[jboss-jira] [JBoss JIRA] Created: (JBAS-8345) Cannot @Inject an EJB into another EJB (works fine injecting into CDI beans.)

Lincoln Baxter III (JIRA) jira-events at lists.jboss.org
Mon Aug 16 11:42:12 EDT 2010


Cannot @Inject an EJB into another EJB (works fine injecting into CDI beans.)
-----------------------------------------------------------------------------

                 Key: JBAS-8345
                 URL: https://jira.jboss.org/browse/JBAS-8345
             Project: JBoss Application Server
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: Weld/CDI
    Affects Versions: 6.0.0.M4
         Environment: Linux 32bit, Java 6
            Reporter: Lincoln Baxter III
            Assignee: Marius Bogoevici
         Attachments: ejb-inject-test.tar.gz

See attached Maven Arquillian Test Project:

Test and results also pasted below.

Workaround in UserService: Changing the @Inject FeedService fs; annotation to @EJB FeedService fs; causes injection to occur, but not through CDI.

Thanks.
------------------------------------------------------
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import javax.inject.Inject;

import org.jboss.arquillian.api.Deployment;
import org.jboss.arquillian.api.Run;
import org.jboss.arquillian.api.RunModeType;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.shrinkwrap.api.ArchivePaths;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.spec.JavaArchive;
import org.junit.Test;
import org.junit.runner.RunWith;

/**
 * @author <a href="mailto:lincolnbaxter at gmail.com">Lincoln Baxter, III</a>
 */
@RunWith(Arquillian.class)
@Run(RunModeType.IN_CONTAINER)
public class UserServiceTest
{

   @Deployment
   public static JavaArchive createTestArchive()
   {
      return ShrinkWrap.create(JavaArchive.class, "test.jar")
               .addPackage(UserService.class.getPackage())
               .addPackage(FeedService.class.getPackage())
               .addManifestResource("test-beans.xml", ArchivePaths.create("beans.xml"))
               .addManifestResource("test-persistence.xml", ArchivePaths.create("persistence.xml"));
   }

   @Inject
   private UserService us;
   @Inject
   private FeedService fs;

   @Test
   public void testCanInvokedInjectedEJB() throws Exception
   {
      assertFalse(fs.isInvoked());
      us.invokeUsers();
      assertTrue(fs.isInvoked());
   }

}



package org.jboss;

import java.io.Serializable;

import javax.ejb.Stateful;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.PersistenceContextType;

@Stateful
public class UserService implements Serializable
{
   private static final long serialVersionUID = 2988513095024795683L;

   @PersistenceContext(type = PersistenceContextType.EXTENDED)
   private EntityManager em;

   @Inject
   private FeedService fs;

   protected EntityManager getEntityManager()
   {
      return em;
   }

   public void invokeUsers()
   {
      fs.invokeFeeds();
   }

}



package org.jboss;

import javax.ejb.Stateful;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.PersistenceContextType;

@Stateful
public class FeedService
{
   private static final long serialVersionUID = 5716926734835352145L;

   @PersistenceContext(type = PersistenceContextType.EXTENDED)
   private EntityManager entityManager;

   private boolean invoked;

   protected EntityManager getEntityManager()
   {
      return entityManager;
   }

   public void invokeFeeds()
   {
      this.invoked = true;
      System.out.println("invoked");
   }

