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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-7140) IPC Reader threads do not stop when server stops
Date Mon, 14 Feb 2011 21:21:57 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-7140?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon updated HADOOP-7140:
--------------------------------

    Attachment: hadoop-7140.txt

New rev of the patch:
- improves test assertions as suggested by Tom
- adds a try{}finally{} in the test so as to avoid causing problems if the test fails

Tom and I discussed his idea about interrupts offline - we decided that using interrupt()
is a bit harsh since we don't want to catch a reader in the middle of a readAndProcess().
Using selector.wakeup is cleaner.

> IPC Reader threads do not stop when server stops
> ------------------------------------------------
>
>                 Key: HADOOP-7140
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7140
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Critical
>             Fix For: 0.22.0
>
>         Attachments: hadoop-7140.txt, hadoop-7140.txt
>
>
> After HADOOP-6713, the new IPC "Reader" threads are not properly stopped when the server
shuts down. One repercussion of this is that conditions that are supposed to shut down a daemon
no longer work (eg the TT doesn't shut itself down if it detects an incompatible build version)

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