Jboss 6.0 Context Manager Problem

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posted 12 years ago

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Hello everyone,

I am a newbie in JBoss and EJB. My problem is that when I try to create EntityManager, it returns null an I am getting an exception.

I configured the persistence.xml like

<?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="dbmoto" transaction-type="JTA">
    <provider>org.hibernate.ejb.HibernatePersistence</provider>
    <jta-data-source>java:motoDS</jta-data-source>
    <class>com.moto.database.Dailyschedule</class>
    <class>com.moto.database.Motousers</class>
    <class>com.moto.database.Movie</class>
    <class>com.moto.database.Movieroom</class>
    <class>com.moto.database.Seats</class>
    <class>com.moto.database.Ticket</class>
    <class>org.jboss.security.acl.ACLEntryImpl</class>
    <class>org.jboss.security.acl.ACLImpl</class>
    <exclude-unlisted-classes>false</exclude-unlisted-classes>
    <properties>
      <property name="hibernate.dialect" value="org.hibernate.dialect.HSQLDialect"/>
      <property name="hibernate.hbm2ddl.auto" value="update"/>
    </properties>
  </persistence-unit>
</persistence>

I used it to create Entities in my Mysql database and it works fine.
I am calling an stateless session bean in my servlet and when I try to use Context Manager in this session bean it gives an exception
It took my a lot of time to learn these stuffs and now I am desperate because of this exception. I have to finish this project before Monday.
I really need helps.

Sincerely..

Jaikiran Pai

Sheriff