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Posted to common-issues@hadoop.apache.org by "Colin Patrick McCabe (JIRA)" <ji...@apache.org> on 2015/04/15 01:09:00 UTC

[jira] [Assigned] (HADOOP-11802) DomainSocketWatcher thread terminates sometimes after there is an I/O error during requestShortCircuitShm

     [ https://issues.apache.org/jira/browse/HADOOP-11802?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Colin Patrick McCabe reassigned HADOOP-11802:
---------------------------------------------

    Assignee: Colin Patrick McCabe  (was: Eric Payne)

> 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
>
> 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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