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https://issues.apache.org/jira/browse/HADOOP-7458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13066329#comment-13066329
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Jakob Homan commented on HADOOP-7458:
-------------------------------------
@Gerrit
Sakthivel most likely has a corrupted edits log and his immediate need is
get support on how to recover from his particular calamity. The correct forum
for that is our mailing lists, where he is already receiving assistance.
You're correct that we can always handle error recovery better than we do, and
if you have a patch you'd like to offer to help with this, please do so in
another JIRA dedicated to your particular fix. Combining discussion of your
suggested approach with the troubleshooting needed to address Skithivel's
current problem will not be productive.
> Namenode not get started! FSNamesystem initialization failed.
> java.io.FileNotFoundException
> -------------------------------------------------------------------------------------------
>
> Key: HADOOP-7458
> URL: https://issues.apache.org/jira/browse/HADOOP-7458
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.20.2
> Environment: CentOS release 5.5 (Final), 18 node Cluster
> Reporter: Sakthivel Murugasamy
> Priority: Blocker
> Labels: hadoop
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> 2011-07-13 12:04:12,967 ERROR
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: FSNamesystem
> initialization failed.
> java.io.FileNotFoundException: File does not exist:
> /opt/data/tmp/mapred/system/job_201107041958_0120/j^@^@^@^@^@^@
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirectory.unprotectedSetPermission(FSDirectory.java:544)
> at
> org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadFSEdits(FSEditLog.java:724)
> at
> org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSEdits(FSImage.java:992)
> at
> org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:812)
> at
> org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:364)
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:87)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:311)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:292)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:201)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:279)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:956)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:965)
> 2011-07-13 12:04:13,006 ERROR
> org.apache.hadoop.hdfs.server.namenode.NameNode:
> java.io.FileNotFoundException: File does not exist:
> /opt/data/tmp/mapred/system/job_201107041958_0120/j^@^@^@^@^@^@
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirectory.unprotectedSetPermission(FSDirectory.java:544)
> at
> org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadFSEdits(FSEditLog.java:724)
> at
> org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSEdits(FSImage.java:992)
> at
> org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:812)
> at
> org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:364)
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:87)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:311)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:292)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:201)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:279)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:956)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:965)
> In the path /opt/data/tmp/mapred, "system/" folder itself is not available
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