nocrowl. I tried to export my managed and crawled properties from dev environment to stage evironment but all my managed properties were empty, after that i recreated SSP...the result was the same... I checked specific page with tools like Sharepoint Manager 2007 and U2U Caml Query Builder 2007 that content type is correct, and i can see values of my custom site collumns.... Using U2U Caml Query Builder 2007 agains some Page library in Result tab i can see ows_IsAccent (my site collumn is IsAccent) and others site columns, but i can't find them in Crawled properties. Any idias?

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• What's this error messages mean?

  - by flybirdtt

  03-20 11:41:28.103: ERROR/vold(550): Error opening switch name path '/sys/class/switch/test2' (No such file or directory) 03-20 11:41:28.103: ERROR/vold(550): Error bootstrapping switch '/sys/class/switch/test2' (m) 03-20 11:41:28.103: ERROR/vold(550): Error opening switch name path '/sys/class/switch/test' (No such file or directory) 03-20 11:41:28.103: ERROR/vold(550): Error bootstrapping switch '/sys/class/switch/test' (m) 03-20 11:41:28.153: ERROR/flash_image(557): can't find recovery partition 03-20 11:41:51.493: ERROR/MemoryHeapBase(585): error opening /dev/pmem: No such file or directory 03-20 11:41:51.503: ERROR/SurfaceFlinger(585): Couldn't open /sys/power/wait_for_fb_sleep or /sys/power/wait_for_fb_wake 03-20 11:41:51.572: ERROR/GLLogger(585): couldn't load library (Cannot find library) 03-20 11:41:52.144: ERROR/GLLogger(585): couldn't load library (Cannot find library) 03-20 11:41:59.913: ERROR/BatteryService(585): Could not open '/sys/class/power_supply/usb/online' 03-20 11:41:59.923: ERROR/BatteryService(585): Could not open '/sys/class/power_supply/battery/batt_vol' 03-20 11:41:59.943: ERROR/BatteryService(585): Could not open '/sys/class/power_supply/battery/batt_temp' 03-20 11:42:00.532: ERROR/EventHub(585): could not get driver version for /dev/input/mouse0, Not a typewriter 03-20 11:42:00.563: ERROR/EventHub(585): could not get driver version for /dev/input/mice, Not a typewriter 03-20 11:42:00.793: ERROR/System(585): Failure starting core service 03-20 11:42:00.793: ERROR/System(585): java.lang.SecurityException 03-20 11:42:00.793: ERROR/System(585): at android.os.BinderProxy.transact(Native Method) 03-20 11:42:00.793: ERROR/System(585): at android.os.ServiceManagerProxy.addService(ServiceManagerNative.java:146) 03-20 11:42:00.793: ERROR/System(585): at android.os.ServiceManager.addService(ServiceManager.java:72) 03-20 11:42:00.793: ERROR/System(585): at com.android.server.ServerThread.run(SystemServer.java:163) 03-20 11:42:00.823: ERROR/AndroidRuntime(585): Crash logging skipped, no checkin service 03-20 11:42:02.993: ERROR/LockPatternKeyguardView(585): Failed to bind to GLS while checking for account 03-20 11:42:10.204: ERROR/ApplicationContext(585): Couldn't create directory for SharedPreferences file shared_prefs/wallpaper-hints.xml 03-20 11:42:11.539: ERROR/ActivityThread(624): Failed to find provider info for android.server.checkin 03-20 11:42:12.889: ERROR/ActivityThread(624): Failed to find provider info for android.server.checkin 03-20 11:42:13.048: ERROR/ActivityThread(624): Failed to find provider info for android.server.checkin

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• Java 1.5 crypto on OS X - AccessControlException

