yui-compressor could definitely prints out some message whether or not the js is valid or not. But fundamentally it should not throw an error like this, at least it should catch it's own exception. gcc catch it's own ICE and report them nicely. __ This is the maintainer address of Debian's Java team <http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-java-maintainers>. Please use debian-j...@lists.debian.org for discussions and questions.