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ruby-debug-ide: NoMethodError "undefined method signal for nil" when running on Ruby 3.2.5, Rails 7.0.8.6, Passenger #244
Description
Hi I am running RubyMine 2025.1 with the ruby-debug-ide and debase gems at 3.0.3 - my Rails app is running on ruby 3.2.5, Rails 7. Bundler is in place, and we use Passenger to serve the app. Why am I getting this issue below?
App 91170 output: INTERNAL ERROR!!! NoMethodError: undefined method signal' for nil:NilClass at /Users/laith.abdel/.asdf/installs/ruby/3.2.5/lib/ruby/gems/3.2.0/gems/ruby-debug-ide-3.0.3/lib/ruby-debug-ide.rb:142:in block in run_prog_script'
App 91170 output: /Users/laith.abdel/.asdf/installs/ruby/3.2.5/lib/ruby/gems/3.2.0/gems/ruby-debug-ide-3.0.3/lib/ruby-debug-ide.rb:141:in synchronize'
App 91170 output: /Users/laith.abdel/.asdf/installs/ruby/3.2.5/lib/ruby/gems/3.2.0/gems/ruby-debug-ide-3.0.3/lib/ruby-debug-ide.rb:141:in run_prog_script'
App 91170 output: /Users/laith.abdel/.asdf/installs/ruby/3.2.5/lib/ruby/gems/3.2.0/gems/ruby-debug-ide-3.0.3/lib/ruby-debug-ide/commands/control.rb:84:in execute'
App 91170 output: /Users/laith.abdel/.asdf/installs/ruby/3.2.5/lib/ruby/gems/3.2.0/gems/ruby-debug-ide-3.0.3/lib/ruby-debug-ide/ide_processor.rb:98:in block in process_commands'
App 91170 output: /Users/laith.abdel/.asdf/installs/ruby/3.2.5/lib/ruby/gems/3.2.0/gems/ruby-debug-ide-3.0.3/lib/ruby-debug-ide/ide_processor.rb:95:in catch'
App 91170 output: /Users/laith.abdel/.asdf/installs/ruby/3.2.5/lib/ruby/gems/3.2.0/gems/ruby-debug-ide-3.0.3/lib/ruby-debug-ide/ide_processor.rb:95:in process_commands'
App 91170 output: /Users/laith.abdel/.asdf/installs/ruby/3.2.5/lib/ruby/gems/3.2.0/gems/ruby-debug-ide-3.0.3/lib/ruby-debug-ide.rb:170:in block in start_control'
App 91170 output: /Users/laith.abdel/.asdf/installs/ruby/3.2.5/lib/ruby/gems/3.2.0/gems/logging-2.3.1/lib/logging/diagnostic_context.rb:474:in block in create_with_logging_context'
Activity
hurricup commentedon Mar 9, 2025
Please, report this in the rubymine youtrack: https://youtrack.jetbrains.com/issues/RUBY
This repo is for 0.x.x versions of debugger: simple, slow and compatible with the wide range of rubies.
jovan-appfolio commentedon Jan 15, 2026
@laith-abdel I reported the same issue a little while back:
https://youtrack.jetbrains.com/issue/RUBY-34124