  - by bpapa

  I'm trying to do a Google App Engine project on OS X (latest and greatest). I'm using classes from javax.crypto, and I'm seeing an AccessControlException thrown when I try to initialize an instance of the Mac class. Here's the stack trace: WARNING: Nested in java.lang.ExceptionInInitializerError: java.security.AccessControlException: access denied (java.lang.RuntimePermission loadLibrary.keychain) at java.security.AccessControlContext.checkPermission(AccessControlContext.java:264) at java.security.AccessController.checkPermission(AccessController.java:427) at java.lang.SecurityManager.checkPermission(SecurityManager.java:532) at com.google.appengine.tools.development.DevAppServerFactory$CustomSecurityManager.checkPermission(DevAppServerFactory.java:76) at java.lang.SecurityManager.checkLink(SecurityManager.java:818) at java.lang.Runtime.loadLibrary0(Runtime.java:816) at java.lang.System.loadLibrary(System.java:993) at com.apple.crypto.provider.HmacCore.<clinit>(HmacCore.java:26) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:494) at java.lang.Class.newInstance0(Class.java:350) at java.lang.Class.newInstance(Class.java:303) at java.security.Provider$Service.newInstance(Provider.java:1130) at javax.crypto.Mac.a(DashoA12275) at javax.crypto.Mac.init(DashoA12275) Any ideas on 1 - what went wrong and how fix it 2 - if it's not fixable (I know Apple has not been the best supporter of Java in recent years), what's an alternative approach?

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• Problem reading from two separate InputStreams

  - by Emil H

  I'm building a Yammer client for Android in Scala and have encountered the following issue. When two AsyncTasks try to parse an XML response (not the same, each task has it's own InputStream) from the Yammer API the underlying stream throws a IOException with the message "null SSL pointer", as seen below: Uncaught handler: thread AsyncTask #1 exiting due to uncaught exception java.lang.RuntimeException: An error occured while executing doInBackground() at android.os.AsyncTask$3.done(AsyncTask.java:200) at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:234) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:258) at java.util.concurrent.FutureTask.run(FutureTask.java:122) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:648) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:673) at java.lang.Thread.run(Thread.java:1060) Caused by: java.io.IOException: null SSL pointer at org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl.nativeread(Native Method) at org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl.access$300(OpenSSLSocketImpl.java:55) at org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl$SSLInputStream.read(OpenSSLSocketImpl.java:524) at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:103) at org.apache.http.impl.io.AbstractSessionInputBuffer.read(AbstractSessionInputBuffer.java:134) at org.apache.http.impl.io.ContentLengthInputStream.read(ContentLengthInputStream.java:174) at org.apache.http.impl.io.ContentLengthInputStream.read(ContentLengthInputStream.java:188) at org.apache.http.conn.EofSensorInputStream.read(EofSensorInputStream.java:178) at org.apache.harmony.xml.ExpatParser.parseFragment(ExpatParser.java:504) at org.apache.harmony.xml.ExpatParser.parseDocument(ExpatParser.java:467) at org.apache.harmony.xml.ExpatReader.parse(ExpatReader.java:329) at org.apache.harmony.xml.ExpatReader.parse(ExpatReader.java:286) at javax.xml.parsers.SAXParser.parse(SAXParser.java:361) at org.mediocre.util.XMLParser$.loadXML(XMLParser.scala:28) at org.mediocre.util.XMLParser$.loadXML(XMLParser.scala:12) ..... Searching for the error didn't give much clarity. Does this have something to do with the response from the server? Or is it something else? Complete code can be found at: http://github.com/archevel/YammerTime I get no error if I wait until the first repsponse is finished and then let the other complete. The request is made with the DefaultHttpClient, but this is supposedly thread safe. What am I missing? If anything needs to be clarified just ask :) Cheers, Emil H

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• Delegates in .NET: how are they constructed ?

  - by Saulius

  While inspecting delegates in C# and .NET in general, I noticed some interesting facts: Creating a delegate in C# creates a class derived from MulticastDelegate with a constructor: .method public hidebysig specialname rtspecialname instance void .ctor(object 'object', native int 'method') runtime managed { } Meaning that it expects the instance and a pointer to the method. Yet the syntax of constructing a delegate in C# suggests that it has a constructor new MyDelegate(int () target) where I can recognise int () as a function instance (int *target() would be a function pointer in C++). So obviously the C# compiler picks out the correct method from the method group defined by the function name and constructs the delegate. So the first question would be, where does the C# compiler (or Visual Studio, to be precise) pick this constructor signature from ? I did not notice any special attributes or something that would make a distinction. Is this some sort of compiler/visualstudio magic ? If not, is the T (args) target construction valid in C# ? I did not manage to get anything with it to compile, e.g.: int () target = MyMethod; is invalid, so is doing anything with MyMetod, e.g. calling .ToString() on it (well this does make some sense, since that is technically a method group, but I imagine it should be possible to explicitly pick out a method by casting, e.g. (int())MyFunction. So is all of this purely compiler magic ? Looking at the construction through reflector reveals yet another syntax: Func CS$1$0000 = new Func(null, (IntPtr) Foo); This is consistent with the disassembled constructor signature, yet this does not compile! One final interesting note is that the classes Delegate and MulticastDelegate have yet another sets of constructors: .method family hidebysig specialname rtspecialname instance void .ctor(class System.Type target, string 'method') cil managed Where does the transition from an instance and method pointer to a type and a string method name occur ? Can this be explained by the runtime managed keywords in the custom delegate constructor signature, i.e. does the runtime do it's job here ?

