Eclipse compilation error: The hierarchy of the type 'Class name' is inconsistent

Question

I have downloaded some open source software written in Java and tried to compile it using Eclipse. I got the error: \"The hierarchy of the type \'Class name\' is inc

Answer 1

I had to switch from Eclipse Oxygen that I got from IBM and used IBM JDK 8 to Eclipse Photon and Oracle JDK 8. I'm working on Java customizations for maximo.