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https://issues.apache.org/jira/browse/HADOOP-3151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12605214#action_12605214
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Karam Singh commented on HADOOP-3151:
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Check and found that now hod throws mesages similar as mention by vinod, but
its better if avoid using word invalied e.g -
error message for script file which not executable can be modifed
Invalid script file (--hod.script or -s) : <path to a non-executable file> :
Not an executable. - for script file which not executable
to
Script <path to non executabe file> is not an executable.
Similarly we can change Invalid script file (--hod.script or -s) : <path to a
dir> : Not a file. to "Script <path to dir> is not a file. etc.
> Hod should have better error messages.
> --------------------------------------
>
> Key: HADOOP-3151
> URL: https://issues.apache.org/jira/browse/HADOOP-3151
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/hod
> Affects Versions: 0.16.3
> Reporter: Arkady Borkovsky
> Assignee: Vinod Kumar Vavilapalli
> Fix For: 0.18.0
>
> Attachments: HADOOP-3151
>
>
> (1)
> gsgw1037:/homes/arkady/CDSR> hod allocate -n 4 -d xx
> error: bin/hod failed to start.
> error: invalid 'clusterdir' specified in section hod (--hod.clusterdir): xx
> error: 1 problem found.
> Check your command line options and/or your configuration file
> /grid/0/kryptonite/hod/conf/hodrc
> * Directory 'xx' does not exist - the message shuold say "Non-existing
> directory" (or "directory not found"), not "invalid"
> * checking the configuration file will not help, the advice is confusing
> * checking the command line options is the obvious thing to do -- the
> advise is unnecessary.
> (2) when hod does not understand the command, it prints the whole help
> options message -- which clobbers the screen and is confusing. It should give
> a meaningful message -- and may say "type hod help for more info"
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