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https://issues.apache.org/jira/browse/HADOOP-7428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13057964#comment-13057964
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Hudson commented on HADOOP-7428:
--------------------------------
Integrated in Hadoop-Common-trunk-Commit #669 (See
[https://builds.apache.org/job/Hadoop-Common-trunk-Commit/669/])
HADOOP-7428. IPC connection is orphaned with null 'out' member. Contributed
by Todd Lipcon
eli : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1141638
Files :
* /hadoop/common/trunk/common/CHANGES.txt
* /hadoop/common/trunk/common/src/test/core/org/apache/hadoop/ipc/TestIPC.java
* /hadoop/common/trunk/common/src/java/org/apache/hadoop/ipc/Client.java
> IPC connection is orphaned with null 'out' member
> -------------------------------------------------
>
> Key: HADOOP-7428
> URL: https://issues.apache.org/jira/browse/HADOOP-7428
> Project: Hadoop Common
> Issue Type: Bug
> Components: ipc
> Affects Versions: 0.23.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Attachments: hadoop-7428.txt
>
>
> We had a situation a JT ended up in a state where a certain user could not
> submit a job, due to an NPE on the following line in {{sendParam}}:
> {code}
> synchronized (Connection.this.out) {
> {code}
> Looking at the code, my guess is that an RTE was thrown in setupIOstreams,
> which only catches IOE. This could leave the connection in a half-setup state
> which is never cleaned up and also cannot perform IPCs.
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