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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