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• Removing and adding persistent stores to a core data application

  - by mkko

  I'm using core data on an iPhone application. I have multiple persisntent stores that I'm switching from one to another so that only one of the stores can be active at the time. I have one managed object context and the different persistent stores are similar in data format (sqlite) and share the same managed object model. I'm importing the data to each persistent store from a respective XML file. For the first import everything works fine, but after I remove the imported data (the persistent store and the physical file) and then re-import, core data gives me an error: *** Terminating app due to uncaught exception 'NSObjectInaccessibleException', reason: 'The NSManagedObject with ID:0x3c14e00 <x-coredata://6D14F11E-2EA7-4141-9BE8-53747DE6FCC6/Book/p2> has been invalidated.' This error comes from the save: of NSManagedObjectContext. Before re-importing, i'm removing the persistent store from the persistent store coordinator and removing the physical file, so everything should be as if re-importing was done for the first time. Alos, the objects in managed object context are removed and the context is sent the reset: message (I don't know if this is actually needed). Could some one help me out here? How should the persistent store be switched? I'm basically using the same logic as tutored here: http://blog.sallarp.com/iphone-core-data-uitableview-drill-down/ Thanks in advance.

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• Problems with zend-tool reporting that providers are not valid

  - by Mario

  I have recently setup XAMPP 1.7.3 and ZendFramework 1.10.4 on a new computer and many of the commands that I normally use now fail. Here are the steps I used to setup and test ZF. First I added the ZF library folder (C:\xampp\php\ZendFramework-1.10.4\library) to the include path in php.ini. Then I added the ZF bin folder (C:\xampp\php\ZendFramework-1.10.4\bin) to my Path system variable. To test that everything is configured correctly I ran the command "zf show version" from the command line. The result is "Zend Framework Version: 1.9.6". Immediately something appears to be wrong. The file that is downloaded is "ZendFramework-1.10.4.zip" and the reported version is 1.9.6. I have re-downloaded the latest version (1.10.4) and removed old copy. Still the incorrect version number problem persisted. Having done some research there is a bug in the ZF knowledgebase that version 1.10.3 reports a wrong version number. So that may explain the version number problem. Moving forward I tried to run some zf-tool commands and certain commands reports that the action or provider is not valid. Example: C:\xampp\htdocs>zf create project test Creating project at C:/xampp/htdocs/test C:\xampp\htdocs>cd test C:\xampp\htdocs\test>zf create controller Test Creating a controller at C:\xampp\htdocs\test/application/controllers/TestController.php ... Updating project profile 'C:\xampp\htdocs\test/.zfproject.xml' C:\xampp\htdocs\test>zf create action test Test Creating an action named test inside controller at C:\xampp\htdocs\test/application/controllers/TestController.php ... Updating project profile 'C:\xampp\htdocs\test/.zfproject.xml' C:\xampp\htdocs\test>zf enable layout An Error Has Occurred Action 'enable' is not a valid action. ... C:\xampp\htdocs\test>zf create form Test An Error Has Occurred Provider 'form' is not a valid provider. ... Can any one provide insight into these errors and how to correct them?

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• sp_addlinkserver using trigger

