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https://issues.apache.org/jira/browse/HADOOP-11802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14510859#comment-14510859
]
Hudson commented on HADOOP-11802:
---------------------------------
FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #164 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/164/])
HADOOP-11802. DomainSocketWatcher thread terminates sometimes after there is an
I/O error during requestShortCircuitShm (cmccabe) (cmccabe: rev
a0e0a63209b5eb17dca5cc503be36aa52defeabd)
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/unix/DomainSocketWatcher.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/shortcircuit/DomainSocketFactory.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/shortcircuit/DfsClientShmManager.java
* hadoop-common-project/hadoop-common/CHANGES.txt
*
hadoop-common-project/hadoop-common/src/main/native/src/org/apache/hadoop/net/unix/DomainSocketWatcher.c
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/shortcircuit/TestShortCircuitCache.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNodeFaultInjector.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataXceiver.java
> 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
> Fix For: 2.7.1
>
> 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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