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Posted to common-dev@hadoop.apache.org by "Doug Cutting (JIRA)" <ji...@apache.org> on 2007/01/03 19:49:28 UTC
[jira] Updated: (HADOOP-745) NameNode throws FileNotFoundException:
Parent path does not exist on startup
[ https://issues.apache.org/jira/browse/HADOOP-745?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Doug Cutting updated HADOOP-745:
--------------------------------
Resolution: Fixed
Fix Version/s: 0.10.0
Status: Resolved (was: Patch Available)
I just committed this. Thanks, Dhruba!
> NameNode throws FileNotFoundException: Parent path does not exist on startup
> ----------------------------------------------------------------------------
>
> Key: HADOOP-745
> URL: https://issues.apache.org/jira/browse/HADOOP-745
> Project: Hadoop
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.8.0
> Reporter: Nigel Daley
> Assigned To: dhruba borthakur
> Fix For: 0.10.0
>
> Attachments: namenodelocking1.patch
>
>
> (with credit to Christian)
> The following exception is reported by the namenode upon startup:
> 2006-11-22 12:18:17,713 ERROR org.apache.hadoop.dfs.NameNode:
> java.io.FileNotFoundException: Parent path does not exist: /foo/bar
> at org.apache.hadoop.dfs.FSDirectory$INode.addNode(FSDirectory.java:186)
> at org.apache.hadoop.dfs.FSDirectory.unprotectedMkdir(FSDirectory.java:731)
> at org.apache.hadoop.dfs.FSEditLog.loadFSEdits(FSEditLog.java:254)
> at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:191)
> at org.apache.hadoop.dfs.FSDirectory.loadFSImage(FSDirectory.java:321)
> at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:230)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:145)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:137)
> at org.apache.hadoop.dfs.NameNode.main(NameNode.java:585)
> Perhaps the 'mkdirs' section
> INode inserted = unprotectedMkdir(cur);
> if (inserted != null) {
> NameNode.stateChangeLog.debug("DIR* FSDirectory.mkdirs: "
> +"created directory "+cur );
> fsImage.getEditLog().logMkDir( inserted );
> needs to be synchronized or the unprotectedMkdir method needs to be changed
> to allow creating missing parent directories.
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