The hat tool is removed from the sources because of license concerns. These concerns have been eliminated upstream: http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=143 So the classes under openjdk/jdk/src/share/classes/com/sun/tools/hat/ should not be removed in generate-fedora-zip.sh script.
will be in the next release
java-1.6.0-openjdk-1.6.0.0-0.12.b09.fc9 has been submitted as an update for Fedora 9
java-1.6.0-openjdk-1.6.0.0-0.12.b09.fc9 has been pushed to the Fedora 9 stable repository. If problems still persist, please make note of it in this bug report.