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Date: Tue, 1 Apr 2008 23:11:24 -0700 (PDT)
From: "dhruba borthakur (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Updated: (HADOOP-3118) Namenode NPE while loading fsimage
 after a cluster upgrade from older disk format
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     [ https://issues.apache.org/jira/browse/HADOOP-3118?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

dhruba borthakur updated HADOOP-3118:
-------------------------------------

    Status: Patch Available  (was: Open)

> Namenode NPE while loading fsimage after a cluster upgrade from older disk format
> ---------------------------------------------------------------------------------
>
>                 Key: HADOOP-3118
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3118
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>            Priority: Blocker
>             Fix For: 0.17.0
>
>         Attachments: loadImageNPE.patch, loadImageNPE.patch
>
>
> FSDirectory.unprotectedDelete: failed to remove /user/ran gadi/10Mb because it does not exist
> 2008-03-27 22:00:10,904 ERROR org.apache.hadoop.dfs.NameNode: 
> java.lang.NullPointerException
>          at
> org.apache.hadoop.dfs.StringBytesWritable.<init>(StringBytesWritable.java:39)
>          at
> org.apache.hadoop.dfs.INodeFileUnderConstruction.<init>(INode.java:795)
>          at org.apache.hadoop.dfs.FSEditLog.loadFSEdits(FSEditLog.java:528)
>          at org.apache.hadoop.dfs.FSImage.loadFSEdits(FSImage.java:766)
>          at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:640)
>          at org.apache.hadoop.dfs.FSImage.doUpgrade(FSImage.java:250)
>          at
> org.apache.hadoop.dfs.FSImage.recoverTransitionRead(FSImage.java:217)
>          at
> org.apache.hadoop.dfs.FSDirectory.loadFSImage(FSDirectory.java:80)
>          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:846)
>          at org.apache.hadoop.dfs.NameNode.main(NameNode.java:855)

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