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From "Amar Kamat (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-4638) Exception thrown in/from RecoveryManager.recover() should be caught and handled
Date Wed, 12 Nov 2008 18:09:44 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-4638?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amar Kamat updated HADOOP-4638:
-------------------------------

    Attachment: HADOOP-4638-v1.1.patch

Attaching a patch that prevents {{RecoveryManager}} from taking down the jobtracker. Added
a testcase to test it.

> Exception thrown in/from RecoveryManager.recover() should be caught and handled
> -------------------------------------------------------------------------------
>
>                 Key: HADOOP-4638
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4638
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>            Reporter: Amar Kamat
>         Attachments: HADOOP-4638-v1.1.patch
>
>
> {{RecoveryManager.recover()}} can throw an exception while recovering a job. Since the
{{JobTracker}} calls {{RecoveryManager.recover()}} from {{offerService()}}, any failure in
recovery will cause {{JobTracker}} to crash. Ideally the {{RecoveryManager}} should log the
failure encountered while recovering the job and continue.

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