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OSGi class loader lockup on CSS startup in display that uses data browser widget #462

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kasemir opened this issue Oct 23, 2018 · 1 comment
Open

OSGi class loader lockup on CSS startup in display that uses data browser widget #462

kasemir opened this issue Oct 23, 2018 · 1 comment
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@kasemir
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kasemir commented Oct 23, 2018

Got this stack trace when starting a CSS instance which then tried to load a workspace that had used a screen with data browser widget.

Workaround was to delete the .metadata folder, i.e. start with a new workspace.

No obvious cyclic dependency: Display Builder depends on databrowser, but the latter could not load for some reason.

!MESSAGE While loading class "org.csstudio.trends.databrowser3.editor.DataBrowserEditor", thread "Thread[JavaFX Application Thread,6,main]" timed out waiting (5001ms) for thread "Thread[DisplayModel-3,6,main]" to finish starting bundle "org.csstudio.trends.databrowser3_4.2.3.201809261841 [157]". To avoid deadlock, thread "Thread[JavaFX Application Thread,6,main]" is proceeding but "org.csstudio.trends.databrowser3.editor.DataBrowserEditor" may not be fully initialized.
!STACK 0
org.osgi.framework.BundleException: Unable to acquire the state change lock for the module: osgi.identity; type="osgi.bundle"; version:Version="4.2.3.201809261841"; osgi.identity="org.csstudio.trends.databrowser3"; singleton:="true" [id=157] STARTED [STARTED]
        at org.eclipse.osgi.container.Module.lockStateChange(Module.java:337)
        at org.eclipse.osgi.container.Module.start(Module.java:401)
        at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:468)
        at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:103)
        at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:529)
        at org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:328)
        at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:368)
        at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:446)
        at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:395)
        at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:387)
        at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:150)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at org.eclipse.osgi.internal.framework.EquinoxBundle.loadClass(EquinoxBundle.java:564)
        at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174)
        at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905)
        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.ui.internal.WorkbenchPlugin.lambda$0(WorkbenchPlugin.java:288)
        at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
        at org.eclipse.ui.internal.WorkbenchPlugin.createExtension(WorkbenchPlugin.java:285)
        at org.eclipse.ui.internal.registry.EditorDescriptor.createEditor(EditorDescriptor.java:232)
        at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:329)
        at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.createPart(CompatibilityPart.java:293)
        at org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor.createPart(CompatibilityEditor.java:63)
        at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:331)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)
        at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:990)
        at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:955)
        at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:124)
        at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:399)
        at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:318)
        at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:162)
        at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:105)
        at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:74)
        at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:56)
        at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.createWidget(ContributedPartRenderer.java:129)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:992)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:661)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732)
        at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716)
        at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.showTab(StackRenderer.java:1293)
        at org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer.postProcess(LazyStackRenderer.java:97)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:679)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732)
        at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)

...  PartRenderingEngine.createGui section repeats many times ...

at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1076)
        at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039)
        at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)
        at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680)
        at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
        at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594)
        at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
        at org.csstudio.utility.product.Workbench.runWorkbench(Workbench.java:99)
        at org.csstudio.startup.application.Application.startApplication(Application.java:265)
        at org.csstudio.startup.application.Application.start(Application.java:119)
        at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
        at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
        at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
        at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
        at org.eclipse.equinox.launcher.Main.run(Main.java:1499)
        at org.eclipse.equinox.launcher.Main.main(Main.java:1472)
Caused by: java.util.concurrent.TimeoutException: Timeout after waiting 5 seconds to acquire the lock.
        at org.eclipse.osgi.container.Module.lockStateChange(Module.java:334)
@claudio-rosati
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I think next week I should be able to start working on the Phoebus integration plug-in for Display Builder and Data Browser 3.
When finished we'll be able to get rid of the Eclipse version of those two applications.

@kasemir kasemir mentioned this issue Mar 26, 2019
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@kasemir @claudio-rosati