Why is Eclipse Juno 4.2 running “JPA Java Change Event Handler” processes?

Question

I have just upgraded to Eclipse Juno 4.2. I have a completely clean new workspace, but have imported projects that have previously been used in Eclipse 3.7 and therefore have so

Answer 1

I found (in Eclipse Neon where this still occurs) that removing all the groups in the JPA Validator worked well. Click on the box to the right of JPA Validator and remove all the included groups: