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https://issues.apache.org/jira/browse/FELIX-6048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17682701#comment-17682701
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Tom Watson commented on FELIX-6048:
-----------------------------------
Any chance you can try running with debug logging enabled for
org.apache.felix.scr? SCR tries to dump the threads when it sees this error
and its OSGi Logger has debug enabled.
https://github.com/apache/felix-dev/blob/dea1b8cd57f1cdbad8053234218435ec99df7ff3/scr/src/main/java/org/apache/felix/scr/impl/manager/AbstractComponentManager.java#L302-L313
That may give you a clue what other thread has the lock and why.
> Could not obtain lock
> ---------------------
>
> Key: FELIX-6048
> URL: https://issues.apache.org/jira/browse/FELIX-6048
> Project: Felix
> Issue Type: Bug
> Components: Declarative Services (SCR)
> Affects Versions: scr-2.1.14
> Reporter: Alain Picard
> Priority: Minor
> Attachments: 17_Run Northwind integration test.txt, Felix no lock.png
>
>
> I regularly get this exception when starting our app, w/o having ever seen
> any impact.
>
> {code:java}
> !ENTRY org.eclipse.equinox.cm 4 0 2019-02-02 14:31:46.715
> !MESSAGE Could not obtain lock
> !STACK 0
> java.lang.IllegalStateException: Could not obtain lock
> at
> org.apache.felix.scr.impl.manager.AbstractComponentManager.obtainLock(AbstractComponentManager.java:231)
> at
> org.apache.felix.scr.impl.manager.AbstractComponentManager.obtainActivationWriteLock(AbstractComponentManager.java:266)
> at
> org.apache.felix.scr.impl.manager.SingleComponentManager.reconfigure(SingleComponentManager.java:633)
> at
> org.apache.felix.scr.impl.manager.SingleComponentManager.reconfigure(SingleComponentManager.java:609)
> at
> org.apache.felix.scr.impl.manager.ConfigurableComponentHolder.configurationUpdated(ConfigurableComponentHolder.java:426)
> at
> org.apache.felix.scr.impl.manager.RegionConfigurationSupport.configurationEvent(RegionConfigurationSupport.java:284)
> at
> org.apache.felix.scr.impl.manager.RegionConfigurationSupport$1.configurationEvent(RegionConfigurationSupport.java:89)
> at
> org.eclipse.equinox.internal.cm.EventDispatcher$1.run(EventDispatcher.java:89)
> at
> org.eclipse.equinox.internal.cm.SerializedTaskQueue$1.run(SerializedTaskQueue.java:36)
> After reporting on OSGI forum, was suggested to report here.{code}
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