NameNode entered into an infinite loop of logging
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Key: HADOOP-5594
URL: https://issues.apache.org/jira/browse/HADOOP-5594
Project: Hadoop Core
Issue Type: Bug
Components: dfs
Affects Versions: 0.19.0
Reporter: Runping Qi
We have a cluster running Hadoop 0.19.0.
For some reason, the name node entered into an infinite loop of spitting the
following message once every second:
2009-03-30 00:00:02,658 INFO
org.apache.hadoop.hdfs.server.namenode.FSNamesystem:
commitBlockSynchronization(lastblock=blk_2800657178116909860_14611,
newgenerationstamp=0, newlength=0, newtargets=[])
2009-03-30 00:00:02,658 INFO org.apache.hadoop.ipc.Server: IPC Server handler 4
on 8088, call commitBlockSynchronization(blk_2800657178116909860_14611, 0, 0,
false, true, [Lorg.apache.hadoop.hdfs.protocol.DatanodeID;@1558378) from
10.126.185.32:45347: error: java.io.IOException: Block
(=blk_2800657178116909860_14611) not found
java.io.IOException: Block (=blk_2800657178116909860_14611) not found
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.commitBlockSynchronization(FSNamesystem.java:1898)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.commitBlockSynchronization(NameNode.java:410)
at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:452)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:892)
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