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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "Hbase/Troubleshooting" by gottesmm
Date Sat, 12 Jul 2008 23:15:02 GMT
Dear Wiki user,

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The following page has been changed by gottesmm:

------------------------------------------------------------------------------		localhost.localdomain localhost
  ::1		localhost6.localdomain6 localhost6
+ == Problem: Created Root Directory for HBase through Hadoop DFS ==
+  * On Startup, Master says that you need to run the hbase migrations script. Upon running
that, the hbase migrations script says no files in root directory.
+ === Causes ===
+  * HBase expects the root directory to either not exist, or to have already been initialized
by hbase running a previous time. If you create a new directory for HBase using Hadoop DFS,
this error will occur.
+ === Resolution ===
+  * Make sure the HBase root directory does not currently exist or has been initialized by
a previous run of HBase. Sure fire solution is to just use Hadoop dfs to delete the HBase
root and let HBase create and initialize the directory itself.

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