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Posted to common-issues@hadoop.apache.org by "Swapnil Daingade (JIRA)" <ji...@apache.org> on 2015/03/31 03:49:52 UTC

[jira] [Created] (HADOOP-11777) `hadoop classpath` behaviour different from previous releases

Swapnil Daingade created HADOOP-11777:
-----------------------------------------

             Summary: `hadoop classpath` behaviour different from previous releases
                 Key: HADOOP-11777
                 URL: https://issues.apache.org/jira/browse/HADOOP-11777
             Project: Hadoop Common
          Issue Type: Bug
    Affects Versions: 2.6.0
            Reporter: Swapnil Daingade
            Assignee: Swapnil Daingade


In 2.6 doing a `hadoop classpath` returns the following

classpath [--glob|--jar <path>|-h|--help] :
  Prints the classpath needed to get the Hadoop jar and the required
  libraries.
  Options:

  --glob       expand wildcards
  --jar <path> write classpath as manifest in jar named <path>
  -h, --help   print help

This is different from earlier releases.
However, passing any argument to the command will return the classpath as earlier
E.g. `hadoop classpath foo`

It would be nice to preserve the original behaviour for scripts that read the classpath using this command.

The fix seems to be a one line change in
hadoop-common-project/hadoop-common/src/main/bin/hadoop





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