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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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Andrew Wang updated HADOOP-10816:
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Summary: KeyShell returns -1 on error to the shell, should be 1 (was: key
shell returns -1 to the shell on error, should be 1)
> KeyShell returns -1 on error to the shell, 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, HADOOP-10816.002.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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