style.css not detected but present, jruby 1.9

[haknaton]

C:\Users\Jean-Christophe\Desktop\stats>code_stats MyProject c:/jruby-1.6.5/lib/ruby/gems/1.8/gems/ruby_ext-0.5.10/lib/ruby_ext/core/must.rb: 140 warning: instance_exec' should not be aliased c:/jruby-1.6.5/lib/ruby/gems/1.8/gems/ruby_ext-0.5.10/lib/ruby_ext/core/must.rb: 140 warning:instance_eval' should not be aliased c:/jruby-1.6.5/lib/ruby/gems/1.8/gems/ruby_ext-0.5.10/lib/ruby_ext/core/must.rb: 155 warning: instance_exec' should not be aliased c:/jruby-1.6.5/lib/ruby/gems/1.8/gems/ruby_ext-0.5.10/lib/ruby_ext/core/must.rb: 155 warning:instance_eval' should not be aliased please wait, analyzing following projects:

Vfs::Error: file ./c:/jruby-1.6.5/lib/ruby/gems/1.8/gems/code_stats2-0.1.8/lib/code_stats/report/style.css not exist! read at c:/jruby-1.6.5/lib/ruby/gems/1.8/gems/vfs-0.4.8/lib/vfs/entries/file.rb:33