I have am deploying 2 EARs onto JBoss AS 7.1.0.Alpha1-SNAPSHOT (post 7.0.1.Final version). Both deploy fine.

I have an EJB Singleton class packaged within a JAR, within one of the EARs: 

@Startup
@Singleton
// one of @Local(Store.class), @Remote(Store.class), @LocalBean
@TransactionAttribute(TransactionAttributeType.NOT_SUPPORTED)
@Transactional(TransactionPropagation.SUPPORTS)
public class StoreFront implements Store {
...


public interface Store {
...

When it deploys, it says the EJB is bound to:

"java:app/store-core-2011.1.2-SNAPSHOT/StoreFront"
"java:app/store-core-2011.1.2-SNAPSHOT/StoreFront!uk.co.magus.jam.store.core.Store"
"java:module/StoreFront"
"java:module/StoreFront!uk.co.magus.jam.store.core.Store"
"java:global/store-ear-2011.1.2-SNAPSHOT/store-core-2011.1.2-SNAPSHOT/StoreFront!uk.co.magus.jam.store.core.Store"
"java:global/store-ear-2011.1.2-SNAPSHOT/store-core-2011.1.2-SNAPSHOT/StoreFront"

So far, so good. When I try to look it up via JNDI from a non-CDI, non-EJB class within a JAR within the OTHER deployed EAR, it can only be found on the JNDI names under 'global' - again, expected.

However, when I try to cast the resulting object to the actual interface class:

Object lookupObject = new InitialContext().lookup(jndiName);
Store store = (StoreFront)lookupObject;

I get the following exception:

11:17:52,402 ERROR [jam.core.link.LinkListener] (Thread-45) Exception when casting to Store after lookup with [java:global/store-ear-2011.1.2-SNAPSHOT/store-core-2011.1.2-SNAPSHOT/StoreFront]: java.lang.ClassCastException: jam.store.core.Store$$$view1 cannot be cast to jam.store.core.Store
    at jam.core.link.LinkListener.getStore(LinkListener.java:108) [core-jar-2011.1.2-SNAPSHOT.jar:]
    at jam.core.link.LinkListener.postLoad(LinkListener.java:27) [core-jar-2011.1.2-SNAPSHOT.jar:]
    at sun.reflect.NativeMethodAccessorImp
java ejb jndi classcastexception jboss7.x
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