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https://issues.apache.org/jira/browse/SOLR-12027?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Mikhail Khludnev resolved SOLR-12027.
-------------------------------------
Resolution: Fixed
Assignee: Mikhail Khludnev
Fix Version/s: 7.3
> ThreadLeakError: 1 thread leaked from SUITE scope at
> org.apache.solr.search.join.BlockJoinFacetDistribTest
> ----------------------------------------------------------------------------------------------------------
>
> Key: SOLR-12027
> URL: https://issues.apache.org/jira/browse/SOLR-12027
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: Tests
> Reporter: Mikhail Khludnev
> Assignee: Mikhail Khludnev
> Priority: Major
> Fix For: 7.3
>
> Attachments: SOLR-12027.patch, SOLR-12027.patch,
> jetty-threadleak-problem-still.txt, jetty-threadleak-problem.txt
>
>
> I tried to look into the sub. The symptoms looks like.
> {code}
> WARN (jetty-closer-2-thread-2) [ ] o.e.j.u.t.QueuedThreadPool
> QueuedThreadPool@qtp860938026{STOPPING,8<=9<=10000,i=0,q=1} Couldn't stop
> Thread[qtp860938
> {code}
> The thread successfully handled one request before. Then we have:
> {code}
> 2> Feb 23, 2018 11:20:41 PM
> com.carrotsearch.randomizedtesting.ThreadLeakControl checkThreadLeaks
> 2> SEVERE: 1 thread leaked from SUITE scope at
> org.apache.solr.search.join.BlockJoinFacetDistribTest:
> 2> 1) Thread[id=76, name=qtp860938026-76, state=TIMED_WAITING,
> group=TGRP-BlockJoinFacetDistribTest]
> 2> at sun.misc.Unsafe.park(Native Method)
> 2> at
> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 2> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2163)
> 2> at
> org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.reservedWait(ReservedThreadExecutor.java:308)
> 2> at
> org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:373)
> 2> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
> 2> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
> 2> at java.lang.Thread.run(Thread.java:745)
> {code}
> and then
> {code}
> 2> SEVERE: There are still zombie threads that couldn't be terminated:
> 2> 1) Thread[id=76, name=qtp860938026-76, state=TIMED_WAITING,
> group=TGRP-BlockJoinFacetDistribTest]
> 2> at sun.misc.Unsafe.park(Native Method)
> 2> at
> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> ...
> [23:19:41.186] ERROR 0.00s | BlockJoinFacetDistribTest (suite) <<<
> > Throwable #1: com.carrotsearch.randomizedtesting.ThreadLeakError: 1
> thread leaked from SUITE scope at
> org.apache.solr.search.join.BlockJoinFacetDistribTest:
> > 1) Thread[id=76, name=qtp860938026-76, state=TIMED_WAITING,
> group=TGRP-BlockJoinFacetDistribTest]
> > at sun.misc.Unsafe.park(Native Method)
> > at
> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> > at
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2163)
> > at
> org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.reservedWait(ReservedThreadExecutor.java:308)
> {code}
> This also happen to other tests as well, not deterministic, but more or less
> is reproduced with {{ant beast}}.
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