How to debug ruby on rails in eclipse aptana plugin

Question

I\'m trying to figure out this eclipse aptana plugin (coming from a visual studio background). When I try to debug my project as follows:

Answer 1

I'm also having this problem on 64-bit Ubuntu. Not only can I not debug, now when I open the IDE it gives strange UI errors. The package explorer won't display and dialogs keep popping up.

Here's the listing I get from my Rails install

Installing RDoc documentation for ruby-debug-ide-0.4.16...
mel@ubuntu:/usr/share/eclipse/features$ gem list

*** LOCAL GEMS ***

cgi_multipart_eof_fix (2.5.0)
daemons (1.1.4)
fastthread (1.0.7)
gem_plugin (0.2.3)
linecache (0.46)
mongrel (1.1.5)
rake (0.9.2)
rbx-require-relative (0.0.5)
ruby-debug-base (0.10.4)
ruby-debug-ide (0.4.16)
ruby-mysql (2.9.4)

mel@ubuntu:/usr/share/eclipse/features$ gem environment
RubyGems Environment:
  - RUBYGEMS VERSION: 1.3.7
  - RUBY VERSION: 1.8.7 (2010-08-16 patchlevel 302) [x86_64-linux]
  - INSTALLATION DIRECTORY: /var/lib/gems/1.8
  - RUBY EXECUTABLE: /usr/bin/ruby1.8
  - EXECUTABLE DIRECTORY: /var/lib/gems/1.8/bin
  - RUBYGEMS PLATFORMS:
    - ruby
    - x86_64-linux
  - GEM PATHS:
     - /var/lib/gems/1.8
     - /home/mel/.gem/ruby/1.8
  - GEM CONFIGURATION:
     - :update_sources => true
     - :verbose => true
     - :benchmark => false
     - :backtrace => false
     - :bulk_threshold => 1000
  - REMOTE SOURCES:
     - http://rubygems.org/