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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14897) TestTableLockManager.testReapAllTableLocks is flakey
Date Mon, 30 Nov 2015 20:21:11 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15032390#comment-15032390

Hadoop QA commented on HBASE-14897:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against master branch at commit 999ae691559a49321138eb7718eb204435639db9.
  ATTACHMENT ID: 12774835

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 4 new or modified

    {color:green}+1 hadoop versions{color}. The patch compiles with all supported hadoop versions
(2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.0 2.6.1 2.7.0 2.7.1)

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 protoc{color}.  The applied patch does not increase the total number of
protoc compiler warnings.

    {color:red}-1 javadoc{color}.  The javadoc tool appears to have generated 2 warning messages.

    {color:green}+1 checkstyle{color}. The applied patch does not generate new checkstyle

    {color:green}+1 findbugs{color}.  The patch does not introduce any  new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 lineLengths{color}.  The patch does not introduce lines longer than 100

  {color:green}+1 site{color}.  The mvn post-site goal succeeds with this patch.

    {color:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/16700//testReport/
Release Findbugs (version 2.0.3) 	warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/16700//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/16700//artifact/patchprocess/checkstyle-aggregate.html

  Javadoc warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/16700//artifact/patchprocess/patchJavadocWarnings.txt
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/16700//console

This message is automatically generated.

> TestTableLockManager.testReapAllTableLocks is flakey
> ----------------------------------------------------
>                 Key: HBASE-14897
>                 URL: https://issues.apache.org/jira/browse/HBASE-14897
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Heng Chen
>            Assignee: Heng Chen
>         Attachments: HBASE-14897.patch, reproduce.patch
> It comes from email list which [~stack] post.
> This is the some relates QA information.
> https://builds.apache.org/view/H-L/view/HBase/job/HBase-Trunk_matrix/512/jdk=latest1.8,label=Hadoop/testReport/org.apache.hadoop.hbase.master/TestTableLockManager/testReapAllTableLocks/
> The reason is here.
> {code}
>     writeLocksObtained.await();
>     writeLocksAttempted.await();
> {code}
> writeLocksAttempted maybe count down to 0 before created node on ZK,  and main thread
will go on to run lockManager.reapWriteLocks(),  And after that node was created on ZK,  so
relates lock acquire will timeout.
> I upload a patch which can reproduce this issue.

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