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Posted to common-dev@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2011/06/27 21:39:47 UTC

[jira] [Created] (HADOOP-7428) IPC connection is orphaned with null 'out' member

IPC connection is orphaned with null 'out' member
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                 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


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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