Aptana 3 Ruby Debugger - Exception in Debugthread Loop: Undefined Method 'Is_Binary_Data'

Aptana 3 ruby debugger - Exception in DebugThread loop: undefined method `is_binary_data?'

My ruby version:

ruby 1.9.3p0 (2011-10-30) [i386-mingw32]

My gems list:

...
linecache19 (0.5.13)
ruby-debug-base19 (0.11.26)
ruby-debug-ide19 (0.4.12)
...

In Aptana 3, I got same error.

Exception in DebugThread loop: undefined method `is_binary_data?' for "#<PostsController:0x65a8da8>":String

See ruby-debug-ide19-0.4.12 / xml_printer.rb .

  value_str = "[Binary Data]" if value_str.is_binary_data?
  print("<variable name=\"%s\" kind=\"%s\" value=\"%s\" type=\"%s\" hasChildren=\"%s\" objectId=\"%#+x\"/>",
      CGI.escapeHTML(name), kind, CGI.escapeHTML(value_str), value.class,
      has_children, value.respond_to?(:object_id) ? value.object_id : value.id)

See http://apidock.com/ruby/String/is_binary_data%3F .

String#is_binary_data?

This method is deprecated or moved on the latest stable version. The last existing version (v1_9_1_378) is shown here.

 def is_binary_data?
   ( self.count( "^ -~", "^\r\n" ).fdiv(self.size) > 0.3 || self.index( "\x00" ) ) unless empty?
 end

Add this code to xml_printer.rb (or to your code).

class String
  def is_binary_data?
    ( self.count( "^ -~", "^\r\n" ).fdiv(self.size) > 0.3 || self.index( "\x00" ) ) unless empty?
  end
end

Thank you.

Ruby-debug not working

Make sure you have gem "ruby-debug19", :require => 'ruby-debug' in your Gemfile, then run bundle install :)

Edit: Added the important :require => statement, which I missed before

Why my AptanaStudio3.0 can't debug Rails application?

It turns out that ruby-debug-ide and ruby-debug19 don't play well, something about conflicting name-space issues. To get debugging to work on Aptana3 (my specific version is 3.0.9), is to remove references to ruby-debug19 from you Gemfile and run:

bundle install

to make sure it's also removed from the Gemfile.lock file.

Hope this helps.

debugging a rails app with rubymine

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)

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