Hi guys,

I hava an EJB project and I separated it into two components: service.jar 
(which contains only interfaces) and service-impl.jar (which contains 
implementation of those interfaces).

At service.jar I've a ordinary interface. At service-impl.jar I've an local 
interface (@Local), remote interface (@Remote) and a bean (@Stateless).

All those compoments are packaged into a ear file.

The problem is that in one of my stateless, when injecting an EntityManager 
object, the following error occurs:


  | # Caused by: java.lang.RuntimeException: Non matching type for inject of 
field: private javax.persistence.EntityManager 
br.unicamp.hc.caa.ejb.eao.PeriodoCadastralEAOBean.entityManager for type: 
org.jboss.ejb3.entity.InjectedEntityManagerFactory of jndiName 
env/br.unicamp.hc.caa.ejb.eao.PeriodoCadastralEAOBean/entityManager  
  | # intfs: , javax.persistence.EntityManagerFactory, java.io.Externalizable  
  | #         at 
org.jboss.injection.JndiFieldInjector.inject(JndiFieldInjector.java:127)  
  | #         at 
org.jboss.injection.JndiFieldInjector.inject(JndiFieldInjector.java:105)  
  | #         at 
org.jboss.injection.JndiFieldInjector.inject(JndiFieldInjector.java:62)  
  | #         at org.jboss.ejb3.AbstractPool.create(AbstractPool.java:111)  
  | #         at org.jboss.ejb3.ThreadlocalPool.get(ThreadlocalPool.java:61)  
  | #         at 
org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:54)
  
  | #         at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)  
  | #         at 
org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)
  
  | #         at 
org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:106)
  
  | #         at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)  
  | #         at 
org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)
  
  | #         at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)  
  | #         at 
org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
  
  | #         at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)  
  | #         at 
org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:214)
  
  | #         at 
org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:184)
  
  | #         at 
org.jboss.ejb3.stateless.StatelessLocalProxy.invoke(StatelessLocalProxy.java:81)
  
  | #         at $Proxy124.findUltimoPeriodoCadastral(Unknown Source)  
  | #         at 
br.unicamp.hc.caa.ejb.facade.PeriodoCadastralFacadeBean.findUltimoPeriodoCadastral(Unknown
 Source)  
  | #         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  
  | #         at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:  
  | # 09:56:32,011 ERROR [STDERR] 39)  
  | #         at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  
  | #         at java.lang.reflect.Method.invoke(Method.java:597)  
  | #         at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)  
  | #         at 
org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
  
  | #         at 
org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)
  
  | #         at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)  
  | #         at 
org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)
  
  | #         at 
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)  
  | #         at 
org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
  
  | # Caused by: java.lang.IllegalArgumentException: Can not set 
javax.persistence.EntityManager field 
br.unicamp.hc.caa.ejb.eao.PeriodoCadastralEAOBean.entityManager to 
org.jboss.ejb3.entity.InjectedEntityManagerFactory
  | 

This error occurs only when I call stateless session bean. Deployment is fine.

Does anybody know what's going on?

Thanks in advance
LISS 

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