On JRuby, browser's binary detection according to platform does'nt work.

Here is a patch to lib/firewatir/firefox.rb to support JRuby on any platform :

— gems/firewatir-1.6.2/lib/firewatir/firefox.rb 2009-02-05 12:26:00.000000000 +0100
+++ gems/firewatir-1.6.2/lib/firewatir/firefox.rb 2009-02-05 14:33:42.000000000 +0100
@@ -133,8 +133,12 @@

waitTime = options[:waitTime] || 2

• case RUBY_PLATFORM
• when /mswin/
  + platform = RUBY_PLATFORM
  + if platform.start_with?("java")
  + platform = java.lang.System.getProperty("os.name")
  + end
  + case platform
  + when /mswin|windows/i

1. Get the path to Firefox.exe using Registry.
   require 'win32/registry.rb'
   path_to_bin = ""
   @@ -150,10 +154,8 @@

when /linux/i
path_to_bin = `which firefox`.strip

• when /darwin/i
  + when /darwin|mac os/i
  path_to_bin = '/Applications/Firefox.app/Contents/MacOS/firefox'
• when /java/
• raise "Not implemented: Create a browser finder in JRuby"
  end
  @t = Thread.new
  Unknown macro: { system("#{path_to_bin} -jssh #{profile_opt}")}
  
  sleep waitTime