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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12989) region_mover.rb unloadRegions method uses ArrayList concurrently resulting in errors
Date Wed, 11 Feb 2015 21:08:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14316984#comment-14316984
] 

Hudson commented on HBASE-12989:
--------------------------------

FAILURE: Integrated in HBase-TRUNK #6118 (See [https://builds.apache.org/job/HBase-TRUNK/6118/])
HBASE-12989 region_mover.rb unloadRegions method uses ArrayList concurrently resulting in
errors (Abhishek Singh Chouhan) (apurtell: rev 3f7b18cefce3318b4268985004dead20a26fccf1)
* bin/region_mover.rb


> 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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