I have an EAR which has a WAr and an EJB JAR. EJB jar has 2 ejbs in it one is
the business delegate and another is session facade actually. A web page looks
up the business delegate and invokes a method. Delegate method in turn tries to
look up another EJB ( session facade ) and cast it to the Remote interface. It
gets a class cast exception while casting. I have the ejbClient jar at the EAR
level and its nowhere being used twice. I even tried to print the implemented
interfaces out of the object which ejbHome creates and I see the remote
interface being implemented by the object, even though I get classcast. Here is
the code in BusinessDelegate which invokes session facade :
public boolean manageMerchant( org.apache.struts.action.ActionForm
merchantForm, int actionType )throws Exception
{
// TODO Auto-generated method stub
HVAdminSessionFacadeHome home = ( HVAdminSessionFacadeHome )
ServiceLocator.getInstance().getHome("ejb/HVAdminSessionFacade",
com.hv.interfaces.HVAdminSessionFacadeHome.class);
Object objref = home.create();
System.out.println(objref.getClass().getName());
Class[] interfaces = objref.getClass().getInterfaces();
for (int i = 0; i < interfaces.length; ++i) {
//This prints out HVAdminSessionFacade
System.out.println(interfaces.getName() );
}
try{
//ClassCast happens here
HVAdminSessionFacade adminFacade = (
HVAdminSessionFacade) objref;
adminFacade.manageMerchant( merchantForm,
actionType);
}catch ( Exception ex )
{
ex.printStackTrace();
}
}
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