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https://issues.apache.org/jira/browse/LUCENE-3985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13425892#comment-13425892
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Dawid Weiss commented on LUCENE-3985:
-------------------------------------
Yeah, it will vary -- the lingering time is 2 seconds but it's still not enough
and I see some failures depending on the machine I use. My build server failed
with this one, for example:
{code}
build 31-Jul-2012 15:01:23 [junit4:junit4] Suite:
org.apache.solr.cloud.ZkCLITest
...
build 31-Jul-2012 15:01:23 [junit4:junit4] > Throwable #1:
com.carrotsearch.randomizedtesting.ThreadLeakError: 1 thread leaked from SUITE
scope at org.apache.solr.cloud.ZkCLITest:
build 31-Jul-2012 15:01:23 [junit4:junit4] > 1) Thread[id=20260,
name=SessionTracker, state=TIMED_WAITING, group=TGRP-ZkCLITest]
build 31-Jul-2012 15:01:23 [junit4:junit4] > at
java.lang.Object.wait(Native Method)
build 31-Jul-2012 15:01:23 [junit4:junit4] > at
org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:145)
build 31-Jul-2012 15:01:23 [junit4:junit4] > at
__randomizedtesting.SeedInfo.seed([B90AA507E190F87]:0)
build 31-Jul-2012 15:01:23 [junit4:junit4] >
{code}
We should try to nail these because they probably contribute to those thread
limits that you've been commenting on. I also see some crazy thread IDs in logs
like: T20000 which seems suspicious -- they should be reused after a while.
> Refactor support for thread leaks
> ---------------------------------
>
> Key: LUCENE-3985
> URL: https://issues.apache.org/jira/browse/LUCENE-3985
> Project: Lucene - Core
> Issue Type: Improvement
> Components: general/test
> Reporter: Dawid Weiss
> Assignee: Dawid Weiss
> Priority: Minor
> Fix For: 4.0
>
> Attachments: LUCENE-3985.patch
>
>
> This will be duplicated in the runner and in LuceneTestCase; try to
> consolidate.
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