As shown from ejbthree1154 Test Client:

Caused by: java.lang.RuntimeException: Non matching type for inject of field: private org.jboss.ejb3.test.ejbthree1154.TestLocalBusiness org.jboss.ejb3.test.ejbthree1154.DelegateBean.localBusiness for type: $Proxy100 of jndiName env/org.jboss.ejb3.test.ejbthree1154.DelegateBean/localBusiness
intfs: , org.jboss.ejb3.proxy.JBossProxy, org.jboss.ejb3.test.ejbthree1154.TestRemoteBusiness
at org.jboss.injection.JndiFieldInjector.inject(JndiFieldInjector.java:117)
at org.jboss.injection.JndiFieldInjector.inject(JndiFieldInjector.java:95)
at org.jboss.injection.JndiFieldInjector.inject(JndiFieldInjector.java:63)
at org.jboss.ejb3.pool.AbstractPool.create(AbstractPool.java:104)
at org.jboss.ejb3.InfinitePool.get(InfinitePool.java:56)
at org.jboss.ejb3.InfinitePool.get(InfinitePool.java:51)
at org.jboss.ejb3.pool.ThreadlocalPool.create(ThreadlocalPool.java:53)
at org.jboss.ejb3.pool.ThreadlocalPool.get(ThreadlocalPool.java:93)
at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:58)