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Posted to commits@wicket.apache.org by "Martin Grigorov (Commented) (JIRA)" <ji...@apache.org> on 2012/02/06 09:25:59 UTC
[jira] [Commented] (WICKET-4385) Mounting pages using application
instance is broken
[ https://issues.apache.org/jira/browse/WICKET-4385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13201134#comment-13201134 ]
Martin Grigorov commented on WICKET-4385:
-----------------------------------------
Not sure how 1.4 supported this. There is no special code that exports "this" as a ThreadLocal.
To use the Application from a non-request thread you need to export it as ThreadLocal.
Use ThreadContext.setApplication(app) and revert that in a "finally".
> Mounting pages using application instance is broken
> ---------------------------------------------------
>
> Key: WICKET-4385
> URL: https://issues.apache.org/jira/browse/WICKET-4385
> Project: Wicket
> Issue Type: Bug
> Affects Versions: 1.5.4
> Reporter: Łukasz Dywicki
> Labels: osgi, wicket
>
> We mount some pages dynamically, using different thread than wicket filter. Our extension tracks service registry and once it finds something it calls application instance to mount new page. To don't use ThreadLocals we keep application assigned to private field. It worked well with Wicket 1.4.x.
> {code}
> public final class PageMounterTracker extends ServiceTracker {
> private final WebApplication application;
> @Override
> public final Object addingService(ServiceReference reference) {
> PageMounter mounter = (PageMounter) super.addingService(reference);
> List<MountPointInfo> infos = mounter.getMountPoints();
> for (MountPointInfo info : infos) {
> application.unmount(info.getPath());
> application.mountPage(info.getPath(), info.getPage());
> }
> return mounter;
> }
> @Override
> public final void removedService(ServiceReference reference, Object mounter) {
> PageMounter pageMounter = (PageMounter) mounter;
> List<MountPointInfo> infos = pageMounter.getMountPoints();
> for (MountPointInfo info : infos) {
> application.unmount(info.getPath());
> }
> super.removedService(reference, pageMounter);
> }
> }
> {code}
> {code}ERROR: Bundle org.ops4j.pax.wicket.service [72] EventDispatcher: Error during dispatch. (org.apache.wicket.WicketRuntimeException: There is no application attached to current thread Karaf Shell Console Thread)
> org.apache.wicket.WicketRuntimeException: There is no application attached to current thread Karaf Shell Console Thread
> at org.apache.wicket.Application.get(Application.java:230)
> at org.apache.wicket.request.mapper.AbstractComponentMapper.getContext(AbstractComponentMapper.java:46)
> at org.apache.wicket.request.mapper.PageInstanceMapper.matches(PageInstanceMapper.java:163)
> at org.apache.wicket.request.mapper.PageInstanceMapper.mapRequest(PageInstanceMapper.java:62)
> at org.apache.wicket.request.mapper.CompoundRequestMapper.unmount(CompoundRequestMapper.java:194)
> at org.apache.wicket.protocol.http.WebApplication.unmount(WebApplication.java:377)
> at org.ops4j.pax.wicket.internal.PageMounterTracker.removedService(PageMounterTracker.java:91)
> at org.osgi.util.tracker.ServiceTracker$Tracked.customizerRemoved(ServiceTracker.java:922)
> at org.osgi.util.tracker.AbstractTracked.untrack(AbstractTracked.java:351)
> at org.osgi.util.tracker.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:865)
> at org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:871)
> at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:733)
> at org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:662)
> at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:3772)
> at org.apache.felix.framework.Felix.access$000(Felix.java:80)
> at org.apache.felix.framework.Felix$2.serviceChanged(Felix.java:729)
> at org.apache.felix.framework.ServiceRegistry.unregisterService(ServiceRegistry.java:135)
> at org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:129)
> at org.ops4j.pax.wicket.util.DefaultPageMounter.dispose(DefaultPageMounter.java:84)
> at org.ops4j.pax.wicket.internal.BundleDelegatingPageMounter.stop(BundleDelegatingPageMounter.java:68)
> at org.ops4j.pax.wicket.internal.extender.BundleDelegatingExtensionTracker.removeServicesForServiceReference(BundleDelegatingExtensionTracker.java:107)
> at org.ops4j.pax.wicket.internal.extender.BundleDelegatingExtensionTracker.removedService(BundleDelegatingExtensionTracker.java:86)
> at org.osgi.util.tracker.ServiceTracker$Tracked.customizerRemoved(ServiceTracker.java:922)
> at org.osgi.util.tracker.AbstractTracked.untrack(AbstractTracked.java:351)
> at org.osgi.util.tracker.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:865)
> at org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:871)
> at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:733)
> at org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:662)
