Ruth Wisniewski created HADOOP-12026:
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Summary: Improve how error messages are displayed from jobclient -
changes to Common
Key: HADOOP-12026
URL: https://issues.apache.org/jira/browse/HADOOP-12026
Project: Hadoop Common
Issue Type: Improvement
Reporter: Ruth Wisniewski
Assignee: Ruth Wisniewski
Priority: Minor
This patch has the changes to Common needed for MAPREDUCE-347, which prints a
message rather than the whole stack trace when the output directory already
exists. The attached patch adds the OutputDirectoryAlreadyExistsException, and
the handling of this exception in RunJar.java. Modified tests are included in
the Mapreduce part of this patch, which depends on the changes to Common. If
you would like me to upload the entire patch with the Mapreduce changes here,
please let me know. (Otherwise I'll add the Mapreduce changes to the
MAPREDUCE-347 issue after this patch is accepted.)
The Mapreduce changes are necessary for the patch to really work. They throw
the exception when the output directory is found to exist in
FileOutputFormat.java. They also will modify a test and ExampleDriver.java.
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