Hod should have better error messages.
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Key: HADOOP-3151
URL: https://issues.apache.org/jira/browse/HADOOP-3151
Project: Hadoop Core
Issue Type: Bug
Components: contrib/hod
Reporter: Arkady Borkovsky
(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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