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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "Hbase/Troubleshooting" by DrakeMcSmooth
Date Thu, 05 Jun 2008 20:46:07 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

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  ::1		localhost6.localdomain6 localhost6
  }}}
  
- == Problem: HRegionServers have lease issues on starting Hbase ==
-  * HRegionServers connect initially, then drop off due to '''LeaseExpiredException'''
-  * The following can be seen in '''hbase-{user}-master-masternode.log''', for example, '''hbase-hadoop-master-masternode.log'''
-   ~-2007-12-04 14:35:06,690 INFO org.apache.hadoop.hbase.HMaster: received start message
from: 127.0.0.1:60020[[BR]]
-   2007-12-04 14:35:06,696 INFO org.apache.hadoop.hbase.HMaster: received start message from:
192.168.100.50:60020[[BR]]
-   2007-12-04 14:35:06,697 INFO org.apache.hadoop.hbase.HMaster: received start message from:
127.0.0.1:60020[[BR]]
-   2007-12-04 14:35:06,711 INFO org.apache.hadoop.hbase.HMaster: received start message from:
127.0.0.1:60020-~
- 
- === Causes ===
-  * The master node is having difficulty resolving the IP addresses of the HRegionServers
(slave nodes)
- === Resolution ===
-  * Remove master node (node on which HMaster runs) from '''hbase/conf/regionservers'''
- 

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