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From "Vitalii Tymchyshyn (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2084) Sometimes backup node/secondary name node stops with exception
Date Tue, 21 Jun 2011 16:15:47 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13052640#comment-13052640
] 

Vitalii Tymchyshyn commented on HDFS-2084:
------------------------------------------

I did check the job and could find nothing special. The files existed a little less then hour
before the job was deleted. Nothing regarding file names in name node log.
Unfortunatelly I did not output the times being applied to the log, so I can't check if it's
inside or outside (or on the edge of) the interval where files were existing.

> Sometimes backup node/secondary name node stops with exception
> --------------------------------------------------------------
>
>                 Key: HDFS-2084
>                 URL: https://issues.apache.org/jira/browse/HDFS-2084
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 0.21.0
>         Environment: FreeBSD
>            Reporter: Vitalii Tymchyshyn
>         Attachments: patch.diff
>
>
> 2011-06-17 11:43:23,096 ERROR org.apache.hadoop.hdfs.server.namenode.Checkpointer: Throwable
Exception in doCheckpoint: 
> java.lang.NullPointerException
>         at org.apache.hadoop.hdfs.server.namenode.FSDirectory.unprotectedSetTimes(FSDirectory.java:1765)
>         at org.apache.hadoop.hdfs.server.namenode.FSDirectory.unprotectedSetTimes(FSDirectory.java:1753)
>         at org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadEditRecords(FSEditLog.java:708)
>         at org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadFSEdits(FSEditLog.java:411)
>         at org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadFSEdits(FSEditLog.java:378)
>         at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSEdits(FSImage.java:1209)
>         at org.apache.hadoop.hdfs.server.namenode.BackupStorage.loadCheckpoint(BackupStorage.java:158)
>         at org.apache.hadoop.hdfs.server.namenode.Checkpointer.doCheckpoint(Checkpointer.java:243)
>         at org.apache.hadoop.hdfs.server.namenode.Checkpointer.run(Checkpointer.java:141)

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