hadoop-common-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-7428) IPC connection is orphaned with null 'out' member
Date Tue, 28 Jun 2011 17:28:17 GMT

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

Todd Lipcon updated HADOOP-7428:
--------------------------------

    Attachment: hadoop-7428.txt

Here's a patch which demonstrates the issue. The unit test is a little bit contrived, but
does demonstrate the issue and act as a regression test.

> 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.

--
This message is automatically generated by JIRA.
For more information on JIRA, see: http://www.atlassian.com/software/jira

        

Mime
View raw message