--- a/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/resources/Messages.properties	Wed Jan 07 14:02:30 2015 +0530
+++ b/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/resources/Messages.properties	Mon Jan 12 11:29:42 2015 +0100
@@ -141,6 +141,7 @@
 type.error.extend.ERROR_MULTIPLE_SUPERCLASSES=Can not extend multiple classes {0}. At most one of the specified types can be a class, the rest must all be interfaces.
 type.error.extend.ERROR_NO_COMMON_LOADER=Can not find a common class loader for ScriptObject and {0}.
 type.error.extend.ERROR_FINAL_FINALIZER=Can not extend class because {0} has a final finalize method.
+type.error.extend.ERROR_OTHER=Can not extend/implement {0} because of {1}
 type.error.no.constructor.matches.args=Can not construct {0} with the passed arguments; they do not match any of its constructor signatures.
 type.error.no.method.matches.args=Can not invoke method {0} with the passed arguments; they do not match any of its method signatures.
 type.error.method.not.constructor=Java method {0} cannot be used as a constructor.