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https://issues.apache.org/jira/browse/HADOOP-12310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14662024#comment-14662024
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Allen Wittenauer edited comment on HADOOP-12310 at 8/7/15 4:06 PM:
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OK, this looks like an easy one. This is the "head and tail will exit when it
can fulfill the request" feature. The program writing to the pipe still has
content to send but head/tail has already exited, generating the error. We've
hit this before in compute_gitdiff where the fix was just to throw the error
away. So in this case, sort's stderr needs to get ignored.
was (Author: aw):
OK, this is an easy one. This is the "head and tail will exit when it can
fulfill the request" feature. The program writing to the pipe still has
content to send but head/tail has already exited, generating the error. We've
hit this before in compute_gitdiff where the fix was just to throw the error
away. So in this case, sort's stderr needs to get ignored.
> final memory report sometimes generates spurious errors
> -------------------------------------------------------
>
> Key: HADOOP-12310
> URL: https://issues.apache.org/jira/browse/HADOOP-12310
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: yetus
> Affects Versions: HADOOP-12111
> Reporter: Allen Wittenauer
>
> There are spurious sort write pipeline failures coming from the maven memory
> check on Jenkins.
> https://builds.apache.org/job/PreCommit-HADOOP-Build/7422/console
> with bash debug turned on:
> https://builds.apache.org/job/PreCommit-HADOOP-Build/7423/console
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