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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-983) NameNode transaction log corruption with bad filename
Date Wed, 17 Feb 2010 21:17:28 GMT

    [ https://issues.apache.org/jira/browse/HDFS-983?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12834994#action_12834994
] 

dhruba borthakur commented on HDFS-983:
---------------------------------------

{code}
2010-02-17 00:03:23,763 ERROR org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: java.io.IOException:
Found lease for non-existent file /tmp/appeventtype=��^C��ҵ^Q�ѧq   �ﺀ����^W2m�^L�|�,�'�/K��4S��@��JzIԶO{�t����P-�I���Kҁ����/part-00012-967449531
        at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFilesUnderConstruction(FSImage.java:1211)
        at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:959)
        at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode$CheckpointStorage.doMerge(SecondaryNameNode.java:589)
        at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode$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)
{code}


> NameNode transaction log corruption with bad filename
> -----------------------------------------------------
>
>                 Key: HDFS-983
>                 URL: https://issues.apache.org/jira/browse/HDFS-983
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 0.20.1
>            Reporter: dhruba borthakur
>
> The SecondaryNamenode is unable to create checkpoints. The stack trace is attached. This
is the second time we have seen this issue. Both these occurances happened with unprintable
characters in the filename. I am wondering if there is an String-UTF8 encoding problem.

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