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Posted to common-issues@hadoop.apache.org by "Joep Rottinghuis (JIRA)" <ji...@apache.org> on 2011/08/25 00:55:29 UTC

[jira] [Updated] (HADOOP-7577) TT does not start due to backwards compatibility wrt. EventCounter

     [ https://issues.apache.org/jira/browse/HADOOP-7577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joep Rottinghuis updated HADOOP-7577:
-------------------------------------

    Attachment: HADOOP-7577.patch

> TT does not start due to backwards compatibility wrt. EventCounter
> ------------------------------------------------------------------
>
>                 Key: HADOOP-7577
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7577
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: metrics
>    Affects Versions: 0.22.0
>            Reporter: Joep Rottinghuis
>            Assignee: Joep Rottinghuis
>            Priority: Minor
>         Attachments: HADOOP-7577.patch
>
>
> Between metrics1 and mertrics2 EventCounter was moved from o.a.h.log to o.a.h.metrics.jvm.
> On 0.20-security a wrapper marked with @Deprecated was added back to o.a.h.log for compatibility, the same wrapper exists on trunk, but no on 0.22.
> Without it the TT will fail to start with a ClassNotFoundException.
> Hive configuration also point to this class in the log4j.properties.

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