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https://issues.apache.org/jira/browse/HADOOP-11802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14510346#comment-14510346
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Colin Patrick McCabe commented on HADOOP-11802:
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the checkstyle plugin has some known issues right now. committing to 2.7.1
thanks for the reviews.
> DomainSocketWatcher thread terminates sometimes after there is an I/O error
> during requestShortCircuitShm
> ---------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-11802
> URL: https://issues.apache.org/jira/browse/HADOOP-11802
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.7.0
> Reporter: Eric Payne
> Assignee: Colin Patrick McCabe
> Attachments: HADOOP-11802.001.patch, HADOOP-11802.002.patch,
> HADOOP-11802.003.patch, HADOOP-11802.004.patch
>
>
> In {{DataXceiver#requestShortCircuitShm}}, we attempt to recover from some
> errors by closing the {{DomainSocket}}. However, this violates the invariant
> that the domain socket should never be closed when it is being managed by the
> {{DomainSocketWatcher}}. Instead, we should call {{shutdown}} on the
> {{DomainSocket}}. When this bug hits, it terminates the
> {{DomainSocketWatcher}} thread.
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