hi, It seems like both mex-xxx.jar and mex-xxx.mar files have the same content.
Since mex-xxx.jar file contains a module.xml file it tries to deploy as a module when the server starts up. I think we need to remove module.xml part from the jar file. thanks, Amila. -- Amila Suriarachchi WSO2 Inc. blog: http://amilachinthaka.blogspot.com/