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https://issues.apache.org/jira/browse/MAPREDUCE-4860?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karthik Kambatla updated MAPREDUCE-4860:
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Summary: DelegationTokenRenewal attempts to renew token even after a job is
removed (was: Inconsistent synchronization in
mapreduce.security.token.DelegationTokenRenewal)
> DelegationTokenRenewal attempts to renew token even after a job is removed
> --------------------------------------------------------------------------
>
> 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, mr-4860.patch, mr-4860.patch,
> 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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