[jira] Created: (MAPREDUCE-1652) Tasks need to emit a better error message when job-acls.xml file cannot be created

["Ravi Gummadi (JIRA)" <ji...@apache.org>]

Tasks need to emit a better error message when job-acls.xml file cannot be created
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                 Key: MAPREDUCE-1652
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1652
             Project: Hadoop Map/Reduce
          Issue Type: Bug
    Affects Versions: 0.22.0
            Reporter: Ravi Gummadi
             Fix For: 0.22.0


If task cannot create job-acls.xml in userlogs/$jobid/task-attempt-dir(because of disc being full, OR disc has gone bad, etc), then task should emit a better error message instead of failing with FileNotFoundException in writeJobACLs().

The stack trace shown currently is:

java.lang.Throwable: Child Error
        at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:242)
Caused by: java.io.FileNotFoundException:
$mapred-local-dir/userlogs/job_201003240402_0402/attempt_201003240402_0402_m_002091_0/job-acl.xml (No such
file or directory)
        at java.io.FileOutputStream.open(Native Method)
        at java.io.FileOutputStream.<init>(FileOutputStream.java:179)
        at java.io.FileOutputStream.<init>(FileOutputStream.java:131)
        at org.apache.hadoop.mapred.TaskRunner.writeJobACLs(TaskRunner.java:303)
        at org.apache.hadoop.mapred.TaskRunner.prepareLogFiles(TaskRunner.java:286)
        at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:205)


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