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https://issues.apache.org/jira/browse/HADOOP-10816?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Yoder updated HADOOP-10816:
--------------------------------

       Fix Version/s: 3.0.0
    Target Version/s: 3.0.0
              Status: Patch Available  (was: Open)

Patch available: changes return value, added javadoc, changes test code to 
match.

> key shell returns -1 to the shell on error, should be 1
> -------------------------------------------------------
>
>                 Key: HADOOP-10816
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10816
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 3.0.0
>            Reporter: Mike Yoder
>            Assignee: Mike Yoder
>             Fix For: 3.0.0
>
>         Attachments: HADOOP-10816.001.patch
>
>
> I've seen this in several places now - commands returning -1 on failure to 
> the shell. It's a bug. Someone confused their posix style returns (0 on 
> success, < 0 on failure) with program returns, which are an unsigned 
> character. Thus, a return of -1 actually becomes 255 to the shell.
> {noformat}
> $ hadoop key create happykey2 --provider kms://http@localhost:16000/kms 
> --attr "a=a" --attr "a=b"
> Each attribute must correspond to only one value:
> atttribute "a" was repeated
> ...
> $ echo $?
> 255
> {noformat}
> A return value of 1 instead of -1 does the right thing.



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