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Posted to common-issues@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2010/06/22 04:40:56 UTC

[jira] Updated: (HADOOP-6833) IPC leaks call parameters when exceptions thrown

     [ https://issues.apache.org/jira/browse/HADOOP-6833?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Todd Lipcon updated HADOOP-6833:
--------------------------------

    Status: Patch Available  (was: Open)

> IPC leaks call parameters when exceptions thrown
> ------------------------------------------------
>
>                 Key: HADOOP-6833
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6833
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 0.20.2, 0.21.0, 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Blocker
>         Attachments: hadoop-6833.txt
>
>
> HADOOP-6498 moved the calls.remove() call lower into the SUCCESS clause of receiveResponse(), but didn't put a similar calls.remove into the ERROR clause. So, any RPC call that throws an exception ends up orphaning the Call object in the connection's "calls" hashtable. This prevents cleanup of the connection and is a memory leak for the call parameters.

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