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Posted to common-issues@hadoop.apache.org by "Eric Badger (JIRA)" <ji...@apache.org> on 2016/10/11 18:39:21 UTC

[jira] [Updated] (HADOOP-13709) Clean up subprocesses spawned by Shell.java:runCommand when the shell process exits

     [ https://issues.apache.org/jira/browse/HADOOP-13709?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Badger updated HADOOP-13709:
---------------------------------
    Attachment: HADOOP-13709.001.patch

Attaching patch with the hadoop-common portion of the fix. YARN-5641 includes the YARN portion of the fix. 

> Clean up subprocesses spawned by Shell.java:runCommand when the shell process exits
> -----------------------------------------------------------------------------------
>
>                 Key: HADOOP-13709
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13709
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Eric Badger
>            Assignee: Eric Badger
>         Attachments: HADOOP-13709.001.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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