Major Description
Even though the help says both 'd' and '-debug' are allowed, the shell fails if you use the long form.
busbey2-MBA:hbase busbey$ bin/hbase shell --help
Usage: shell [OPTIONS] [SCRIPTFILE [ARGUMENTS]]
--format=OPTION Formatter for outputting results.
Valid options are: console, html.
(Default: console)
-d | --debug Set DEBUG log levels.
-h | --help This help.
busbey2-MBA:hbase busbey$ bin/hbase shell --debug
Setting DEBUG log level...
HBase Shell; enter 'help<RETURN>' for list of supported commands.
Type "exit<RETURN>" to leave the HBase Shell
Version 2.0.0-SNAPSHOT, r4d005b70a0fda4be5a8ead84ff5f54fceb3c637a, Mon Aug 4 14:17:22 CDT 2014
IRB::UnrecognizedSwitch: Unrecognized switch: --debug
Raise at file:/Users/busbey/.m2/repository/org/jruby/jruby-complete/1.6.8/jruby-complete-1.6.8.jar!/META-INF/jruby.home/lib/ruby/1.8/e2mmap.rb:167
fail at file:/Users/busbey/.m2/repository/org/jruby/jruby-complete/1.6.8/jruby-complete-1.6.8.jar!/META-INF/jruby.home/lib/ruby/1.8/e2mmap.rb:95
parse_opts at file:/Users/busbey/.m2/repository/org/jruby/jruby-complete/1.6.8/jruby-complete-1.6.8.jar!/META-INF/jruby.home/lib/ruby/1.8/irb/init.rb:194
setup at file:/Users/busbey/.m2/repository/org/jruby/jruby-complete/1.6.8/jruby-complete-1.6.8.jar!/META-INF/jruby.home/lib/ruby/1.8/irb/init.rb:19
start at /Users/busbey/projects/hbase/bin/../bin/hirb.rb:170
(root) at /Users/busbey/projects/hbase/bin/../bin/hirb.rb:190
busbey2-MBA:hbase busbey$ bin/hbase shell -d
Setting DEBUG log level...
HBase Shell; enter 'help<RETURN>' for list of supported commands.
Type "exit<RETURN>" to leave the HBase Shell
Version 2.0.0-SNAPSHOT, r4d005b70a0fda4be5a8ead84ff5f54fceb3c637a, Mon Aug 4 14:17:22 CDT 2014
jruby-1.7.3 :001 > quit
busbey2-MBA:hbase busbey$
The problem is that we're sending the debug flag through to the IRB initialization as is, and it only recognizes the '-d' form.