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Posted to mapreduce-issues@hadoop.apache.org by "Karthik Kambatla (JIRA)" <ji...@apache.org> on 2013/03/12 02:33:17 UTC
[jira] [Updated] (MAPREDUCE-5005)
TestProcfsProcessTree#testProcessTree() doesn't wait long enough for the
process to die
[ https://issues.apache.org/jira/browse/MAPREDUCE-5005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Karthik Kambatla updated MAPREDUCE-5005:
----------------------------------------
Status: Patch Available (was: Open)
> TestProcfsProcessTree#testProcessTree() doesn't wait long enough for the process to die
> ---------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-5005
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5005
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 2.0.2-alpha
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Attachments: mr-5005.patch
>
>
> TestProcfsProcessTree#testProcessTree fails occasionally with the following stack trace
> {noformat}
> Stack Trace:
> junit.framework.AssertionFailedError: expected:<false> but was:<true>
> at org.apache.hadoop.util.TestProcfsBasedProcessTree.testProcessTree(TestProcfsBasedProcessTree.java)
> {noformat}
> kill -9 is executed asynchronously, the signal is delivered when the process comes out of the kernel (sys call). Checking if the process died immediately after can fail at times.
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