a.patch

diff --git a/core/src/main/ruby/jruby/kernel/kernel.rb b/core/src/main/ruby/jruby/kernel/kernel.rb
index b4dd5e13..0181580 100644
--- a/core/src/main/ruby/jruby/kernel/kernel.rb
+++ b/core/src/main/ruby/jruby/kernel/kernel.rb
@@ -11,6 +11,8 @@ module Kernel
     absolute_feature = File.expand_path(relative_arg, File.dirname(File.realpath(file)))
 
     require absolute_feature
+  rescue Errno::ENOENT
+    require File.join(File.dirname(file), relative_arg)
   end
 
   def exec(*args)