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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4860) Inconsistent synchronization in mapreduce.security.token.DelegationTokenRenewal
Date Fri, 07 Dec 2012 23:43:20 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13526886#comment-13526886
] 

Hadoop QA commented on MAPREDUCE-4860:
--------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12559974/mr-4860.patch
  against trunk revision .

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3110//console

This message is automatically generated.
                
> Inconsistent synchronization in mapreduce.security.token.DelegationTokenRenewal
> -------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4860
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4860
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 1.1.1
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>         Attachments: mr-4860.patch
>
>
> mapreduce.security.token.DelegationTokenRenewal synchronizes on removeDelegationToken,
but fails to synchronize on addToken, and renewing tokens in run().
> This inconsistency is exposed by frequent failures of TestDelegationTokenRenewal:
> {noformat}
> Error Message
> renew wasn't called as many times as expected expected:<4> but was:<5>
> Stacktrace
> junit.framework.AssertionFailedError: renew wasn't called as many times as expected expected:<4>
but was:<5>
> 	at org.apache.hadoop.mapreduce.security.token.TestDelegationTokenRenewal.testDTRenewal(TestDelegationTokenRenewal.java:317)
> 	at org.apache.hadoop.mapreduce.security.token.TestDelegationTokenRenewal.testDTRenewalAfterClose(TestDelegationTokenRenewal.java:338)
> {noformat}

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