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https://issues.apache.org/jira/browse/DIRSERVER-2176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Emmanuel Lecharny updated DIRSERVER-2176:
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Component/s: core
> Thread leak from LdapServer
> ---------------------------
>
> Key: DIRSERVER-2176
> URL: https://issues.apache.org/jira/browse/DIRSERVER-2176
> Project: Directory ApacheDS
> Issue Type: Bug
> Components: core
> Affects Versions: 2.0.0-M21
> Reporter: Hrishikesh Gadre
> Priority: Minor
> Fix For: 2.0.0.AM26
>
>
> While using ApacheDS library to verify LDAP integration for Solr, I noticed a
> thread-leakage in the LdapServer code. Specifically the
> UnorderedThreadPoolExecutor added as part of LdapServer#start() method is not
> cleaned properly during the stop() method.
> https://github.com/apache/directory-server/blob/7391447b3cee132bbcc9a023f435919025c28511/protocol-ldap/src/main/java/org/apache/directory/server/ldap/LdapServer.java#L525
> The carrotsearch randomized testing library in Solr reports following
> stack-trace as part of thread leak detection,
> [junit4] 2> Dec 20, 2016 1:32:31 PM
> com.carrotsearch.randomizedtesting.ThreadLeakControl checkThreadLeaks
> [junit4] 2> SEVERE: 1 thread leaked from SUITE scope at
> org.apache.solr.security.hadoop.TestSolrCloudWithHadoopAuthPlugin:
> [junit4] 2> 1) Thread[id=75, name=pool-4-thread-1,
> state=TIMED_WAITING, group=TGRP-TestSolrCloudWithHadoopAuthPlugin]
> [junit4] 2> at sun.misc.Unsafe.park(Native Method)
> [junit4] 2> at
> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> [junit4] 2> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> [junit4] 2> at
> java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
> [junit4] 2> at
> org.apache.mina.filter.executor.UnorderedThreadPoolExecutor$Worker.fetchTask(UnorderedThreadPoolExecutor.java:462)
> [junit4] 2> at
> org.apache.mina.filter.executor.UnorderedThreadPoolExecutor$Worker.run(UnorderedThreadPoolExecutor.java:414)
> [junit4] 2> at java.lang.Thread.run(Thread.java:745)
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