  - by Nanda

  I have the following trigger, which causes an error when it runs: CREATE TRIGGER ... ON ... FOR INSERT, UPDATE AS IF UPDATE(STATUS) BEGIN DECLARE @newPrice VARCHAR(50) DECLARE @FILENAME VARCHAR(50) DECLARE @server VARCHAR(50) DECLARE @provider VARCHAR(50) DECLARE @datasrc VARCHAR(50) DECLARE @location VARCHAR(50) DECLARE @provstr VARCHAR(50) DECLARE @catalog VARCHAR(50) DECLARE @DBNAME VARCHAR(50) SET @server=xx SET @provider=xx SET @datasrc=xx SET @provstr='DRIVER={SQL Server};SERVER=xxxxxxxx;UID=xx;PWD=xx;' SET @DBNAME='[xx]' SET @newPrice = (SELECT STATUS FROM Inserted) SET @FILENAME = (SELECT INPUT_XML_FILE_NAME FROM Inserted) IF @newPrice = 'FAIL' BEGIN EXEC master.dbo.sp_addlinkedserver @server, '', @provider, @datasrc, @provstr EXEC master.dbo.sp_addlinkedsrvlogin @server, 'true' INSERT INTO [@server].[@DBNAME].[dbo].[maildetails] ( 'to', 'cc', 'from', 'subject', 'body', 'status', 'Attachment', 'APPLICATION', 'ID', 'Timestamp', 'AttachmentName' ) VALUES ( 'P23741', '', '', 'XMLFAILED', @FILENAME, '4', '', '8', '', GETDATE(), '' ) EXEC sp_dropserver @server END END The error is: Msg 15002, Level 16, State 1, Procedure sp_MSaddserver_internal, Line 28 The procedure 'sys.sp_addlinkedserver' cannot be executed within a transaction. Msg 15002, Level 16, State 1, Procedure sp_addlinkedsrvlogin, Line 17 The procedure 'sys.sp_addlinkedsrvlogin' cannot be executed within a transaction. Msg 15002, Level 16, State 1, Procedure sp_dropserver, Line 12 The procedure 'sys.sp_dropserver' cannot be executed within a transaction. How can I prevent this error from occurring?

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• Memory leak with NSData

  - by Kamchatka

  I'm having a leak with this code without being able to find where it's coming from. This function get called within an autorelease pool. I release the IplImage* image argument. When I run the ObjAlloc tool, it tells me that "NSData* data" is leaking. If I try to manually release the UIImage returned by this function, I get an EXC_BAD_ACCESS error, probably because this UIImage is autoreleased. I'm a bit confused, any hint would be appreciated. Thanks! UIImage *UIImageFromIplImage(IplImage *image) { NSLog(@"IplImage (%d, %d) %d bits by %d channels, %d bytes/row %s", image->width, image->height, image->depth, image->nChannels, image->widthStep, image->channelSeq); CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); NSData *data = [NSData dataWithBytes:image->imageData length:image->imageSize]; CGDataProviderRef provider = CGDataProviderCreateWithCFData((CFDataRef)data); CGImageRef imageRef = CGImageCreate(image->width, image->height, image->depth, image->depth * image->nChannels, image->widthStep, colorSpace, kCGImageAlphaNone|kCGBitmapByteOrderDefault, provider, NULL, false, kCGRenderingIntentDefault); UIImage *ret = [UIImage imageWithCGImage:imageRef]; CGImageRelease(imageRef); CGDataProviderRelease(provider); CGColorSpaceRelease(colorSpace); return ret; }

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• Convert.ToDateTime causes FormatException on afternoon date/time values

  - by Sam

  We have an application parsing date/time values in the following format: 2009-10-10 09:19:12.124 2009-10-10 12:13:14.852 2009-10-10 13:00:00 2009-10-10 15:23:32.022 One particular server all of the sudden (today) started failing to parse any times 13:00:00 or later. This particular client has five servers and only one has the problem. We have dozens of other clients with a total of hundreds of servers without the problem. System.FormatException: String was not recognized as a valid DateTime. at System.DateTimeParse.Parse(String s, DateTimeFormatInfo dtfi, DateTimeStyles styles) at System.DateTime.Parse(String s, IFormatProvider provider) at System.Convert.ToDateTime(String value, IFormatProvider provider) at System.String.System.IConvertible.ToDateTime(IFormatProvider provider) at System.Convert.ToDateTime(Object value) I ran a test using DateTime.Parse(s, CultureInfo.CurrentCulture) comapred to DateTime.Parse(s, CultureInfo.InvariantCulture) and the problem only shows up with CurrentCulture. However, CurrentCulture is "en-US" just like all the other servers and there's nothing different that I can find in regional or language settings. Has anyone seen this before? Suggestions related to what I can look into? EDIT: Thank you for the answers so far. However, I'm looking for suggestions on what configuration to look into that could have caused this to suddenly change behavior and stop working when it's worked for years and works on hundreds of other servers. I've already changed it for the next version, but I'm looking for a configuration change to fix this in the interim for the current installation.

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• How can I simulate this application hang scenario?

