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From André Martin (JIRA) <j...@apache.org>
Subject [jira] Created: (HADOOP-2873) Namenode fails to re-start after cluster shutdown - DFSClient: Could not obtain blocks even all datanodes were up & live
Date Fri, 22 Feb 2008 10:46:19 GMT
Namenode fails to re-start after cluster shutdown - DFSClient: Could not obtain blocks even
all datanodes were up & live
------------------------------------------------------------------------------------------------------------------------

                 Key: HADOOP-2873
                 URL: https://issues.apache.org/jira/browse/HADOOP-2873
             Project: Hadoop Core
          Issue Type: Bug
          Components: dfs
    Affects Versions: hudson
            Reporter: André Martin


Namenode fails to re-start with the following exception:

 2008-02-21 14:20:48,831 INFO org.apache.hadoop.dfs.NameNode: STARTUP_MSG:
 /************************************************************
 STARTUP_MSG: Starting NameNode
 STARTUP_MSG:   host = se09/141.76.xxx.xxx
 STARTUP_MSG:   args = []
 STARTUP_MSG:   version = 2008-02-19_11-01-48
 STARTUP_MSG:   build = http://svn.apache.org/repos/asf/hadoop/core/trunk -r 628999; compiled
by 'hudson' on Tue Feb 19 11:09:05 UTC 2008
 ************************************************************/
 2008-02-21 14:20:49,367 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: Initializing RPC Metrics
with serverName=NameNode, port=8000
 2008-02-21 14:20:49,374 INFO org.apache.hadoop.dfs.NameNode: Namenode up at: se09.inf.tu-dresden.de/141.76.xxx.xxx:8000
 2008-02-21 14:20:49,378 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: Initializing JVM Metrics
with processName=NameNode, sessionId=null
 2008-02-21 14:20:49,381 INFO org.apache.hadoop.dfs.NameNodeMetrics: Initializing NameNodeMeterics
using context object:org.apache.hadoop.metrics.spi.NullContext
 2008-02-21 14:20:49,501 INFO org.apache.hadoop.fs.FSNamesystem: fsOwner=amartin,students
 2008-02-21 14:20:49,501 INFO org.apache.hadoop.fs.FSNamesystem: supergroup=supergroup
 2008-02-21 14:20:49,501 INFO org.apache.hadoop.fs.FSNamesystem: isPermissionEnabled=true
 2008-02-21 14:20:49,788 INFO org.apache.hadoop.ipc.Server: Stopping server on 8000
 2008-02-21 14:20:49,790 ERROR org.apache.hadoop.dfs.NameNode: java.io.IOException: Created
13 leases but found 4
     at org.apache.hadoop.dfs.FSImage.loadFilesUnderConstruction(FSImage.java:935)
     at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:749)
     at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:634)
     at org.apache.hadoop.dfs.FSImage.recoverTransitionRead(FSImage.java:223)
     at org.apache.hadoop.dfs.FSDirectory.loadFSImage(FSDirectory.java:79)
     at org.apache.hadoop.dfs.FSNamesystem.initialize(FSNamesystem.java:261)
     at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:242)
     at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:131)
     at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:176)
     at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:162)
     at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:851)
     at org.apache.hadoop.dfs.NameNode.main(NameNode.java:860)

 2008-02-21 14:20:49,791 INFO org.apache.hadoop.dfs.NameNode: SHUTDOWN_MSG:
 /************************************************************
 SHUTDOWN_MSG: Shutting down NameNode at se09/141.76.xxx.xxx
 ************************************************************/ 

Cluster restart was needed since the DFS client produced the following error message even
all datanodes were up:

 08/02/21 14:04:35 INFO fs.DFSClient: Could not obtain block blk_-4008950704646490788 from
any node:  java.io.IOException: No live nodes contain current block



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