debugging a rails app with rubymine

Question

I have a Rails app using Ruby 1.8.7 and I'm getting this error when running in debug mode and setting a break point:

54749: Exception in DebugThread loop: undefined method `errmsg' for #<Debugger::ControlState:0x10e3def28>
Backtrace:
/Users/ohad/.rvm/gems/ruby-1.8.7-p371/gems/ruby-debug-0.10.4/cli/ruby-debug/command.rb:188:in `errmsg'
  from: /Users/ohad/.rvm/gems/ruby-1.8.7-p371/gems/ruby-debug-0.10.4/cli/ruby-debug/commands/breakpoints.rb:81:in `execute'
  from: /Users/ohad/.rvm/gems/ruby-1.8.7-p371/gems/ruby-debug-ide-0.4.17.beta16/lib/ruby-debug-ide/ide_processor.rb:89:in `process_commands'
  from: /Users/ohad/.rvm/gems/ruby-1.8.7-p371/gems/ruby-debug-ide-0.4.17.beta16/lib/ruby-debug-ide/ide_processor.rb:86:in `catch'
  from: /Users/ohad/.rvm/gems/ruby-1.8.7-p371/gems/ruby-debug-ide-0.4.17.beta16/lib/ruby-debug-ide/ide_processor.rb:86:in `process_commands'
  from: /Users/ohad/.rvm/gems/ruby-1.8.7-p371/gems/ruby-debug-ide-0.4.17.beta16/lib/ruby-debug-ide.rb:121:in `start_control'
  from: /Users/ohad/.rvm/gems/ruby-1.8.7-p371/gems/ruby-debug-ide-0.4.17.beta16/lib/ruby-debug-ide.rb:103:in `initialize'
  from: /Users/ohad/.rvm/gems/ruby-1.8.7-p371/gems/ruby-debug-ide-0.4.17.beta16/lib/ruby-debug-ide.rb:103:in `new'
  from: /Users/ohad/.rvm/gems/ruby-1.8.7-p371/gems/ruby-debug-ide-0.4.17.beta16/lib/ruby-debug-ide.rb:103:in `start_control'
  from: /Users/ohad/.rvm/gems/ruby-1.8.7-p371/gems/ruby-debug-ide-0.4.17.beta16/lib/ruby-debug-ide.rb:65:in `start_server'
  from: /Users/ohad/.rvm/gems/ruby-1.8.7-p371/gems/ruby-debug-ide-0.4.17.beta16/lib/ruby-debug-ide.rb:69:in `prepare_debugger'
  from: /Users/ohad/.rvm/gems/ruby-1.8.7-p371/gems/ruby-debug-ide-0.4.17.beta16/lib/ruby-debug-ide.rb:83:in `debug_program'
  from: /Users/ohad/.rvm/gems/ruby-1.8.7-p371/gems/ruby-debug-ide-0.4.17.beta16/bin/rdebug-ide:109
  from: -e:1:in `load'
  from: -e:1

I've added ruby-debug to my Gemfile:

group :development do
  gem "inaction_mailer", '0.6', :require => 'inaction_mailer/force_load'
  gem 'ruby-debug', :require => nil
  # gem 'bullet'
  # gem "ruby-growl"
end

Perhaps this could help you: stackoverflow.com/questions/11672201/… — Casper
– Casper, Commented Feb 9, 2013 at 1:17
hi @Casper, thanks for the quick response. I saw that post, and I don't have the debugger gem installed. I have edited in my gemfile on dev group — WebQube
– WebQube, Commented Feb 9, 2013 at 1:24

Community · Accepted Answer · 2017-05-23 11:53:13Z

5

You have ruby-debug gem installed, remove it.

See this answer, only 2 debug gems are needed (versions will be different for Ruby 1.8):

ruby-debug-base (0.10.5.rc3)
ruby-debug-ide (0.4.17.beta16)

edited May 23, 2017 at 11:53

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answered Feb 9, 2013 at 1:52

CrazyCoder

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4 Comments

WebQube Over a year ago

hi, Tried to removed ruby-debug using gem unistall ruby-debug - worked, thanks. The thing is, I need to keep the gemfile with gem ruby-debug for my other team mates who debug using the console. tried requiring only on rubymine in development.rb using require "ruby-debug" unless ENV["RM_INFO"] but failed to work

WebQube Over a year ago

wait, my mistake, I see it's working with the hack require "ruby-debug" unless ENV["RM_INFO"]

CrazyCoder Over a year ago

Try this code, just change the gem name. Conditional require should help with this problem.

Phlip Over a year ago

I ran with ruby-debug stuck in there for weeks. Then I rebuilt my gems & it broke. Tx!

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