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https://issues.apache.org/jira/browse/HADOOP-3843?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran updated HADOOP-3843:
-----------------------------------
Component/s: test
Affects Version/s: 0.19.0
> MiniMRCluster should have an idempotent shutdown
> ------------------------------------------------
>
> Key: HADOOP-3843
> URL: https://issues.apache.org/jira/browse/HADOOP-3843
> Project: Hadoop Core
> Issue Type: Bug
> Components: test
> Affects Versions: 0.19.0
> Reporter: Steve Loughran
>
> It looks on a quick skim-through that the
> org.apache.hadoop.mapred.MiniMRCluster class has nothing to stop a caller
> calling shutdown() more than once, with possible adverse consequences. This
> will normally only show up if a test fails at precisely the wrong place.
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