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https://issues.apache.org/jira/browse/SLING-12965?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18029788#comment-18029788
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Konrad Windszus edited comment on SLING-12965 at 10/14/25 1:48 PM:
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This is a regression of
https://github.com/apache/sling-ide-tooling/commit/880b74be2f226dfdb869f64b124ccaa901cb980d
which misses to initialize {{debugOptionsListenerRegistration}}.
was (Author: kwin):
This is a regression of
https://github.com/apache/sling-ide-tooling/commit/880b74be2f226dfdb869f64b124ccaa901cb980d
which misses to initialize {{{debugOptionsListenerRegistration}}}.
> NPE: Cannot invoke "org.osgi.framework.ServiceRegistration.unregister()"
> because "this.debugOptionsListenerRegistration" is null
> --------------------------------------------------------------------------------------------------------------------------------
>
> Key: SLING-12965
> URL: https://issues.apache.org/jira/browse/SLING-12965
> Project: Sling
> Issue Type: Bug
> Components: IDE
> Affects Versions: Sling Eclipse IDE 1.3.0
> Reporter: Konrad Windszus
> Priority: Major
>
> I see the following exception in the error.log of Eclipse
> {code}
> java.lang.NullPointerException: Cannot invoke
> "org.osgi.framework.ServiceRegistration.unregister()" because
> "this.debugOptionsListenerRegistration" is null
> at
> org.apache.sling.ide.eclipse.core.debug.impl.Tracer.deactivate(Tracer.java:55)
> at
> java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
> at java.base/java.lang.reflect.Method.invoke(Method.java:580)
> at
> org.apache.felix.scr.impl.inject.methods.BaseMethod.invokeMethod(BaseMethod.java:257)
> 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:701)
> at
> org.apache.felix.scr.impl.inject.methods.BaseMethod.invoke(BaseMethod.java:544)
> 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.disposeImplementationObject(SingleComponentManager.java:421)
> at
> org.apache.felix.scr.impl.manager.SingleComponentManager.deleteComponent(SingleComponentManager.java:165)
> at
> org.apache.felix.scr.impl.manager.AbstractComponentManager.doDeactivate(AbstractComponentManager.java:853)
> at
> org.apache.felix.scr.impl.manager.AbstractComponentManager.deactivateInternal(AbstractComponentManager.java:825)
> at
> org.apache.felix.scr.impl.manager.AbstractComponentManager.dispose(AbstractComponentManager.java:589)
> at
> org.apache.felix.scr.impl.manager.ConfigurableComponentHolder.disposeComponents(ConfigurableComponentHolder.java:722)
> at
> org.apache.felix.scr.impl.BundleComponentActivator.dispose(BundleComponentActivator.java:505)
> at
> org.apache.felix.scr.impl.Activator.disposeComponents(Activator.java:672)
> at org.apache.felix.scr.impl.Activator.access$300(Activator.java:75)
> at
> org.apache.felix.scr.impl.Activator$ScrExtension.destroy(Activator.java:510)
> at
> org.apache.felix.scr.impl.AbstractExtender$1.run(AbstractExtender.java:216)
> at
> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572)
> at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
> at
> org.apache.felix.scr.impl.AbstractExtender.destroyExtension(AbstractExtender.java:238)
> at
> org.apache.felix.scr.impl.AbstractExtender.bundleChanged(AbstractExtender.java:132)
> at org.apache.felix.scr.impl.Activator.bundleChanged(Activator.java:256)
> at
> org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:975)
> at
> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
> at
> org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151)
> at
> org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEventPrivileged(EquinoxEventPublisher.java:237)
> at
> org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEvent(EquinoxEventPublisher.java:136)
> at
> org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEvent(EquinoxEventPublisher.java:128)
> at
> org.eclipse.osgi.internal.framework.EquinoxContainerAdaptor.publishModuleEvent(EquinoxContainerAdaptor.java:232)
> at org.eclipse.osgi.container.Module.publishEvent(Module.java:534)
> at org.eclipse.osgi.container.Module.doStop(Module.java:697)
> at org.eclipse.osgi.container.Module.stop(Module.java:557)
> at
> org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.decStartLevel(ModuleContainer.java:2153)
> at
> org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:2022)
> at
> org.eclipse.osgi.container.SystemModule.stopWorker(SystemModule.java:281)
> at
> org.eclipse.osgi.internal.framework.EquinoxBundle$SystemBundle$EquinoxSystemModule.stopWorker(EquinoxBundle.java:225)
> at org.eclipse.osgi.container.Module.doStop(Module.java:699)
> at org.eclipse.osgi.container.Module.stop(Module.java:557)
> at org.eclipse.osgi.container.SystemModule.stop(SystemModule.java:212)
> at
> org.eclipse.osgi.internal.framework.EquinoxBundle$SystemBundle$EquinoxSystemModule$1.run(EquinoxBundle.java:244)
> at java.base/java.lang.Thread.run(Thread.java:1583)
> {code}
> Although there is probably no functional impact the according code should be
> more resilient against this NPE.
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