  - by Pwninstein

  I have a Windows Forms app that itself launches different threads to do different kinds of work. Occasionally, ALL threads (including the UI thread) become frozen, and my app becomes unresponsive. I've decided it may be a Garbage Collector-related issue, as the GC will freeze all managed threads temporarily. To verify that just managed threads are frozen, I spin up an unmanaged one that writes to a "heartbeat" file with a timestamp every second, and it is not affected (i.e. it still runs): public delegate void ThreadProc(); [DllImport("UnmanagedTest.dll", EntryPoint = "MyUnmanagedFunction")] public static extern void MyUnmanagedFunction(); [DllImport("kernel32")] public static extern IntPtr CreateThread( IntPtr lpThreadAttributes, uint dwStackSize, IntPtr lpStartAddress, IntPtr lpParameter, uint dwCreationFlags, out uint dwThreadId); uint threadId; ThreadProc proc = new ThreadProc(MyUnmanagedFunction); IntPtr functionPointer = Marshal.GetFunctionPointerForDelegate(proc); IntPtr threadHandle = CreateThread(IntPtr.Zero, 0, functionPointer, IntPtr.Zero, 0, out threadId); My Question is: how can I simulate this situation, where all managed threads are suspended but unmanaged ones keep on spinning? My first stab: private void button1_Click(object sender, EventArgs e) { Thread t = new Thread(new ThreadStart(delegate { new Hanger(); GC.Collect(2, GCCollectionMode.Forced); })); t.Start(); } class Hanger{ private int[] m_Integers = new int[10000000]; public Hanger() { } ~Hanger() { Console.WriteLine("About to hang..."); //This doesn't reproduce the desired behavior //while (true) ; //Neither does this //Thread.Sleep(System.Threading.Timeout.Infinite); } } Thanks in advance!!

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• Could not load ConfigurationSection class - type

  - by nCdy

  at web.config <section name="FlowWebDataProviders" type="FlowWebProvidersSection" requirePermission="false"/> <FlowWebDataProviders peopleProviderName="sqlProvider" IzmListProviderName="sqlProvider"> <PeopleProviders> <add name="sqlProvider" type="SqlPeopleProvider" connectionStringName="FlowServerConnectionString"/> <add name="xmlProvider" type="XmlPeopleProvider" schemaFile="People.xsd" dataFile="People.xml"/> </PeopleProviders> <IzmListProviders> <add name="sqlProvider" type="SqlIzmListProvider" connectionStringName="FlowServerConnectionString"/> </IzmListProviders> </FlowWebDataProviders> and public class FlowWebProvidersSection : ConfigurationSection { [ConfigurationProperty("peopleProviderName", IsRequired = true)] public PeopleProviderName : string { get { this["peopleProviderName"] :> string } set { this["peopleProviderName"] = value; } } [ConfigurationProperty("IzmListProviderName", IsRequired = true)] public IzmListProviderName : string { get { (this["IzmListProviderName"] :> string) } set { this["IzmListProviderName"] = value; } } [ConfigurationProperty("PeopleProviders")] [ConfigurationValidatorAttribute(typeof(ProviderSettingsValidation))] public PeopleProviders : ProviderSettingsCollection { get { this["PeopleProviders"] :> ProviderSettingsCollection } } [ConfigurationProperty("IzmListProviders")] [ConfigurationValidatorAttribute(typeof(ProviderSettingsValidation))] public IzmListProviders : ProviderSettingsCollection { get { this["IzmListProviders"] :> ProviderSettingsCollection } } } and public class ProviderSettingsValidation : ConfigurationValidatorBase { public override CanValidate(typex : Type) : bool { if(typex : object == typeof(ProviderSettingsCollection)) true else false } /// <summary> // validate the provider section /// </summary> public override Validate(value : object) : void { mutable providerCollection : ProviderSettingsCollection = match(value) { | x is ProviderSettingsCollection => x | _ => null } unless (providerCollection == null) { foreach (_provider is ProviderSettings in providerCollection) { when (String.IsNullOrEmpty(_provider.Type)) { throw ConfigurationErrorsException("Type was not defined in the provider"); } mutable dataAccessType : Type = Type.GetType(_provider.Type); when (dataAccessType == null) { throw (InvalidOperationException("Provider's Type could not be found")); } } } } } project : Web Application ... I need to find error first . . . why : Error message parser: Error creating configuration section handler for FlowWebDataProviders: Could not load type 'FlowWebProvidersSection'. ? by the way : syntax of nemerle (current language) is very similar C#, don't afraid to read the code... thank you

