Hi Manish I think you tried to add java action in mendix but something wrong project then this error show, so you not need java action in your project, so you can go your project tap click on them and click on clean deployment directory
once your problem is solved, yoy can click right on my ans.
reagrds
Dnyaneshwar
The stacktrace shows a compilation problem in the database replication module, available from the marketplace. Did you try downloading the latest version of that module?