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From Manish Bhoge <manishbh...@rocketmail.com>
Subject Namenode is failing with expception to join
Date Wed, 07 Aug 2013 07:00:13 GMT
I have all configuration fine. But whenever i start namenode it fails with a below exception.
No clue where to fix this?


"2013-08-07 02:56:22,754 FATAL org.apache.hadoop.hdfs.server.namenode.NameNode: Exception
in namenode join"
2013-08-07 02:56:22,751 INFO org.apache.hadoop.hdfs.server.namenode.FSImage: Number of files
= 1
2013-08-07 02:56:22,751 INFO org.apache.hadoop.hdfs.server.namenode.FSImage: Number of files
under construction = 0
2013-08-07 02:56:22,752 INFO org.apache.hadoop.hdfs.server.namenode.FSImage: Image file of
size 115 loaded in 0 seconds.
2013-08-07 02:56:22,752 INFO org.apache.hadoop.hdfs.server.namenode.FSImage: Loaded image
for txid 0 from /data/1/dfs/nn/current/fsimage_0000000000000000000
2013-08-07 02:56:22,752 INFO org.apache.hadoop.hdfs.server.namenode.FSImage: Reading org.apache.hadoop.hdfs.server.namenode.RedundantEditLogInputStream@5f18223d
expecting start txid #1
2013-08-07 02:56:22,752 INFO org.apache.hadoop.hdfs.server.namenode.EditLogInputStream: Fast-forwarding
stream '/data/1/dfs/nn/current/edits_0000000000000515247-0000000000000515255' to transaction
ID 1
2013-08-07 02:56:22,753 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Stopping NameNode
metrics system...
2013-08-07 02:56:22,754 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NameNode metrics
system stopped.
2013-08-07 02:56:22,754 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NameNode metrics
system shutdown complete. 2013-08-07 02:56:22,754 FATAL org.apache.hadoop.hdfs.server.namenode.NameNode:
Exception in namenode join java.io.IOException: There appears to be a gap in the edit log.
 We expected txid 1, but got txid 515247.
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