[HBASE-10495] upgrade script is printing usage two times with help option.

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.96.0
• Fix Version/s: 0.96.2, 0.98.1, 0.99.0
• Component/s: Usability
• Hadoop Flags: Reviewed
• Assignee: rajeshbabu
• Reporter: rajeshbabu
• Created: 11/Feb/14 07:20
• Updated: 21/Feb/15 23:31
• Resolved: 12/Feb/14 02:14

Description

while testing 0.98 RC found usage is printing two times with help option.

HOST-10-18-91-14:/home/rajeshbabu/98RC3/hbase-0.98.0-hadoop2/bin # ./hbase upgrade -h
usage: $bin/hbase upgrade -check [-dir DIR]|-execute
 -check       Run upgrade check; looks for HFileV1  under ${hbase.rootdir}
              or provided 'dir' directory.
 -dir <arg>   Relative path of dir to check for HFileV1s.
 -execute     Run upgrade; zk and hdfs must be up, hbase down
 -h,--help    Help
Read http://hbase.apache.org/book.html#upgrade0.96 before attempting upgrade

Example usage:

Run upgrade check; looks for HFileV1s under ${hbase.rootdir}:
 $ bin/hbase upgrade -check

Run the upgrade:
 $ bin/hbase upgrade -execute
usage: $bin/hbase upgrade -check [-dir DIR]|-execute
 -check       Run upgrade check; looks for HFileV1  under ${hbase.rootdir}
              or provided 'dir' directory.
 -dir <arg>   Relative path of dir to check for HFileV1s.
 -execute     Run upgrade; zk and hdfs must be up, hbase down
 -h,--help    Help
Read http://hbase.apache.org/book.html#upgrade0.96 before attempting upgrade

Example usage:

Run upgrade check; looks for HFileV1s under ${hbase.rootdir}:
 $ bin/hbase upgrade -check

Run the upgrade:
 $ bin/hbase upgrade -execute