> at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:3772)
> at org.apache.felix.framework.Felix.access$000(Felix.java:80)
> at org.apache.felix.framework.Felix$2.serviceChanged(Felix.java:729)
> at org.apache.felix.framework.ServiceRegistry.unregisterService(ServiceRegistry.java:135)
> at org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:129)
> at org.ops4j.pax.wicket.util.DefaultWebApplicationFactory.dispose(DefaultWebApplicationFactory.java:79)
> at org.ops4j.pax.wicket.internal.injection.ApplicationDecorator.stop(ApplicationDecorator.java:76)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.aries.blueprint.utils.ReflectionUtils.invoke(ReflectionUtils.java:226)
> at org.apache.aries.blueprint.container.BeanRecipe.invoke(BeanRecipe.java:824)
> at org.apache.aries.blueprint.container.BeanRecipe.destroy(BeanRecipe.java:741)
> at org.apache.aries.blueprint.container.BlueprintRepository.destroy(BlueprintRepository.java:295)
> at org.apache.aries.blueprint.container.BlueprintContainerImpl.destroyComponents(BlueprintContainerImpl.java:681)
> at org.apache.aries.blueprint.container.BlueprintContainerImpl.namespaceHandlerUnregistered(BlueprintContainerImpl.java:868)
> at org.apache.aries.blueprint.namespace.NamespaceHandlerRegistryImpl$NamespaceHandlerSetImpl.unregisterHandler(NamespaceHandlerRegistryImpl.java:365)
> at org.apache.aries.blueprint.namespace.NamespaceHandlerRegistryImpl.unregisterHandler(NamespaceHandlerRegistryImpl.java:149)
> at org.apache.aries.blueprint.namespace.NamespaceHandlerRegistryImpl.removedService(NamespaceHandlerRegistryImpl.java:119)
> at org.osgi.util.tracker.ServiceTracker$Tracked.customizerRemoved(ServiceTracker.java:922)
> at org.osgi.util.tracker.AbstractTracked.untrack(AbstractTracked.java:351)
> at org.osgi.util.tracker.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:865)
> at org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:871)
> at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:733)
> at org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:662)
> at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:3772)
> at org.apache.felix.framework.Felix.access$000(Felix.java:80)
> at org.apache.felix.framework.Felix$2.serviceChanged(Felix.java:729)
> at org.apache.felix.framework.ServiceRegistry.unregisterService(ServiceRegistry.java:135)
> at org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:129)
> at org.apache.aries.blueprint.container.ServiceRecipe.unregister(ServiceRecipe.java:201)
> at org.apache.aries.blueprint.container.BlueprintContainerImpl.unregisterServices(BlueprintContainerImpl.java:673)
> at org.apache.aries.blueprint.container.BlueprintContainerImpl.destroy(BlueprintContainerImpl.java:822)
> at org.apache.aries.blueprint.container.BlueprintExtender.destroyContext(BlueprintExtender.java:250)
> at org.apache.aries.blueprint.container.BlueprintExtender.bundleChanged(BlueprintExtender.java:242)
> at org.apache.aries.blueprint.container.BlueprintExtender$BlueprintBundleTrackerCustomizer.modifiedBundle(BlueprintExtender.java:431)
> at org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:453)
> at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:237)
> at org.osgi.util.tracker.BundleTracker$Tracked.bundleChanged(BundleTracker.java:413)
> at org.apache.felix.framework.util.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:807)
> at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:729)
> at org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:610)
> at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:3761)
> at org.apache.felix.framework.Felix.stopBundle(Felix.java:2206)
> at org.apache.felix.framework.Felix.updateBundle(Felix.java:1955)
> at org.apache.felix.framework.BundleImpl.update(BundleImpl.java:936)
> at org.apache.felix.framework.BundleImpl.update(BundleImpl.java:923)
> at org.apache.karaf.shell.osgi.UpdateBundle.doExecute(UpdateBundle.java:37)
> at org.apache.karaf.shell.osgi.BundleCommand.doExecute(BundleCommand.java:42)
> at org.apache.karaf.shell.console.OsgiCommandSupport.execute(OsgiCommandSupport.java:38)
> at org.apache.felix.gogo.commands.basic.AbstractCommand.execute(AbstractCommand.java:35)
> at org.apache.felix.gogo.runtime.CommandProxy.execute(CommandProxy.java:78)
> at org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:474)
> at org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:400)
> at org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108)
> at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:183)
> at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:120)
> at org.apache.felix.gogo.runtime.CommandSessionImpl.execute(CommandSessionImpl.java:89)
> at org.apache.karaf.shell.console.jline.Console.run(Console.java:221)
> at java.lang.Thread.run(Thread.java:680)
> {code}
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