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• JSF Render response programmatically

  - by Shamik

  I have one parent page with a parentManagedBean (attached to Session Scope). On click of a button on this parent page, one popup comes which has a childManagedBean (attached to Request scope). Now ChildManagedBean holds a reference to parentManaged bean through JSF's managed property facility. On this popup window, user selects some option which populates a large value object. I use the managed property of childManagedBean to set the values from this large object to that of parentManagedBean. Problem is - The parent page shows a link, on click of which a popup comes, on selection of the popup, the popup disappears and set the values to the parentManaged bean. So far so good, but the newly set values need to appear on the parent page. This is where I am stuck. How to programmatically render the master page/render page when I am at the child managed bean? Is there a way I can get handle of the parent page and refresh it? Note: I'm using JSF 1.1 EDIT- After following the solution of "resubmit-ing the form" from javascript, I am seeing that the old form is getting resubmitting which overwrites all of my changed values.

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• Automation Error upon running VBA script in Excel

  - by brohjoe

  Hi guys, I'm getting an Automation error upon running VBA code in Excel 2007. I'm attempting to connect to a remote SQL Server DB and load data to from Excel to SQL Server. The error I get is, "Run-time error '-2147217843(80040e4d)': Automation error". I checked out the MSDN site and it suggested that this may be due to a bug associated with the sqloledb provider and one way to mitigate this is to use ODBC. Well I changed the connection string to reflect ODBC provider and associated parameters and I'm still getting the same error. Here is the code with ODBC as the provider: Dim cnt As ADODB.Connection Dim rst As ADODB.Recordset Dim stSQL As String Dim wbBook As Workbook Dim wsSheet As Worksheet Dim rnStart As Range Public Sub loadData() 'This was set up using Microsoft ActiveX Data Components version 6.0. 'Create ADODB connection object, open connection and construct the connection string object. Set cnt = New ADODB.Connection cnt.ConnectionString = _ "Driver={SQL Server}; Server=onlineSQLServer2010.foo.com; Database=fooDB Uid=logonalready;Pwd='helpmeOB1';" cnt.Open On Error GoTo ErrorHandler 'Open Excel and run query to export data to SQL Server. strSQL = "SELECT * INTO SalesOrders FROM OPENDATASOURCE('Microsoft.ACE.OLEDB.12.0', & _ "'Data Source=C:\Database.xlsx; Extended Properties=Excel 12.0')...[SalesOrders$]" cnt.Execute (strSQL) 'Error handling. ErrorExit: 'Reclaim memory from the connection objects Set rst = Nothing Set cnt = Nothing Exit Sub ErrorHandler: MsgBox Err.Description, vbCritical Resume ErrorExit 'clean up and reclaim memory resources. cnt.Close If CBool(cnt.State And adStateOpen) Then Set rst = Nothing Set cnt = Nothing End If End Sub

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• How to delete a large cookie that causes Apache to 400

  - by jakemcgraw

  I've come across an issue where a web application has managed to create a cookie on the client, which, when submitted by the client to Apache, causes Apache to return the following: HTTP/1.1 400 Bad Request Date: Mon, 08 Mar 2010 21:21:21 GMT Server: Apache/2.2.3 (Red Hat) Content-Length: 7274 Connection: close Content-Type: text/html; charset=iso-8859-1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <html><head> <title>400 Bad Request</title> </head><body> <h1>Bad Request</h1> <p>Your browser sent a request that this server could not understand.<br /> Size of a request header field exceeds server limit.<br /> <pre> Cookie: ::: A REALLY LONG COOKIE ::: </pre> </p> <hr> <address>Apache/2.2.3 (Red Hat) Server at www.foobar.com Port 80</address> </body></html> After looking into the issue, it would appear that the web application has managed to create a really long cookie, over 7000 characters. Now, don't ask me how the web application was able to do this, I was under the impression browsers were supposed to prevent this from happening. I've managed to come up with a solution to prevent the cookies from growing out of control again. The issue I'm trying to tackle is how do I reset the large cookie on the client if every time the client tries to submit a request to Apache, Apache returns a 400 client error? I've tried using the ErrorDocument directive, but it appears that Apache bails on the request before reaching any custom error handling.

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