Mikhail Khludnev created SOLR-12027:
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Summary: 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
Attachments: 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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