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https://issues.apache.org/jira/browse/HADOOP-7458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13065793#comment-13065793
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Sakthivel Murugasamy commented on HADOOP-7458:
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Thanks for your reply @Jithendra & @Jacob, I am running hadoop cluster with
basic configurations with very minimal custom configurations and haven't taken
any backup separately.
@Jacob, I have written this to hdfs user's list.
> 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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