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From "Jarek Gawor (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GERONIMODEVTOOLS-760) Two GeronimoServerBehaviourDelegates created for one IServer
Date Fri, 17 Jun 2011 15:24:47 GMT

    [ https://issues.apache.org/jira/browse/GERONIMODEVTOOLS-760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13051133#comment-13051133
] 

Jarek Gawor commented on GERONIMODEVTOOLS-760:
----------------------------------------------

Disabling lazy loading seems to help but it also creates other problems.


> Two GeronimoServerBehaviourDelegates created for one IServer
> ------------------------------------------------------------
>
>                 Key: GERONIMODEVTOOLS-760
>                 URL: https://issues.apache.org/jira/browse/GERONIMODEVTOOLS-760
>             Project: Geronimo-Devtools
>          Issue Type: Bug
>          Components: eclipse-plugin
>    Affects Versions: 3.0
>            Reporter: Jarek Gawor
>            Assignee: Jarek Gawor
>
> Once in a while two GeronimoServerBehaviourDelegates are created for the same IServer
and GeronimoServerBehaviourDelegates.initialize() is called twice. Here's a call stack from
the two calls to .initialize():
> java.lang.Exception
> 	at org.apache.geronimo.st.v30.core.GeronimoServerBehaviourDelegate.initialize(GeronimoServerBehaviourDelegate.java:686)
> 	at org.eclipse.wst.server.core.model.ServerBehaviourDelegate.initialize(ServerBehaviourDelegate.java:102)
> 	at org.eclipse.wst.server.core.model.InternalInitializer.initializeServerBehaviourDelegate(InternalInitializer.java:41)
> 	at org.eclipse.wst.server.core.internal.Server.getBehaviourDelegate(Server.java:510)
> 	at org.eclipse.wst.server.core.internal.Server.loadAdapter(Server.java:1493)
> 	at org.apache.geronimo.st.v30.core.Activator.getGeronimoServerBehaviourDelegate(Activator.java:154)
> 	at org.apache.geronimo.st.v30.core.Activator.triggerStartUpdateServerTask(Activator.java:169)
> 	at org.apache.geronimo.st.v30.core.Activator.start(Activator.java:117)
> 	at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:783)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:774)
> 	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:755)
> 	at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:370)
> 	at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:284)
> 	at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:417)
> 	at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:265)
> 	at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:106)
> 	at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:453)
> 	at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216)
> 	at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:393)
> 	at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:469)
> 	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:422)
> 	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:410)
> 	at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
> 	at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:338)
> 	at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:232)
> 	at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1197)
> 	at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174)
> 	at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:904)
> 	at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
> 	at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55)
> 	at org.eclipse.wst.server.core.internal.ServerType.createServerBehaviourDelegate(ServerType.java:91)
> 	at org.eclipse.wst.server.core.internal.Server.getBehaviourDelegate(Server.java:508)
> 	at org.eclipse.wst.server.core.internal.Server.canPublish(Server.java:1095)
> 	at org.eclipse.wst.server.core.internal.Server.shouldPublish(Server.java:1109)
> 	at org.eclipse.wst.server.ui.internal.cnf.ServerDecorator.getServerStatusLabel(ServerDecorator.java:139)
> 	at org.eclipse.wst.server.ui.internal.cnf.ServerDecorator.decorate(ServerDecorator.java:73)
> 	at org.eclipse.ui.internal.decorators.LightweightDecoratorDefinition.decorate(LightweightDecoratorDefinition.java:269)
> 	at org.eclipse.ui.internal.decorators.LightweightDecoratorManager$LightweightRunnable.run(LightweightDecoratorManager.java:81)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.ui.internal.decorators.LightweightDecoratorManager.decorate(LightweightDecoratorManager.java:365)
> 	at org.eclipse.ui.internal.decorators.LightweightDecoratorManager.getDecorations(LightweightDecoratorManager.java:347)
> 	at org.eclipse.ui.internal.decorators.DecorationScheduler$1.ensureResultCached(DecorationScheduler.java:371)
> 	at org.eclipse.ui.internal.decorators.DecorationScheduler$1.run(DecorationScheduler.java:331)
> 	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
> java.lang.Exception
> 	at org.apache.geronimo.st.v30.core.GeronimoServerBehaviourDelegate.initialize(GeronimoServerBehaviourDelegate.java:686)
> 	at org.eclipse.wst.server.core.model.ServerBehaviourDelegate.initialize(ServerBehaviourDelegate.java:102)
> 	at org.eclipse.wst.server.core.model.InternalInitializer.initializeServerBehaviourDelegate(InternalInitializer.java:41)
> 	at org.eclipse.wst.server.core.internal.Server.getBehaviourDelegate(Server.java:510)
> 	at org.eclipse.wst.server.core.internal.Server.canPublish(Server.java:1095)
> 	at org.eclipse.wst.server.core.internal.Server.shouldPublish(Server.java:1109)
> 	at org.eclipse.wst.server.ui.internal.cnf.ServerDecorator.getServerStatusLabel(ServerDecorator.java:139)
> 	at org.eclipse.wst.server.ui.internal.cnf.ServerDecorator.decorate(ServerDecorator.java:73)
> 	at org.eclipse.ui.internal.decorators.LightweightDecoratorDefinition.decorate(LightweightDecoratorDefinition.java:269)
> 	at org.eclipse.ui.internal.decorators.LightweightDecoratorManager$LightweightRunnable.run(LightweightDecoratorManager.java:81)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.ui.internal.decorators.LightweightDecoratorManager.decorate(LightweightDecoratorManager.java:365)
> 	at org.eclipse.ui.internal.decorators.LightweightDecoratorManager.getDecorations(LightweightDecoratorManager.java:347)
> 	at org.eclipse.ui.internal.decorators.DecorationScheduler$1.ensureResultCached(DecorationScheduler.java:371)
> 	at org.eclipse.ui.internal.decorators.DecorationScheduler$1.run(DecorationScheduler.java:331)
> 	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
> I believe the first call stack leads to ClassCircularityError since ConfigurationElementHandle
attempts to load GeronimoServerBehaviourDelegate class which combined with lazy activated
bundle forces the Activator to be called which attempts to load the GeronimoServerBehaviourDelegate
class.
> Disabling lazy loading seems to help.

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