I am writing a very simple RMI server, and I am seeing intermittent java.rmi.NoSuchObjectExceptions in the unit tests.
I have a string of remote method
It's difficult to answer this question without looking at the code (which I guess will be big enough to not be publishable here). However, using Occam's razor, you have two possibilies
I would suggest you go over the code paths carefully keeping the two points above in mind.