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From "Mingliang Liu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-12473) distcp's ignoring failures should be mutually exclusive with the atomic option
Date Mon, 12 Oct 2015 17:34:05 GMT
Mingliang Liu created HADOOP-12473:
--------------------------------------

             Summary: distcp's ignoring failures should be mutually exclusive with the atomic
option
                 Key: HADOOP-12473
                 URL: https://issues.apache.org/jira/browse/HADOOP-12473
             Project: Hadoop Common
          Issue Type: Bug
          Components: tools/distcp
    Affects Versions: 2.7.1
            Reporter: Mingliang Liu
            Assignee: Mingliang Liu
            Priority: Critical
             Fix For: 2.8.0


{{RetriableFileCopyCommand.CopyReadException}} is double-wrapped via

# via {{RetriableCommand::execute}}
# via {{CopyMapper#copyFileWithRetry}}

before {{CopyMapper::handleFailure}} tests 
{code}
if (ignoreFailures && exception.getCause() instanceof
            RetriableFileCopyCommand.CopyReadException
{code}
which is always false.

Orthogonally, ignoring failures should be mutually exclusive with the atomic option otherwise
an incomplete dir is eligible for commit defeating the purpose.
 



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