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https://issues.apache.org/jira/browse/HADOOP-2934?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dhruba borthakur updated HADOOP-2934:
-------------------------------------
Resolution: Fixed
Fix Version/s: 0.17.0
Status: Resolved (was: Patch Available)
I just committed this.
> NPE while loading FSImage
> --------------------------
>
> Key: HADOOP-2934
> URL: https://issues.apache.org/jira/browse/HADOOP-2934
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.17.0
> Reporter: Raghu Angadi
> Assignee: dhruba borthakur
> Fix For: 0.17.0
>
> Attachments: NPE_FSImage.patch, NPE_FSImage.patch, NPE_FSImage.patch
>
>
> André Martin reported on core-user mailing list :
> {noformat}
> [...]
> 2008-03-02 01:25:29,887 ERROR org.apache.hadoop.dfs.NameNode:
> java.lang.NullPointerException
> at
> org.apache.hadoop.dfs.FSImage.readINodeUnderConstruction(FSImage.java:950)
> at
> org.apache.hadoop.dfs.FSImage.loadFilesUnderConstruction(FSImage.java:919)
> 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)
> {noformat}
> Block object should be allocated before calling {{readFields()}} in
> FSImage.java : {code}
> BlockInfo[] blocks = new BlockInfo[numBlocks];
> for (int i = 0; i < numBlocks; i++) {
> blocks[i].readFields(in);
> }
> {code}
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