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Posted to common-dev@hadoop.apache.org by "Ruth Wisniewski (JIRA)" <ji...@apache.org> on 2015/05/23 20:14:17 UTC

[jira] [Created] (HADOOP-12026) Improve how error messages are displayed from jobclient - changes to Common

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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