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
follow below steps to fix lombok issue in eclipse
After this you will able to see these below lines in eclipse.ini file
-javaagent:locaton of lombok.jar
-Xbootclasspath/a:lombok.jar
Note - if any line missing after follow these steps then add into your eclipse.ini and enjoy ur work.