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Posted to common-dev@hadoop.apache.org by "Devaraj Das (JIRA)" <ji...@apache.org> on 2008/04/17 20:29:28 UTC
[jira] Updated: (HADOOP-3269) NameNode doesn't startup when
restarted after running an MR job
[ https://issues.apache.org/jira/browse/HADOOP-3269?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Devaraj Das updated HADOOP-3269:
--------------------------------
Priority: Blocker (was: Major)
> NameNode doesn't startup when restarted after running an MR job
> ---------------------------------------------------------------
>
> Key: HADOOP-3269
> URL: https://issues.apache.org/jira/browse/HADOOP-3269
> Project: Hadoop Core
> Issue Type: Bug
> Affects Versions: 0.17.0
> Reporter: Devaraj Das
> Assignee: Robert Chansler
> Priority: Blocker
> Fix For: 0.17.0
>
>
> If the following is done in sequence the namenode doesn't start up (tried all these on a single node cluster setup)
> 1) Build a fresh hadoop jar from trunk
> 2) bin/start-all.sh
> 3) bin/hadoop dfs -put <somedir> input
> 4) bin/hadoop jar build/hadoop-0.18.0-dev-examples.jar wordcount input output
> 5) bin/stop-all.sh
> 6) bin/start-all.sh
> Namenode doesnt start up. It fails with following exception:
> 2008-04-17 16:05:32,852 ERROR org.apache.hadoop.dfs.NameNode:
> org.apache.hadoop.fs.permission.AccessControlException: ugi = null
> at org.apache.hadoop.dfs.PermissionChecker.<init>(PermissionChecker.java:49)
> at org.apache.hadoop.dfs.FSNamesystem.checkPermission(FSNamesystem.java:4188)
> at org.apache.hadoop.dfs.FSNamesystem.checkTraverse(FSNamesystem.java:4167)
> at org.apache.hadoop.dfs.FSNamesystem.getFileInfo(FSNamesystem.java:1554)
> at org.apache.hadoop.dfs.FSNamesystem.changeLease(FSNamesystem.java:4358)
> at org.apache.hadoop.dfs.FSEditLog.loadFSEdits(FSEditLog.java:590)
> at org.apache.hadoop.dfs.FSImage.loadFSEdits(FSImage.java:843)
> at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:717)
> at org.apache.hadoop.dfs.FSImage.recoverTransitionRead(FSImage.java:281)
> at org.apache.hadoop.dfs.FSDirectory.loadFSImage(FSDirectory.java:81)
> at org.apache.hadoop.dfs.FSNamesystem.initialize(FSNamesystem.java:274)
> at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:255)
> at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:133)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:178)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:164)
> at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:782)
> at org.apache.hadoop.dfs.NameNode.main(NameNode.java:791)
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