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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-7428) IPC connection is orphaned with null 'out' member
Date Thu, 30 Jun 2011 17:56:35 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-7428?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Eli Collins updated HADOOP-7428:

      Resolution: Fixed
    Hadoop Flags: [Reviewed]
          Status: Resolved  (was: Patch Available)

I've committed this. Thanks Todd!

> 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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