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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12989) region_mover.rb unloadRegions method uses ArrayList concurrently resulting in errors
Date Tue, 10 Feb 2015 21:03:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14314919#comment-14314919
] 

Hadoop QA commented on HBASE-12989:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12697444/HBASE-12989.patch
  against master branch at commit ede20aa2880ce509e6d3df67818ad305ca9f4eb8.
  ATTACHMENT ID: 12697444

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

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

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

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

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 checkstyle{color}.  The applied patch does not increase the total number
of checkstyle errors

    {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 site goal succeeds with this patch.

     {color:red}-1 core tests{color}.  The patch failed these unit tests:
     

     {color:red}-1 core zombie tests{color}.  There are 1 zombie test(s): 

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/12762//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12762//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12762//artifact/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12762//artifact/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12762//artifact/patchprocess/newPatchFindbugsWarningshbase-rest.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12762//artifact/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12762//artifact/patchprocess/newPatchFindbugsWarningshbase-annotations.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12762//artifact/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12762//artifact/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12762//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12762//artifact/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12762//artifact/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/12762//artifact/patchprocess/checkstyle-aggregate.html

  Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/12762//console

This message is automatically generated.

> region_mover.rb unloadRegions method uses ArrayList concurrently resulting in errors
> ------------------------------------------------------------------------------------
>
>                 Key: HBASE-12989
>                 URL: https://issues.apache.org/jira/browse/HBASE-12989
>             Project: HBase
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 0.98.10
>            Reporter: Abhishek Singh Chouhan
>            Assignee: Abhishek Singh Chouhan
>            Priority: Minor
>             Fix For: 2.0.0, 1.0.1, 1.1.0, 0.98.11
>
>         Attachments: HBASE-12989.patch
>
>
> While working on HBASE-12822 ran into 
> {quote}
> 15/02/04 13:16:44 [main] INFO  reflect.GeneratedMethodAccessor35(?): Pool completed
> NoMethodError: undefined method `toByteArray' for nil:NilClass
>         __for__ at region_mover.rb:270
>            each at file:/home/sfdc/installed/bigdata-hbase__hbase.6_prod__9707645_Linux.x86_64.prod.runtime.bigdata-hbase_bigdata-hbase/hbase/hbase/lib/jruby-complete-1.6.8.jar!/builtin/java/java.util.rb:7
>       writeFile at region_mover.rb:269
>   unloadRegions at region_mover.rb:347
>          (root) at region_mover.rb:501
> {quote}
> This is because 
> movedRegions = java.util.ArrayList.new()
> is being used concurrently in unloadRegions.



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