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https://issues.apache.org/jira/browse/OAK-6619?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Davide Giannella updated OAK-6619:
----------------------------------
Fix Version/s: (was: 1.12.0)
> Async indexer thread may get stuck in CopyOnWriteDirectory close method
> -----------------------------------------------------------------------
>
> Key: OAK-6619
> URL: https://issues.apache.org/jira/browse/OAK-6619
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: lucene
> Reporter: Chetan Mehrotra
> Assignee: Chetan Mehrotra
> Priority: Critical
> Fix For: 1.14.0
>
> Attachments: status-threaddump-Sep-5.txt
>
>
> With copy-on-write mode enabled at times its seen that async index thread
> remain stuck in CopyOnWriteDirectory#close method
> {noformat}
> "async-index-update-async" prio=5 tid=0xb9e63 nid=0xffffffff timed_waiting
> java.lang.Thread.State: TIMED_WAITING
> at sun.misc.Unsafe.park(Native Method)
> - waiting to lock <0x2504cd51> (a
> java.util.concurrent.CountDownLatch$Sync) owned by "null" tid=0x-1
> at
> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1037)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1328)
> at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:277)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.directory.CopyOnWriteDirectory.close(CopyOnWriteDirectory.java:221)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.writer.DefaultIndexWriter.updateSuggester(DefaultIndexWriter.java:177)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.writer.DefaultIndexWriter.close(DefaultIndexWriter.java:121)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexEditorContext.closeWriter(LuceneIndexEditorContext.java:136)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexEditor.leave(LuceneIndexEditor.java:154)
> at
> org.apache.jackrabbit.oak.plugins.index.IndexUpdate.leave(IndexUpdate.java:357)
> at
> org.apache.jackrabbit.oak.spi.commit.VisibleEditor.leave(VisibleEditor.java:60)
> at
> org.apache.jackrabbit.oak.spi.commit.EditorDiff.process(EditorDiff.java:56)
> at
> org.apache.jackrabbit.oak.plugins.index.AsyncIndexUpdate.updateIndex(AsyncIndexUpdate.java:727)
> at
> org.apache.jackrabbit.oak.plugins.index.AsyncIndexUpdate.runWhenPermitted(AsyncIndexUpdate.java:572)
> at
> org.apache.jackrabbit.oak.plugins.index.AsyncIndexUpdate.run(AsyncIndexUpdate.java:431)
> - locked <0x3d542de5> (a
> org.apache.jackrabbit.oak.plugins.index.AsyncIndexUpdate)
> at
> org.apache.sling.commons.scheduler.impl.QuartzJobExecutor.execute(QuartzJobExecutor.java:245)
> at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
> The thread is waiting on a latch and no other thread is going to release the
> latch.
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