0 Replies Latest reply on Feb 14, 2008 3:12 PM by Piotr Janik

    NullPointerException at  com.sun.enterprise.util.EntityManag

    Piotr Janik Newbie

      I'm trying to run my SEAM+ICEFACES app on GLASSFISH.
      But I'm getting this error, when I want to use hibernate(searching db).

      javax.ejb.TransactionRolledbackLocalException: Exception thrown from bean; nested exception is: java.lang.NullPointerException
      java.lang.NullPointerException
       at com.sun.enterprise.util.EntityManagerWrapper.createQuery(EntityManagerWrapper.java:349)
       at org.jboss.seam.persistence.EntityManagerProxy.createQuery(EntityManagerProxy.java:79)
       at nautilia.sklepy.ejb.web.customers.CustomerSearch.Find(CustomerSearch.java:76)
       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:585)
       at com.sun.enterprise.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1067)
       at com.sun.enterprise.security.SecurityUtil.invoke(SecurityUtil.java:176)
       at com.sun.ejb.containers.BaseContainer.invokeBeanMethod(BaseContainer.java:4005)
       at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:483)
       at com.sun.ejb.Invocation.proceed(Invocation.java:498)
       at org.jboss.seam.intercept.EJBInvocationContext.proceed(EJBInvocationContext.java:44)
       at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
       at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:31)
       at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
       at org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:46)
       at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
       at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:42)
       at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
       at org.jboss.seam.persistence.EntityManagerProxyInterceptor.aroundInvoke(EntityManagerProxyInterceptor.java:26)
       at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
       at org.jboss.seam.persistence.HibernateSessionProxyInterceptor.aroundInvoke(HibernateSessionProxyInterceptor.java:27)
      
      


      persistence.xml
      <?xml version="1.0" encoding="UTF-8"?>
      <persistence version="1.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd">
       <persistence-unit name="sklepyPU" transaction-type="JTA">
       <provider>org.hibernate.ejb.HibernatePersistence</provider>
       <jta-data-source>jdbc/mysql</jta-data-source>
       <properties>
      
       <property name="hibernate.transaction.manager_lookup_class" value="org.hibernate.transaction.SunONETransactionManagerLookup"/>
       <property name="hibernate.hbm2ddl.auto" value="create-drop"/>
       <property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect"/>
       <property name="hibernate.case.user_query_cache" value="true"/>
       <property name="hibernate.show_sql" value="true"/>
       </properties>
      
      
      
       </persistence-unit>
      </persistence>
      


      components.xml
      <?xml version="1.0" encoding="UTF-8"?>
      <components xmlns="http://jboss.com/products/seam/components"
       xmlns:core="http://jboss.com/products/seam/core"
       xmlns:persistence="http://jboss.com/products/seam/persistence"
       xmlns:transaction="http://jboss.com/products/seam/transaction"
       xmlns:security="http://jboss.com/products/seam/security"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation=
       "http://jboss.com/products/seam/core http://jboss.com/products/seam/core-2.0.xsd
       http://jboss.com/products/seam/persistence http://jboss.com/products/seam/persistence-2.0.xsd
       http://jboss.com/products/seam/transaction http://jboss.com/products/seam/transaction-2.0.xsd
       http://jboss.com/products/seam/security http://jboss.com/products/seam/security-2.0.xsd
      http://jboss.com/products/seam/components http://jboss.com/products/seam/components-2.0.xsd">
      
       <core:init jndi-pattern="java:comp/env/sklepy/#{ejbName}/local" debug="true"/>
      
       <core:manager conversation-timeout="120000"
       concurrent-request-timeout="500"
       conversation-id-parameter="cid"/>
      
       <persistence:entity-manager-factory name="sklepyPU" persistence-unit-name="sklepyPU"/>
      
       <persistence:managed-persistence-context name="em"
       auto-create="true"
       entity-manager-factory="#{sklepyPU}"/>
      
       <transaction:ejb-transaction />
      
      
      </components>
      


      THX