# File lib/buildr/java/commands.rb, line 201
      def path_to_bin(name = nil)
        home = ENV['JAVA_HOME'] or fail 'Are we forgetting something? JAVA_HOME not set.'
        bin = Util.normalize_path(File.join(home, 'bin'))
        fail 'JAVA_HOME environment variable does not point to a valid JRE/JDK installation.' unless File.exist? bin
        Util.normalize_path(File.join(bin, name.to_s))
      end