Hi Jenny
I guess issue is somewhere in adapter module project that you are deploying.
Check this below link, similar error is discussed in this. Might help you.
Issue on developing Adapter Module
Incompatible with interface - Exception in Adapter Module
getting "java.lang.ClassCastException" while calling EJB adapter module
Also check the following documents.
How to Create Modules for the JEE Adapter Engine
Dynamic EOIO Queue Derivation with Adapter Modules
Setting Queue Dynamically using Adapter Module
Regards
Osman