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https://issues.apache.org/jira/browse/HADOOP-13709?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang reopened HADOOP-13709:
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[~ebadger] I am sorry to reopen this issue. Would you please help fix the
compilation issue with Java 7? Or should we consider revert this commit?
> Ability to clean up subprocesses spawned by Shell when the process exits
> ------------------------------------------------------------------------
>
> Key: HADOOP-13709
> URL: https://issues.apache.org/jira/browse/HADOOP-13709
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 2.2.0
> Reporter: Eric Badger
> Assignee: Eric Badger
> Fix For: 2.9.0, 3.0.0-alpha2
>
> Attachments: HADOOP-13709.001.patch, HADOOP-13709.002.patch,
> HADOOP-13709.003.patch, HADOOP-13709.004.patch, HADOOP-13709.005.patch,
> HADOOP-13709.006.patch, HADOOP-13709.007.patch, HADOOP-13709.008.patch,
> HADOOP-13709.009.patch, HADOOP-13709.009.patch
>
>
> The runCommand code in Shell.java can get into a situation where it will
> ignore InterruptedExceptions and refuse to shutdown due to being in I/O
> waiting for the return value of the subprocess that was spawned. We need to
> allow for the subprocess to be interrupted and killed when the shell process
> gets killed. Currently the JVM will shutdown and all of the subprocesses will
> be orphaned and not killed.
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