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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Reopened: (HDFS-686) NullPointerException is thrown while merging edit log and image
Date Fri, 19 Feb 2010 00:00:38 GMT

     [ https://issues.apache.org/jira/browse/HDFS-686?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon reopened HDFS-686:
------------------------------


> NullPointerException is thrown while merging edit log and image
> ---------------------------------------------------------------
>
>                 Key: HDFS-686
>                 URL: https://issues.apache.org/jira/browse/HDFS-686
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 0.20.1, 0.21.0
>            Reporter: Hairong Kuang
>            Assignee: Hairong Kuang
>            Priority: Blocker
>             Fix For: 0.20.2, 0.21.0
>
>         Attachments: nullSetTime.patch, openNPE-trunk.patch, openNPE.patch
>
>
> Our secondary name node is not able to start on NullPointerException:
> ERROR org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: java.lang.NullPointerException
>         at org.apache.hadoop.hdfs.server.namenode.FSDirectory.unprotectedSetTimes(FSDirectory.java:1232)
>         at org.apache.hadoop.hdfs.server.namenode.FSDirectory.unprotectedSetTimes(FSDirectory.java:1221)
>         at org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadFSEdits(FSEditLog.java:776)
>         at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSEdits(FSImage.java:992)
>         at
> org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode$CheckpointStorage.doMerge(SecondaryNameNode.java:590)
>         at
> org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode$CheckpointStorage.access$000(SecondaryNameNode.java:473)
>         at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doMerge(SecondaryNameNode.java:350)
>         at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doCheckpoint(SecondaryNameNode.java:314)
>         at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.run(SecondaryNameNode.java:225)
>         at java.lang.Thread.run(Thread.java:619)
> This was caused by setting access time on a non-existent file.

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