FAQ
Thanks for helping the gentle user!

On 21 02 08 10:38, "Raghu Angadi" wrote:


Please file a jira (let me know if need help with that). Did subsequent
tries to restart succeed?

Thanks,
Raghu.

André Martin wrote:
Hi everyone,
I downloaded the nightly build (see below) yesterday and after the
cluster worked fine for about 10 hours I got the following
error message from the DFS client even all data nodes were up:
08/02/21 14:04:35 INFO fs.DFSClient: Could not obtain block
blk_-400895070464649
0788 from any node: java.io.IOException: No live nodes contain
current block
So I decided to restart our cluster but unfortunately the Namenode
fails to 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 = se09/141.76.44.209
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/141.76.44.209:8000
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 se09/141.76.44.209
************************************************************/
Any ideas?

Cu on the 'net,
Bye - bye,

<<<<< André <<<< >>>> èrbnA >>>>>



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