DataNodes get NullPointerException and become unresponsive on 50010
-------------------------------------------------------------------
Key: HADOOP-604
URL: http://issues.apache.org/jira/browse/HADOOP-604
Project: Hadoop
Issue Type: Bug
Components: dfs
Affects Versions: 0.6.0
Reporter: Christian Kunz
I wonder whether handling of 'children' in FSDataset is thread-safe.
Exception in thread "[EMAIL PROTECTED]" java.lang.NullPointerException
at
org.apache.hadoop.dfs.FSDataset$FSDir.checkDirTree(FSDataset.java:162)
at
org.apache.hadoop.dfs.FSDataset$FSDir.checkDirTree(FSDataset.java:162)
at
org.apache.hadoop.dfs.FSDataset$FSDir.checkDirTree(FSDataset.java:162)
at
org.apache.hadoop.dfs.FSDataset$FSDir.checkDirTree(FSDataset.java:162)
at
org.apache.hadoop.dfs.FSDataset$FSVolume.checkDirs(FSDataset.java:238)
at
org.apache.hadoop.dfs.FSDataset$FSVolumeSet.checkDirs(FSDataset.java:326)
at org.apache.hadoop.dfs.FSDataset.checkDataDir(FSDataset.java:522)
at
org.apache.hadoop.dfs.DataNode$DataXceiveServer.run(DataNode.java:472)
at java.lang.Thread.run(Thread.java:595)
--
This message is automatically generated by JIRA.
-
If you think it was sent incorrectly contact one of the administrators:
http://issues.apache.org/jira/secure/Administrators.jspa
-
For more information on JIRA, see: http://www.atlassian.com/software/jira
