Added suggestion made by Mike Spreitzer to hadoop section
git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1134410 13f79535-47bb-0310-9956-ffa450edef68
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@ -239,11 +239,11 @@ stopping hbase...............</programlisting></para>
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<para>Because HBase depends on Hadoop, it bundles an instance of the
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Hadoop jar under its <filename>lib</filename> directory. The bundled
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Hadoop was made from the Apache branch-0.20-append branch at the time
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of the HBase's release. It is <emphasis>critical</emphasis> that the
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version of Hadoop that is out on your cluster matches what is under
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HBase. Replace the hadoop jar found in the HBase
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<filename>lib</filename> directory with the hadoop jar you are running
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out on your cluster to avoid version mismatch issues. Make sure you
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of the HBase's release. The bundled jar is ONLY for use in standalone mode.
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In distributed mode, it is <emphasis>critical</emphasis> that the version of Hadoop that is out
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on your cluster match what is under HBase. Replace the hadoop jar found in the HBase
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<filename>lib</filename> directory with the hadoop jar you are running on
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your cluster to avoid version mismatch issues. Make sure you
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replace the jar in HBase everywhere on your cluster. Hadoop version
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mismatch issues have various manifestations but often all looks like
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its hung up.</para>
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