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    Root Cause Analysis

    1. java.lang.IllegalArgumentException

      No persistence unit named 'entityManager' is available in scope jsf_ejb_jpa. Available persistence units: []

      at weblogic.persistence.ModulePersistenceUnitRegistry.getPersistenceUnit()
    2. weblogic.persistence
      PersistenceManagerObjectFactory.getObjectInstance
      1. weblogic.persistence.ModulePersistenceUnitRegistry.getPersistenceUnit(ModulePersistenceUnitRegistry.java:130)
      2. weblogic.persistence.BasePersistenceContextProxyImpl.init(BasePersistenceContextProxyImpl.java:40)
      3. weblogic.persistence.TransactionalEntityManagerProxyImpl.init(TransactionalEntityManagerProxyImpl.java:31)
      4. weblogic.persistence.EntityManagerInvocationHandlerFactory.createTransactionalEntityManagerInvocationHandler(EntityManagerInvocationHandlerFactory.java:20)
      5. weblogic.persistence.PersistenceManagerObjectFactory.createPersistenceContextProxy(PersistenceManagerObjectFactory.java:66)
      6. weblogic.persistence.PersistenceManagerObjectFactory.getObjectInstance(PersistenceManagerObjectFactory.java:31)
      6 frames
    3. Java RT
      NamingManager.getObjectInstance
      1. javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304)
      1 frame
    4. weblogic.jndi.internal
      WLContextImpl.lookup
      1. weblogic.jndi.internal.WLEventContextImpl.lookup(WLEventContextImpl.java:251)
      2. weblogic.jndi.internal.WLContextImpl.lookup(WLContextImpl.java:406)
      2 frames
    5. weblogic.j2eeclient.java
      ClientReadOnlyContextWrapper.lookup
      1. weblogic.j2eeclient.java.ClientReadOnlyContextWrapper.lookup(ClientReadOnlyContextWrapper.java:35)
      1 frame
    6. weblogic.jndi.internal
      AbstractURLContext.lookup
      1. weblogic.jndi.internal.AbstractURLContext.lookup(AbstractURLContext.java:130)
      1 frame
    7. Java RT
      InitialContext.doLookup
      1. javax.naming.InitialContext.lookup(InitialContext.java:392)
      2. javax.naming.InitialContext.doLookup(InitialContext.java:265)
      2 frames
    8. com.oracle.pitchfork
      EjbComponentCreatorBrokerImpl.getBean
      1. com.oracle.pitchfork.inject.Jsr250Metadata.jndiLookup(Jsr250Metadata.java:307)
      2. com.oracle.pitchfork.inject.Jsr250Metadata.resolveByName(Jsr250Metadata.java:303)
      3. com.oracle.pitchfork.inject.Jsr250Metadata.resolve(Jsr250Metadata.java:266)
      4. com.oracle.pitchfork.inject.Jsr250Metadata.applyInjections(Jsr250Metadata.java:228)
      5. com.oracle.pitchfork.inject.Jsr250Metadata.inject(Jsr250Metadata.java:219)
      6. com.oracle.pitchfork.spi.BaseComponentBrokerImpl.getBean(BaseComponentBrokerImpl.java:63)
      7. com.oracle.pitchfork.spi.EjbComponentCreatorBrokerImpl.getBean(EjbComponentCreatorBrokerImpl.java:33)
      7 frames
    9. weblogic.ejb.container
      SessionLocalMethodInvoker.invoke
      1. weblogic.ejb.container.injection.EjbComponentCreatorImpl.getBean(EjbComponentCreatorImpl.java:76)
      2. weblogic.ejb.container.manager.BaseEJBManager.createNewBeanInstance(BaseEJBManager.java:209)
      3. weblogic.ejb.container.manager.BaseEJBManager.allocateBean(BaseEJBManager.java:235)
      4. weblogic.ejb.container.manager.StatelessManager.createBean(StatelessManager.java:293)
      5. weblogic.ejb.container.pool.StatelessSessionPool.createBean(StatelessSessionPool.java:185)
      6. weblogic.ejb.container.pool.StatelessSessionPool.getBean(StatelessSessionPool.java:114)
      7. weblogic.ejb.container.manager.StatelessManager.preInvoke(StatelessManager.java:174)
      8. weblogic.ejb.container.internal.BaseLocalObject.getBeanInstance(BaseLocalObject.java:146)
      9. weblogic.ejb.container.internal.BaseLocalObject.preInvoke(BaseLocalObject.java:103)
      10. weblogic.ejb.container.internal.BaseLocalObject.__WL_preInvoke(BaseLocalObject.java:67)
      11. weblogic.ejb.container.internal.SessionLocalMethodInvoker.invoke(SessionLocalMethodInvoker.java:20)
      11 frames
    10. com.example.dao
      JpaUserDAO_wrkew_UserDAOImpl.add
      1. com.example.dao.jpa.JpaUserDAO_wrkew_UserDAOImpl.add(Unknown Source)
      1 frame
    11. com.example.backing
      IndexBacking.addUser
      1. com.example.backing.IndexBacking.addUser(IndexBacking.java:38)
      1 frame