[jboss-user] [EJB 3.0] - Illegal @PersistenceUnit: There is no default persistence un

Saturday, 25 November 2006

I'm developing on Jboss AS 4.0.5GA.
When I try to access my PersistenceUnit without specifying the unitName explicitly in
@PersistenceUnit, I get the following error, as though the default PersistenceUnit could
not be determined. But I only have a single persistence defined in my EAR.
23:43:51,140 WARN  [ServiceController] Problem starting service
jboss.j2ee:service=EJB3,module=IndyPhoneBeans.jar
  | java.lang.RuntimeException: Illegal @PersistenceUnit on private
javax.persistence.EntityManager de.indyphone.common.ejb.UserSessionBean.entityManager
  | :There is no default persistence unit in this deployment.
  |         at
org.jboss.injection.PersistenceContextHandler.handleFieldAnnotations(PersistenceContextHandler.java:182)
  |         at
org.jboss.injection.InjectionUtil.processFieldAnnotations(InjectionUtil.java:136)
  |         at
org.jboss.injection.InjectionUtil.processAnnotations(InjectionUtil.java:173)
  |         at org.jboss.ejb3.EJBContainer.processMetadata(EJBContainer.java:270)
  |         at org.jboss.ejb3.SessionContainer.processMetadata(SessionContainer.java:116)
  |         at
org.jboss.ejb3.Ejb3Deployment.processEJBContainerMetadata(Ejb3Deployment.java:273)
  |         at org.jboss.ejb3.Ejb3Deployment.start(Ejb3Deployment.java:322)
  |         at org.jboss.ejb3.Ejb3Module.startService(Ejb3Module.java:91)
  |         at
org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
  |         at
org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
  |         at sun.reflect.GeneratedMethodAccessor138.invoke(Unknown Source)
  |         at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:585)
  |         at
org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
  |         at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
  |         at
org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
  |         at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
  |         at
org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
  |         at $Proxy0.start(Unknown Source)
  |         at org.jboss.system.ServiceController.start(ServiceController.java:417)
  |         at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
  |         at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:585)
  |         at
org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
  |         at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
  |         at
org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
  |         at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
  |         at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
  |         at $Proxy29.start(Unknown Source)
  |         at org.jboss.ejb3.EJB3Deployer.start(EJB3Deployer.java:449)
  |         at sun.reflect.GeneratedMethodAccessor166.invoke(Unknown Source)
  |         at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:585)
  |         at
org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
  |         at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
  |         at
org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
  |         at
org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
  |         at
org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:97)
  |         at
org.jboss.system.InterceptorServiceMBeanSupport.invokeNext(InterceptorServiceMBeanSupport.java:238)
  |         at
org.jboss.ws.integration.jboss.DeployerInterceptor.start(DeployerInterceptor.java:92)
  |         at
org.jboss.deployment.SubDeployerInterceptorSupport$XMBeanInterceptor.start(SubDeployerInterceptorSupport.java:188)
  |         at
org.jboss.deployment.SubDeployerInterceptor.invoke(SubDeployerInterceptor.java:95)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
  |         at
org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
  |         at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
  |         at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
  |         at $Proxy30.start(Unknown Source)
  |         at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
  |         at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1015)
  |         at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
  |         at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
  |         at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
  |         at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:585)
  |         at
org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
  |         at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
  |         at
org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
  |         at
org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
  |         at
org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
  |         at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
  |         at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
  |         at $Proxy8.deploy(Unknown Source)
  |         at
org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
  |         at
org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:634)
  |         at
org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
  |         at
org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:274)
  |         at
org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:225)
I also tried defining a scoped classloader, as written in the Trailblazer (and with
another setting, see below, and without defining one and without a jboss-app.xml), all to
no avail.
<?xml version="1.0" encoding="windows-1252"?>
  | <jboss-app>
  | 	
  | 	<loader-repository>
  | 		IndyPhone:app=ejb3
  | 	</loader-repository>
  | </jboss-app>
Is there anything special to do for not being required to provide the unitName? It works
providing it, but I'd rather not want to tie my EJBs to that name.

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[jboss-user] [EJB 3.0] - Illegal @PersistenceUnit: There is no default persistence un