   public boolean isInvoked()
   {
      return invoked;
   }
}





-------------------------------------------------------------------------------
Test set: org.jboss.UserServiceTest
-------------------------------------------------------------------------------
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 5.991 sec <<< FAILURE!
testCanInvokedInjectedEJB(org.jboss.UserServiceTest)  Time elapsed: 0.637 sec  <<< ERROR!
javax.ejb.EJBException: java.lang.NullPointerException
	at org.jboss.ejb3.tx2.impl.CMTTxInterceptor.handleExceptionInOurTx(CMTTxInterceptor.java:183)
	at org.jboss.ejb3.tx2.impl.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:251)
	at org.jboss.ejb3.tx2.impl.CMTTxInterceptor.required(CMTTxInterceptor.java:349)
	at org.jboss.ejb3.tx2.impl.CMTTxInterceptor.invoke(CMTTxInterceptor.java:209)
	at org.jboss.ejb3.tx2.aop.CMTTxInterceptorWrapper.invoke(CMTTxInterceptorWrapper.java:52)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.ejb3.tx.NullInterceptor.invoke(NullInterceptor.java:42)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.ejb3.security.Ejb3AuthenticationInterceptorv2.invoke(Ejb3AuthenticationInterceptorv2.java:186)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:41)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.ejb3.BlockContainerShutdownInterceptor.invoke(BlockContainerShutdownInterceptor.java:67)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.ejb3.core.context.CurrentInvocationContextInterceptor.invoke(CurrentInvocationContextInterceptor.java:47)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.aspects.currentinvocation.CurrentInvocationInterceptor.invoke(CurrentInvocationInterceptor.java:67)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.ejb3.interceptor.EJB3TCCLInterceptor.invoke(EJB3TCCLInterceptor.java:86)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.ejb3.session.SessionSpecContainer.invoke(SessionSpecContainer.java:227)
	at org.jboss.ejb3.session.SessionSpecContainer.invoke(SessionSpecContainer.java:142)
	at org.jboss.ejb3.nointerface.impl.invocationhandler.NoInterfaceViewInvocationHandler.invoke(NoInterfaceViewInvocationHandler.java:148)
	at org.jboss.ejb3.proxy.javassist.JavassistInvocationHandlerAdapter.invoke(JavassistInvocationHandlerAdapter.java:71)
	at org.jboss.UserService_$$_javassist_15.invokeUsers(UserService_$$_javassist_15.java)
	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 org.jboss.weld.util.reflection.SecureReflections$13.work(SecureReflections.java:304)
	at org.jboss.weld.util.reflection.SecureReflectionAccess.run(SecureReflectionAccess.java:54)
	at org.jboss.weld.util.reflection.SecureReflectionAccess.runAsInvocation(SecureReflectionAccess.java:163)
	at org.jboss.weld.util.reflection.SecureReflections.invoke(SecureReflections.java:298)
	at org.jboss.weld.bean.proxy.EnterpriseBeanProxyMethodHandler.invoke(EnterpriseBeanProxyMethodHandler.java:127)
	at org.jboss.weld.util.CleanableMethodHandler.invoke(CleanableMethodHandler.java:43)
	at org.jboss.UserService_$$_javassist_10.invokeUsers(UserService_$$_javassist_10.java)
	at org.jboss.UserServiceTest.testCanInvokedInjectedEJB(UserServiceTest.java:61)
	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 org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
	at org.jboss.arquillian.junit.Arquillian$6$1.invoke(Arquillian.java:251)
	at org.jboss.arquillian.impl.handler.TestEventExecuter.callback(TestEventExecuter.java:44)
	at org.jboss.arquillian.impl.handler.TestEventExecuter.callback(TestEventExecuter.java:34)
	at org.jboss.arquillian.impl.event.MapEventManager.fire(MapEventManager.java:63)
	at org.jboss.arquillian.impl.context.AbstractEventContext.fire(AbstractEventContext.java:115)
	at org.jboss.arquillian.impl.EventTestRunnerAdaptor.test(EventTestRunnerAdaptor.java:117)
	at org.jboss.arquillian.junit.Arquillian$6.evaluate(Arquillian.java:244)
	at org.jboss.arquillian.junit.Arquillian$4.evaluate(Arquillian.java:207)
	at org.jboss.arquillian.junit.Arquillian$5$1.evaluate(Arquillian.java:225)
	at org.jboss.arquillian.junit.Arquillian$MultiStatementExecutor.execute(Arquillian.java:297)
	at org.jboss.arquillian.junit.Arquillian$5.evaluate(Arquillian.java:221)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
	at org.jboss.arquillian.junit.Arquillian$2.evaluate(Arquillian.java:163)
	at org.jboss.arquillian.junit.Arquillian$3$1.evaluate(Arquillian.java:186)
	at org.jboss.arquillian.junit.Arquillian$MultiStatementExecutor.execute(Arquillian.java:297)
	at org.jboss.arquillian.junit.Arquillian$3.evaluate(Arquillian.java:182)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
	at org.jboss.arquillian.junit.Arquillian.run(Arquillian.java:127)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:157)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:136)
	at org.jboss.arquillian.junit.JUnitTestRunner.execute(JUnitTestRunner.java:69)
	at org.jboss.arquillian.protocol.servlet_3.ServletTestRunner.doGet(ServletTestRunner.java:84)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:734)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at org.jboss.resteasy.plugins.server.servlet.FilterDispatcher.doFilter(FilterDispatcher.java:63)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at org.jboss.weld.servlet.ConversationPropagationFilter.doFilter(ConversationPropagationFilter.java:68)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181)
	at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.event(CatalinaContext.java:285)
	at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.invoke(CatalinaContext.java:261)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:93)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951)
	at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.NullPointerException
	at org.jboss.UserService.invokeUsers(UserService.java:48)
	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 org.jboss.aop.joinpoint.MethodInvocation.invokeTarget(MethodInvocation.java:122)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:111)
	at org.jboss.ejb3.interceptors.container.ContainerMethodInvocationWrapper.invokeNext(ContainerMethodInvocationWrapper.java:72)
	at org.jboss.ejb3.interceptors.aop.InterceptorSequencer.invoke(InterceptorSequencer.java:76)
	at org.jboss.ejb3.interceptors.aop.InterceptorSequencer.aroundInvoke(InterceptorSequencer.java:62)
	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 org.jboss.aop.advice.PerJoinpointAdvice.invoke(PerJoinpointAdvice.java:174)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.ejb3.interceptors.aop.InvocationContextInterceptor.fillMethod(InvocationContextInterceptor.java:72)
	at org.jboss.aop.advice.org.jboss.ejb3.interceptors.aop.InvocationContextInterceptor_z_fillMethod_20903429.invoke(InvocationContextInterceptor_z_fillMethod_20903429.java)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.ejb3.interceptors.aop.InvocationContextInterceptor.setup(InvocationContextInterceptor.java:88)
	at org.jboss.aop.advice.org.jboss.ejb3.interceptors.aop.InvocationContextInterceptor_z_setup_20903429.invoke(InvocationContextInterceptor_z_setup_20903429.java)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.ejb3.async.impl.interceptor.FutureSerializingInterceptor.invoke(FutureSerializingInterceptor.java:88)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.ejb3.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:62)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.ejb3.entity.ExtendedPersistenceContextPropagationInterceptor.invoke(ExtendedPersistenceContextPropagationInterceptor.java:74)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:56)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.ejb3.tx.NullInterceptor.invoke(NullInterceptor.java:42)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.ejb3.stateful.StatefulInstanceInterceptor.invoke(StatefulInstanceInterceptor.java:81)
	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
	at org.jboss.ejb3.core.context.SessionInvocationContextAdapter.proceed(SessionInvocationContextAdapter.java:90)
	at org.jboss.ejb3.tx2.impl.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:247)
	... 99 more

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