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From Sergio Puchini <spuch...@gmail.com>
Subject Help! FSNamesystem initialization failed.
Date Tue, 01 Dec 2009 08:51:26 GMT

Hi, suddenly I’ve got problem with starting Namenode:

[hadoop@hadoop1 hadoop]$ bin/hadoop namenode
09/12/01 11:26:51 INFO namenode.NameNode: STARTUP_MSG:
/************************************************************
STARTUP_MSG: Starting NameNode
STARTUP_MSG:   host = hadoop1.bcr.ru/81.68.243.18
STARTUP_MSG:   args = []
STARTUP_MSG:   version = 0.19.2-dev
STARTUP_MSG:   build =
http://svn.apache.org/repos/asf/hadoop/core/branches/bran
ch-0.19 -r 755955; compiled by 'maksim07' on Sun Mar 22 14:29:37 MSK 2009
************************************************************/
09/12/01 11:26:51 INFO metrics.RpcMetrics: Initializing RPC Metrics with
hostName=NameNode, port=9000
09/12/01 11:26:51 INFO namenode.NameNode: Namenode up at:
hadoop1.bcr.ru/81.68.243.18:9000
09/12/01 11:26:51 INFO jvm.JvmMetrics: Initializing JVM Metrics with
processName=NameNode, sessionId=null
09/12/01 11:26:51 INFO metrics.NameNodeMetrics: Initializing
NameNodeMeterics using context
object:org.apache.hadoop.metrics.spi.NullContext
09/12/01 11:26:52 INFO namenode.FSNamesystem: fsOwner=hadoop,hadoop,dba
09/12/01 11:26:52 INFO namenode.FSNamesystem: supergroup=supergroup
09/12/01 11:26:52 INFO namenode.FSNamesystem: isPermissionEnabled=true
09/12/01 11:26:52 INFO metrics.FSNamesystemMetrics: Initializing
FSNamesystemMet
rics using context object:org.apache.hadoop.metrics.spi.NullContext
09/12/01 11:26:52 INFO namenode.FSNamesystem: Registered
FSNamesystemStatusMBean
09/12/01 11:26:52 INFO common.Storage: Number of files = 30079
09/12/01 11:26:53 INFO common.Storage: Number of files under construction =
0
09/12/01 11:26:53 INFO common.Storage: Image file of size 4451066 loaded in
1 seconds.
09/12/01 11:27:11 ERROR namenode.FSNamesystem: FSNamesystem initialization
failed.
java.io.IOException: Incorrect data format. logVersion is -18 but
writables.length is 0.
        at
org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadFSEdits(FSEditLog.java:542)
        at
org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSEdits(FSImage.java:973)
        at
org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:793)
        at
org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:352)
        at
org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:87)
        at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:309)
        at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:288)
        at
org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:163)
        at
org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:208)
        at
org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:194)
        at
org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:859)
        at
org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:868)
09/12/01 11:27:11 INFO ipc.Server: Stopping server on 9000
09/12/01 11:27:11 ERROR namenode.NameNode: java.io.IOException: Incorrect
data f
ormat. logVersion is -18 but writables.length is 0.
        at
org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadFSEdits(FSEditLog.java:542)
        at
org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSEdits(FSImage.java:973)
        at
org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:793)
        at
org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:352)
        at
org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:87)
        at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:309)
        at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:288)
        at
org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:163)
        at
org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:208)
        at
org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:194)
        at
org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:859)
        at
org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:868)
09/12/01 11:27:11 INFO namenode.NameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at hadoop1.bcr.ru/81.68.243.18
************************************************************/

Any ideas?

Thanks!
Sergio Puchini.


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