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https://issues.apache.org/jira/browse/HDFS-72?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Harsh J resolved HDFS-72.
-------------------------
Resolution: Not A Problem
This appears to have been long resolved after we changed the way we did writes.
> IOException at task startup "No valid local directories in property:
> dfs.client.buffer.dir"
> -------------------------------------------------------------------------------------------
>
> Key: HDFS-72
> URL: https://issues.apache.org/jira/browse/HDFS-72
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Koji Noguchi
> Priority: Minor
>
> When tasks started up on a brand new mapred cluster, I saw couples of them
> fail immediately by
> java.io.IOException: No valid local directories in property:
> dfs.client.buffer.dir
> at org.apache.hadoop.conf.Configuration.getFile(Configuration.java:401)
> at
> org.apache.hadoop.dfs.DFSClient$DFSOutputStream.newBackupFile(DFSClient.java:1037)
> at org.apache.hadoop.dfs.DFSClient$DFSOutputStream.(DFSClient.java:1004)
> at org.apache.hadoop.dfs.DFSClient.create(DFSClient.java:276)
> at
> org.apache.hadoop.dfs.DistributedFileSystem$RawDistributedFileSystem.create(DistributedFileSystem.java:143)
> at
> org.apache.hadoop.fs.ChecksumFileSystem$FSOutputSummer.(ChecksumFileSystem.java:367)
> at
> org.apache.hadoop.fs.ChecksumFileSystem.create(ChecksumFileSystem.java:442)
> at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:346)
> at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:253)
> at
> org.apache.hadoop.util.CopyFiles$FSCopyFilesMapper.copy(CopyFiles.java:215)
> at
> org.apache.hadoop.util.CopyFiles$FSCopyFilesMapper.map(CopyFiles.java:410)
> at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:48)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:175)
> at
> org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1445)
> (Run on version 0.12.3 + many patches, so the line number could be a little
> off)
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