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

set eclipse_dir=D:\eclipse\release

mkdir %eclipse_dir%\disabled
mkdir %eclipse_dir%\disabled\features 
mkdir %eclipse_dir%\disabled\plugins

move %eclipse_dir%\plugins\org.eclipse.jpt.* disabled\plugins

for /f %%i in ('dir features\org.eclipse.jpt.*" /ad /b') do (
    move features\%%i" "%eclipse_dir%\disabled\features\%%i"
)