I upgraded recently to the new Eclipse version (Oxygen). I downloaded the lombok.jar from the website and installed it. This is how the eclipse.ini
looks like a
Quite a few solutions, none solved my problem.
Eclipse Oxygen 3a April 2018 the installer works fine,
My issue was running eclipse on a DCEVM JRE. Pointing Eclipse to a non-modified JVM resolved this problem.
Same issue I have faced in eclipse. Installation was successful but I was seeing errors in my code. A simple maven update resolved this issue. In eclipse it is Alt+F5.