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https://issues.apache.org/jira/browse/HADOOP-758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12462599
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Raghu Angadi commented on HADOOP-758:
-------------------------------------
Looking around the code around the stack trace, it is hard to see how this
could have happened. We should update the bug if we notice this again. I
checked a large sorter benchmark run there does not seem to be anything close
to this exception.
> FileNotFound on DFS block file
> ------------------------------
>
> Key: HADOOP-758
> URL: https://issues.apache.org/jira/browse/HADOOP-758
> Project: Hadoop
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.8.0
> Reporter: Owen O'Malley
> Assigned To: Sameer Paranjpye
>
> While run the sort benchmark a reduce failed with:
> java.io.FileNotFoundException:
> /tmp/hadoop-oom/dfs/tmp/tmp/client-4362164194084664090 (No such file or
> directory)
> at java.io.FileInputStream.open(Native Method)
> at java.io.FileInputStream.(FileInputStream.java:106)
> at
> org.apache.hadoop.dfs.DFSClient$DFSOutputStream.endBlock(DFSClient.java:1156)
> at
> org.apache.hadoop.dfs.DFSClient$DFSOutputStream.close(DFSClient.java:1244)
> at java.io.FilterOutputStream.close(FilterOutputStream.java:143)
> at java.io.FilterOutputStream.close(FilterOutputStream.java:143)
> at java.io.FilterOutputStream.close(FilterOutputStream.java:143)
> at
> org.apache.hadoop.fs.FSDataOutputStream$Summer.close(FSDataOutputStream.java:98)
> at java.io.FilterOutputStream.close(FilterOutputStream.java:143)
> at java.io.FilterOutputStream.close(FilterOutputStream.java:143)
> at java.io.FilterOutputStream.close(FilterOutputStream.java:143)
> at org.apache.hadoop.io.SequenceFile$Writer.close(SequenceFile.java:515)
> at
> org.apache.hadoop.mapred.SequenceFileOutputFormat$1.close(SequenceFileOutputFormat.java:71)
> at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:310)
> at
> org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1271)
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