Review Request 15836: Fixed the master and slave main.cpp so that bad 'master|zk’ flags do not print a stack trace.

[Jiang Yan Xu]

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https://reviews.apache.org/r/15836/
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Review request for mesos, Benjamin Hindman, Ben Mahler, and Vinod Kone.


Bugs: MESOS-826
    https://issues.apache.org/jira/browse/MESOS-826


Repository: mesos-git


Description
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See summary.


Diffs
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  src/master/main.cpp 60c86b302206c652dd7108cee14c0d92fc0e3e07 
  src/slave/main.cpp e83cd9e2892d1462db0d9110f076c3b81673075d 

Diff: https://reviews.apache.org/r/15836/diff/


Testing
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Manual:

$ ./bin/mesos-slave.sh --master=local
I1125 18:28:09.402698 61542 main.cpp:118] Build: 2013-11-15 08:18:58 by jyx
I1125 18:28:09.402796 61542 main.cpp:120] Creating "process" isolator
Failed to create a master detector: Failed to parse 'local'
$ ./bin/mesos-master.sh --zk=123
I1125 18:28:31.557896 61635 main.cpp:126] Build: 2013-11-15 08:18:58 by jyx
Failed to create a master contender: Failed to parse '123'


Thanks,

Jiang Yan Xu