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From EdwardKing <zhan...@neusoft.com>
Subject Re: why hadoop-daemon.sh stop itself
Date Wed, 02 Jul 2014 08:54:30 GMT
I find logs,but I don't know how to do it. Thanks

2014-07-02 01:07:38,473 FATAL org.apache.hadoop.hdfs.server.datanode.DataNode: Initialization
failed for block pool Block pool BP-279671289-127.0.0.1-1404285849267 (storage id DS-601761441-127.0.0.1-50010-1404205370190)
service to localhost/127.0.0.1:9000
java.io.IOException: Incompatible clusterIDs in /home/yarn/hadoop-2.2.0/hdfs/dn: namenode
clusterID = CID-c91ccd10-8ea0-4fb3-9037-d5f57694674e; datanode clusterID = CID-89e2e0b8-2d61-4d6a-9424-ab46e4f83cab
 at org.apache.hadoop.hdfs.server.datanode.DataStorage.doTransition(DataStorage.java:391)
 at org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:191)
 at org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:219)
 at org.apache.hadoop.hdfs.server.datanode.DataNode.initStorage(DataNode.java:837)
 at org.apache.hadoop.hdfs.server.datanode.DataNode.initBlockPool(DataNode.java:808)
 at org.apache.hadoop.hdfs.server.datanode.BPOfferService.verifyAndSetNamespaceInfo(BPOfferService.java:280)
 at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:222)
 at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:664)
 at java.lang.Thread.run(Thread.java:745)
2014-07-02 01:07:38,489 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Ending block
pool service for: Block pool BP-279671289-127.0.0.1-1404285849267 (storage id DS-601761441-127.0.0.1-50010-1404205370190)
service to localhost/127.0.0.1:9000
2014-07-02 01:07:38,601 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Removed Block
pool BP-279671289-127.0.0.1-1404285849267 (storage id DS-601761441-127.0.0.1-50010-1404205370190)
2014-07-02 01:07:40,602 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Exiting Datanode
2014-07-02 01:07:40,606 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 0
2014-07-02 01:07:40,610 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG:

/************************************************************
SHUTDOWN_MSG: Shutting down DataNode at localhost.localdomain/127.0.0.1
************************************************************/
2014-07-02 01:08:34,956 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG:

/************************************************************


  ----- Original Message ----- 
  From: Nitin Pawar 
  To: user@hadoop.apache.org 
  Sent: Wednesday, July 02, 2014 4:49 PM
  Subject: Re: why hadoop-daemon.sh stop itself


  pull out the logs from datanode log file 


  it will tell why it stopped 



  On Wed, Jul 2, 2014 at 2:05 PM, EdwardKing <zhangsc@neusoft.com> wrote:

    I use hadoop2.2.0 , I start hadoop-daemon service,like follows:

    [hdfs@localhost logs]$ hadoop-daemon.sh start namenode
    [hdfs@localhost logs]$ hadoop-daemon.sh start secondarynamenode
    [hdfs@localhost logs]$ hadoop-daemon.sh start datanode
    [hdfs@localhost logs]$ jps
    4135 NameNode
    4270 SecondaryNameNode
    4331 DataNode
    4364 Jps

    After a while,when I use jps command,I find datanode is disappeared.Why?
    [hdfs@localhost logs]$ jps
    4135 NameNode
    4270 SecondaryNameNode
    4364 Jps



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  Nitin Pawar
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