Did you try something like JRebel? It does allow you to add/change/rename/remove methods and fields, on the fly. I've been using it for some years and it does c

Did you try something like JRebel? It does allow you to add/change/rename/remove methods and fields, on the fly. I've been using it for some years and it does cut on restarts big time. Commercial license (that your employer pays for) is ~$500/year/developer. Or you can try something like https://github.com/HotswapProjects/HotswapAgent https://github.com/HotswapProjects/HotswapAgent, that is a modified JVM that supposedly (I did not try it yet) does the same, and it is open source.