[weld-issues] [JBoss JIRA] Created: (WELD-381) Proxied EJBs as Injection point, wrong interface chosen

[John Ament (JIRA)]

Proxied EJBs as Injection point, wrong interface chosen
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                 Key: WELD-381
                 URL: https://jira.jboss.org/jira/browse/WELD-381
             Project: Weld
          Issue Type: Bug
          Components: Resolution (Typesafe and by Name)
    Affects Versions: 1.0.0.GA
         Environment: GF v3, JDK 1.6, Windows
            Reporter: John Ament


Based on the forum post, The following EJB cannot be injected into clients:

@DAO
@Local(ResultDAOBean.class)
@Stateless
public ResultDAO extends AbstractDAO<Result> implements ResultDAOBean

Happens the same with/without @Local

The problem comes in when AbstractDAO implements something (e.g. AbstractDAOBean<E>) or ResultDAOBean extends an interfacet (e.g.AbstractDAOBean<E>).  The interface AbstractDAOBean isn't marked as an EJB itnerface, and only one of these two would implement/extend it (ideally, ResultDAOBean).

The injection point results in the following exception:

Caused by: java.lang.IllegalStateException: Unable to convert ejbRef for ejb ResultDAO to a business object of type interface AbstractDAOBean
        at com.sun.ejb.containers.EjbContainerServicesImpl.getBusinessObject(EjbContainerServicesImpl.java:104)
        at org.glassfish.weld.ejb.SessionObjectReferenceImpl.getBusinessObject(SessionObjectReferenceImpl.java:60)
        at org.jboss.weld.bean.proxy.EnterpriseBeanProxyMethodHandler.invoke(EnterpriseBeanProxyMethodHandler.java:121)
        at jpa.dao.EvaluationDAOBean_$$_javassist_110.getEM(EvaluationDAOBean_$$_javassist_110.java)
        at NewSessionBean.init(NewSessionBean.java:30)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at com.sun.ejb.containers.interceptors.BeanCallbackInterceptor.intercept(InterceptorManager.java:1006)
        at com.sun.ejb.containers.interceptors.CallbackChainImpl.invokeNext(CallbackChainImpl.java:61)
        at com.sun.ejb.containers.interceptors.CallbackInvocationContext.proceed(CallbackInvocationContext.java:109)
        at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.doCallback(SystemInterceptorProxy.java:133)
        at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.init(SystemInterceptorProxy.java:115)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at com.sun.ejb.containers.interceptors.CallbackInterceptor.intercept(InterceptorManager.java:961)
        at com.sun.ejb.containers.interceptors.CallbackChainImpl.invokeNext(CallbackChainImpl.java:61)
        at com.sun.ejb.containers.interceptors.InterceptorManager.intercept(InterceptorManager.java:390)
        at com.sun.ejb.containers.interceptors.InterceptorManager.intercept(InterceptorManager.java:373)
        at com.sun.ejb.containers.AbstractSingletonContainer.createSingletonEJB(AbstractSingletonContainer.java:518)
        ... 38 more

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