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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11516) Admin command line should print message to stderr in failure case
Date Fri, 17 Mar 2017 04:09:41 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11516?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15929393#comment-15929393
] 

Andrew Wang commented on HDFS-11516:
------------------------------------

LGTM +1 pending a cleaner Jenkins run, thanks for working on this [~lewuathe]! I think it's
okay to change the error code for things like incorrect help invocations, it's really unlikely
that anyone is depending on that.

> Admin command line should print message to stderr in failure case
> -----------------------------------------------------------------
>
>                 Key: HDFS-11516
>                 URL: https://issues.apache.org/jira/browse/HDFS-11516
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Kai Sasaki
>            Assignee: Kai Sasaki
>            Priority: Minor
>         Attachments: HDFS-11516.01.patch, HDFS-11516.02.patch
>
>
> {{AdminHelper}} and {{CryptAdmin}} where prints message to stdout instead of stderr.
Since other failure cases prints to stderr, it is necessary to consolidate that manner.
> e.g.
> {code}
>       if (args.size() != 1) {
>         System.err.println("You must give exactly one argument to -help.");
>         return 0;
>       }
> {code}



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