> simply by not publishing or not licensing future versions of the TCK Yup, already happening. Implement a JVM and open source it and try to ask for a TCK. The

> simply by not publishing or not licensing future versions of the TCK Yup, already happening. Implement a JVM and open source it and try to ask for a TCK. They don't allow non-openjdk-derivative open source JVM implementations to license the TCK. So one could argue the worst thing that they (and Sun) do is to disallow a competing open source version w/ the same test cases.