Creating Module in PI 7.1 (PROBLEM)

Hi all, i'm having a problem that i could't resolved.
I want to made a Module ti use in PI 7.1, but i always get the error:
Error: java.lang.ClassCastException:
class $Proxy3112:com.sap/AdapterModuleTlog_EAR @ com.sap.engine.boot.loader.ResourceMultiParentClassLoader @ 25c248d5 @ alive incompatible with interface com.sap.aii.af.lib.mp.module.ModuleLocal:library:com.sap.aii.af.lib @ com.sap.engine.boot.loader.ResourceMultiParentClassLoader @ 7de534cb @ alive
I do not know what could be, i change the imports for the "ejb-jar.xml"
     <enterprise-beans>
          <session>
               <icon/>
               <ejb-name>AdapterModuleTlogBean</ejb-name>
               <home>com.sap.aii.af.lib.mp.module.ModuleHome</home>
               <remote>com.sap.aii.af.lib.mp.module.ModuleRemote</remote>
               <local-home>com.sap.aii.af.lib.mp.module.ModuleLocalHome</local-home>
               <local>com.sap.aii.af.lib.mp.module.ModuleLocal</local>
               <ejb-class>com.sap.adaptermodule.tlog.AdapterModuleTlogBeanBean</ejb-class>
               <session-type>Stateless</session-type>
               <transaction-type>Container</transaction-type>
          </session>
     </enterprise-beans>
But i still having problem.
Anyone know what could be?
Regards,
Sebastian

Hi,
See if this link helps ,please check if the refrences are added properly while creating the Ear file.
Module Processor : Module exception java.lang.ClassCastException
Regards,
srinivas

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