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Posted to dev@sling.apache.org by "Konrad Windszus (Jira)" <ji...@apache.org> on 2020/05/03 09:37:00 UTC
[jira] [Commented] (SLING-7811) NPE when repository is starting up
due to repository manager shutdown
[ https://issues.apache.org/jira/browse/SLING-7811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17098313#comment-17098313 ]
Konrad Windszus commented on SLING-7811:
----------------------------------------
I just experienced this exception when starting Sling Starter 12-SNAPSHOT:
{code}
03.05.2020 11:22:33.372 *INFO* [CM Event Dispatcher (Fire ConfigurationEvent: pid=org.apache.jackrabbit.oak.spi.security.user.action.DefaultAuthorizableActionProvider)] org.apache.jackrabbit.oak.security.internal.SecurityProviderRegistration Trying to unregister the SecurityProvider...
03.05.2020 11:22:33.405 *ERROR* [Apache Sling Repository Startup Thread #1] org.apache.sling.jcr.oak.server.internal.OakSlingRepositoryManager start: Uncaught Throwable trying to access Repository, calling stopRepository()
java.lang.RuntimeException: org.apache.jackrabbit.oak.api.CommitFailedException: OakSegment0002: Merge interrupted
at org.apache.jackrabbit.oak.OakInitializer.initialize(OakInitializer.java:50) [org.apache.jackrabbit.oak-core:1.26.0]
at org.apache.jackrabbit.oak.Oak.initialContent(Oak.java:689) [org.apache.jackrabbit.oak-core:1.26.0]
at org.apache.jackrabbit.oak.Oak.createNewContentRepository(Oak.java:734) [org.apache.jackrabbit.oak-core:1.26.0]
at org.apache.jackrabbit.oak.Oak.createContentRepository(Oak.java:673) [org.apache.jackrabbit.oak-core:1.26.0]
at org.apache.jackrabbit.oak.jcr.Jcr.createContentRepository(Jcr.java:376) [org.apache.jackrabbit.oak-jcr:1.26.0]
at org.apache.sling.jcr.oak.server.internal.OakSlingRepositoryManager.acquireRepository(OakSlingRepositoryManager.java:152) [org.apache.sling.jcr.oak.server:1.2.4]
at org.apache.sling.jcr.base.AbstractSlingRepositoryManager.initializeAndRegisterRepositoryService(AbstractSlingRepositoryManager.java:515) [org.apache.sling.jcr.base:3.1.0]
at org.apache.sling.jcr.base.AbstractSlingRepositoryManager.access$300(AbstractSlingRepositoryManager.java:92) [org.apache.sling.jcr.base:3.1.0]
at org.apache.sling.jcr.base.AbstractSlingRepositoryManager$4.run(AbstractSlingRepositoryManager.java:496) [org.apache.sling.jcr.base:3.1.0]
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakSegment0002: Merge interrupted
at org.apache.jackrabbit.oak.segment.scheduler.LockBasedScheduler.schedule(LockBasedScheduler.java:284) [org.apache.jackrabbit.oak-segment-tar:1.26.0]
at org.apache.jackrabbit.oak.segment.SegmentNodeStore.merge(SegmentNodeStore.java:211) [org.apache.jackrabbit.oak-segment-tar:1.26.0]
at org.apache.jackrabbit.oak.OakInitializer.initialize(OakInitializer.java:48) [org.apache.jackrabbit.oak-core:1.26.0]
... 8 common frames omitted
Caused by: java.lang.InterruptedException: null
at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1302)
at java.util.concurrent.Semaphore.acquire(Semaphore.java:312)
at org.apache.jackrabbit.oak.segment.scheduler.LockBasedScheduler.schedule(LockBasedScheduler.java:262) [org.apache.jackrabbit.oak-segment-tar:1.26.0]
... 10 common frames omitted
{code}
> NPE when repository is starting up due to repository manager shutdown
> ---------------------------------------------------------------------
>
> Key: SLING-7811
> URL: https://issues.apache.org/jira/browse/SLING-7811
> Project: Sling
> Issue Type: Bug
> Components: JCR
> Affects Versions: JCR Oak Server 1.1.4, JCR Base 3.0.4
> Reporter: Carsten Ziegeler
> Priority: Major
> Fix For: JCR Oak Server 1.2.6
>
>
> With the latest Sling Starter, the following NPE occurs in the logs. It seems to be harmless, nevertheless we should fix it:
> For now I assigned it to both, JCR Base and Oak Server, as it's unclear which one it is. Interestingly we've released Oak Server 1.2.0 but are not using it in the starter.
> {noformat}
> 06.08.2018 15:45:18.396 *ERROR* [Apache Sling Repository Startup Thread] org.apache.sling.jcr.oak.server.internal.OakSlingRepositoryManager start: Uncaught Throwable trying to access Repository, calling stopRepository()
> java.lang.NullPointerException: null
> at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:192) [com.google.guava:15.0.0]
> at org.apache.jackrabbit.oak.jcr.Jcr.with(Jcr.java:296) [org.apache.jackrabbit.oak-jcr:1.6.8]
> at org.apache.sling.jcr.oak.server.internal.OakSlingRepositoryManager.acquireRepository(OakSlingRepositoryManager.java:161) [org.apache.sling.jcr.oak.server:1.1.4]
> at org.apache.sling.jcr.base.AbstractSlingRepositoryManager.initializeAndRegisterRepositoryService(AbstractSlingRepositoryManager.java:471) [org.apache.sling.jcr.base:3.0.4]
> at org.apache.sling.jcr.base.AbstractSlingRepositoryManager.access$300(AbstractSlingRepositoryManager.java:85) [org.apache.sling.jcr.base:3.0.4]
> at org.apache.sling.jcr.base.AbstractSlingRepositoryManager$4.run(AbstractSlingRepositoryManager.java:455) [org.apache.sling.jcr.base:3.0.4]
> {noformat}
> The stack trace points to a null workspace name ( see https://github.com/apache/jackrabbit-oak/blob/jackrabbit-oak-1.6.8/oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/Jcr.java#L296 ).
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