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Posted to dev@sling.apache.org by "Joerg Hoh (Jira)" <ji...@apache.org> on 2024/08/30 12:00:01 UTC

[jira] [Closed] (SLING-12212) Don't emit stacktrace when ThreadPoolExecutorCleaningThreadLocals cannot be initialized

     [ https://issues.apache.org/jira/browse/SLING-12212?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joerg Hoh closed SLING-12212.
-----------------------------

> Don't emit stacktrace when ThreadPoolExecutorCleaningThreadLocals cannot be initialized
> ---------------------------------------------------------------------------------------
>
>                 Key: SLING-12212
>                 URL: https://issues.apache.org/jira/browse/SLING-12212
>             Project: Sling
>          Issue Type: Improvement
>          Components: Commons
>    Affects Versions: Commons Threads 3.2.22
>            Reporter: Konrad Windszus
>            Assignee: Konrad Windszus
>            Priority: Major
>             Fix For: Commons Threads 3.3.0
>
>
> The mechanism introduced with SLING-6261 does no longer work with Java 9 and above and always fails with
> {code}
> 27.12.2023 11:18:23 *WARN * [FelixStartLevel] o.a.s.c.t.i.DefaultThreadPool: Unsupported JRE, cannot register ThreadPoolExecutorCleaningThreadLocals due to 'null', fall back to regular ThreadPoolExecutor (DefaultThreadPool.java, line 157)
> java.lang.ExceptionInInitializerError: null
> 	at org.apache.sling.commons.threads.impl.ThreadPoolExecutorCleaningThreadLocals.<init>(ThreadPoolExecutorCleaningThreadLocals.java:52)
> 	at org.apache.sling.commons.threads.impl.DefaultThreadPool.<init>(DefaultThreadPool.java:150)
> 	at org.apache.sling.commons.threads.impl.DefaultThreadPoolManager$Entry.incUsage(DefaultThreadPoolManager.java:371)
> 	at org.apache.sling.commons.threads.impl.DefaultThreadPoolManager.get(DefaultThreadPoolManager.java:143)
> 	at org.apache.sling.commons.scheduler.impl.SchedulerProxy.<init>(SchedulerProxy.java:65)
> 	at org.apache.sling.commons.scheduler.impl.QuartzScheduler.scheduleJob(QuartzScheduler.java:588)
> 	at org.apache.sling.commons.scheduler.impl.QuartzScheduler.addPeriodicJob(QuartzScheduler.java:344)
> 	at org.apache.sling.commons.scheduler.impl.QuartzScheduler.addPeriodicJob(QuartzScheduler.java:329)
> 	at org.apache.sling.commons.scheduler.impl.GaugesSupport.activate(GaugesSupport.java:156)
> 	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
> 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
> 	at org.apache.felix.scr.impl.inject.methods.BaseMethod.invokeMethod(BaseMethod.java:245)
> 	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$500(BaseMethod.java:41)
> 	at org.apache.felix.scr.impl.inject.methods.BaseMethod$Resolved.invoke(BaseMethod.java:687)
> 	at org.apache.felix.scr.impl.inject.methods.BaseMethod.invoke(BaseMethod.java:531)
> 	at org.apache.felix.scr.impl.inject.methods.ActivateMethod.invoke(ActivateMethod.java:317)
> 	at org.apache.felix.scr.impl.inject.methods.ActivateMethod.invoke(ActivateMethod.java:307)
> 	at org.apache.felix.scr.impl.manager.SingleComponentManager.createImplementationObject(SingleComponentManager.java:354)
> 	at org.apache.felix.scr.impl.manager.SingleComponentManager.createComponent(SingleComponentManager.java:115)
> 	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:1002)
> 	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:975)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:785)
> 	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1274)
> 	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1225)
> 	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1232)
> 	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1152)
> 	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.trackAdding(ServiceTracker.java:959)
> 	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.track(ServiceTracker.java:895)
> 	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1184)
> 	at org.apache.felix.scr.impl.BundleComponentActivator$ListenerInfo.serviceChanged(BundleComponentActivator.java:116)
> 	at org.apache.felix.framework.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:990)
> 	at org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:838)
> 	at org.apache.felix.framework.EventDispatcher.fireServiceEvent(EventDispatcher.java:545)
> 	at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4863)
> 	at org.apache.felix.framework.Felix.registerService(Felix.java:3834)
> 	at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:328)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:929)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:915)
> 	at org.apache.felix.scr.impl.manager.RegistrationManager.changeRegistration(RegistrationManager.java:133)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager.registerService(AbstractComponentManager.java:984)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:752)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager.enableInternal(AbstractComponentManager.java:674)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager.enable(AbstractComponentManager.java:437)
> 	at org.apache.felix.scr.impl.manager.ConfigurableComponentHolder.enableComponents(ConfigurableComponentHolder.java:671)
> 	at org.apache.felix.scr.impl.BundleComponentActivator.initialEnable(BundleComponentActivator.java:310)
> 	at org.apache.felix.scr.impl.Activator.loadComponents(Activator.java:593)
> 	at org.apache.felix.scr.impl.Activator.access$200(Activator.java:74)
> 	at org.apache.felix.scr.impl.Activator$ScrExtension.start(Activator.java:460)
> 	at org.apache.felix.scr.impl.AbstractExtender.createExtension(AbstractExtender.java:196)
> 	at org.apache.felix.scr.impl.AbstractExtender.modifiedBundle(AbstractExtender.java:169)
> 	at org.apache.felix.scr.impl.AbstractExtender.modifiedBundle(AbstractExtender.java:49)
> 	at org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:488)
> 	at org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:420)
> 	at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:232)
> 	at org.osgi.util.tracker.BundleTracker$Tracked.bundleChanged(BundleTracker.java:450)
> 	at org.apache.felix.framework.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:915)
> 	at org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:834)
> 	at org.apache.felix.framework.EventDispatcher.fireBundleEvent(EventDispatcher.java:516)
> 	at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:4847)
> 	at org.apache.felix.framework.Felix.startBundle(Felix.java:2363)
> 	at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1566)
> 	at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:308)
> 	at java.base/java.lang.Thread.run(Thread.java:840)
> Caused by: java.lang.reflect.InaccessibleObjectException: Unable to make field java.lang.ThreadLocal$ThreadLocalMap java.lang.Thread.threadLocals accessible: module java.base does not "opens java.lang" to unnamed module @15a81a26
> 	at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:354)
> 	at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:297)
> 	at java.base/java.lang.reflect.Field.checkCanSetAccessible(Field.java:178)
> 	at java.base/java.lang.reflect.Field.setAccessible(Field.java:172)
> 	at org.apache.sling.commons.threads.impl.ThreadLocalCleaner.field(ThreadLocalCleaner.java:86)
> 	at org.apache.sling.commons.threads.impl.ThreadLocalCleaner.<clinit>(ThreadLocalCleaner.java:54)
> 	... 65 common frames omitted
> {code}
> That warning is very verbose as it happens nowadays with almost every JRE. The stack trace should only be exposed on level "DEBUG". Apart from that the {{ExceptionInInitializerError}} seems to always return {{null}} in its {{getMessage}}.
> It is emitted from https://github.com/apache/sling-org-apache-sling-commons-threads/blob/49074141ecec676804e3d9b511ad87ca4e67fabd/src/main/java/org/apache/sling/commons/threads/impl/DefaultThreadPool.java#L157



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