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From "Joep Rottinghuis (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-7577) TT does not start due to backwards compatibility wrt. EventCounter
Date Wed, 24 Aug 2011 22:32:31 GMT
TT does not start due to backwards compatibility wrt. EventCounter
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                 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


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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