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I have ruby on rails legacy application and I have the following error when I run the application 

/usr/local/lib/ruby/gems/1.9.1/gems/linecache19-0.5.12/lib/trace_nums19.so: undefined symbol: ruby_current_thread - /usr/local/lib/ruby/gems/1.9.1/gems/linecache19-0.5.12/lib/trace_nums19.so (LoadError)
  /usr/local/lib/ruby/gems/1.9.1/gems/linecache19-0.5.12/lib/tracelines19.rb:12:in `require'
  /usr/local/lib/ruby/gems/1.9.1/gems/linecache19-0.5.12/lib/tracelines19.rb:12:in `rescue in <module:TraceLineNumbers>'

Full error can be found Here

Could anyone help me spot the problem?

Pavan K
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  • Possibly related: http://stackoverflow.com/questions/8378277/cannot-use-ruby-debug19-with-1-9-3-p0 – Damien Roche Jul 27 '16 at 10:56
  • I appreciate the effort to relate to possible duplicates. I am looking for a solution I already stumbled upon them and they did not work. @DamienRoche The link to ruby source is dead in that post. – Pavan K Jul 27 '16 at 11:16
  • @j-dexx Sorry but that didn't solve my problem. I posted my solution below thanks anyway – Pavan K Jul 27 '16 at 11:20

1 Answers1

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linecache has a patched gem to work with ruby-debug

add this to your Gemfile 

gem 'linecache19-patched' instead of 
gem  'linecache19'
Pavan K
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