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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "Hbase/Troubleshooting" by DrakeMcSmooth
Date Thu, 05 Jun 2008 20:44:10 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

The following page has been changed by DrakeMcSmooth:
http://wiki.apache.org/hadoop/Hbase/Troubleshooting

------------------------------------------------------------------------------
   * Master's log contains repeated instances of the following block:
    ~-INFO org.apache.hadoop.ipc.Client: Retrying connect to server: /127.0.0.1:60020. Already
tried 1 time(s).[[BR]]
    INFO org.apache.hadoop.ipc.Client: Retrying connect to server: /127.0.0.1:60020. Already
tried 2 time(s).[[BR]]
-   ...
+   ...[[BR]]
    INFO org.apache.hadoop.ipc.RPC: Server at /127.0.0.1:60020 not available yet, Zzzzz...-~
   * Region Servers' logs contains repeated instances of the following block:
-   ~-INFO org.apache.hadoop.ipc.Client: Retrying connect to server: masternode/192.168.100.50:60000.
Already tried 9 time(s).
+   ~-INFO org.apache.hadoop.ipc.Client: Retrying connect to server: masternode/192.168.100.50:60000.
Already tried 1 time(s).[[BR]]
-   INFO org.apache.hadoop.ipc.Client: Retrying connect to server: masternode/192.168.100.50:60000.
Already tried 10 time(s).
+   INFO org.apache.hadoop.ipc.Client: Retrying connect to server: masternode/192.168.100.50:60000.
Already tried 2 time(s).[[BR]]
+   ...[[BR]]
    INFO org.apache.hadoop.ipc.RPC: Server at masternode/192.168.100.50:60000 not available
yet, Zzzzz...-~
   * Note that the Master believes the Region Servers have the IP of 127.0.0.1 - which is
localhost and resolves to the master's own localhost.
  === Causes ===
   * The Region Servers are erroneously informing the Master that their IP addresses are 127.0.0.1.
  === Resolution ===
-  * Modify <code>/etc/hosts</code> on the region servers, from
+  * Modify '''/etc/hosts''' on the region servers, from
    {{{
  # Do not remove the following line, or various programs
  # that require network functionality will fail.

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