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Posted to hdfs-dev@hadoop.apache.org by "ryan rawson (JIRA)" <ji...@apache.org> on 2010/02/25 23:54:27 UTC
[jira] Created: (HDFS-1002) Secondary Name Node crash, NPE in edit
log replay
Secondary Name Node crash, NPE in edit log replay
-------------------------------------------------
Key: HDFS-1002
URL: https://issues.apache.org/jira/browse/HDFS-1002
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 0.21.0
Reporter: ryan rawson
Fix For: 0.21.0
An NPE in SNN, the core of the message looks like yay so:
2010-02-25 11:54:05,834 ERROR org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: java.lang.NullPointerException
at org.apache.hadoop.hdfs.server.namenode.FSDirectory.addChild(FSDirectory.java:1152)
at org.apache.hadoop.hdfs.server.namenode.FSDirectory.addChild(FSDirectory.java:1164)
at org.apache.hadoop.hdfs.server.namenode.FSDirectory.addNode(FSDirectory.java:1067)
at org.apache.hadoop.hdfs.server.namenode.FSDirectory.unprotectedAddFile(FSDirectory.java:213)
at org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadEditRecords(FSEditLog.java:511)
at org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadFSEdits(FSEditLog.java:401)
at org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadFSEdits(FSEditLog.java:368)
at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSEdits(FSImage.java:1172)
at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode$CheckpointStorage.doMerge(SecondaryNameNode.java:594)
at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode$CheckpointStorage.access$000(SecondaryNameNode.java:476)
at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doMerge(SecondaryNameNode.java:353)
at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doCheckpoint(SecondaryNameNode.java:317)
at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.run(SecondaryNameNode.java:219)
at java.lang.Thread.run(Thread.java:619)
This happens even if I restart SNN over and over again.
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[jira] Resolved: (HDFS-1002) Secondary Name Node crash, NPE in edit
log replay
Posted by "Todd Lipcon (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HDFS-1002?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Todd Lipcon resolved HDFS-1002.
-------------------------------
Resolution: Invalid
> Secondary Name Node crash, NPE in edit log replay
> -------------------------------------------------
>
> Key: HDFS-1002
> URL: https://issues.apache.org/jira/browse/HDFS-1002
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 0.21.0
> Reporter: ryan rawson
> Priority: Blocker
> Fix For: 0.21.0
>
> Attachments: addChildNPE.patch, snn_crash.tar.gz, snn_log.txt
>
>
> An NPE in SNN, the core of the message looks like yay so:
> 2010-02-25 11:54:05,834 ERROR org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: java.lang.NullPointerException
> at org.apache.hadoop.hdfs.server.namenode.FSDirectory.addChild(FSDirectory.java:1152)
> at org.apache.hadoop.hdfs.server.namenode.FSDirectory.addChild(FSDirectory.java:1164)
> at org.apache.hadoop.hdfs.server.namenode.FSDirectory.addNode(FSDirectory.java:1067)
> at org.apache.hadoop.hdfs.server.namenode.FSDirectory.unprotectedAddFile(FSDirectory.java:213)
> at org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadEditRecords(FSEditLog.java:511)
> at org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadFSEdits(FSEditLog.java:401)
> at org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadFSEdits(FSEditLog.java:368)
> at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSEdits(FSImage.java:1172)
> at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode$CheckpointStorage.doMerge(SecondaryNameNode.java:594)
> at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode$CheckpointStorage.access$000(SecondaryNameNode.java:476)
> at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doMerge(SecondaryNameNode.java:353)
> at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doCheckpoint(SecondaryNameNode.java:317)
> at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.run(SecondaryNameNode.java:219)
> at java.lang.Thread.run(Thread.java:619)
> This happens even if I restart SNN over and over again.
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