[jboss-user] [jBPM] - NullPointerException when trying to configure jbpm5 with Spring 3.0 and Persistence

[liliana.iovanovici]

liliana.iovanovici [https://community.jboss.org/people/liliana.iovanovici] created the discussion

"NullPointerException when trying to configure jbpm5 with Spring 3.0 and Persistence"

To view the discussion, visit: https://community.jboss.org/message/719061#719061

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Hi,

I am trying to configure Spring 3.0 with JBPM 5 and Persistence:


          <jbpm:ksession id="persistentKSession" type="stateful"
                    kbase="kbase">
                    <jbpm:configuration>
                              <jbpm:jpa-persistence>
                                        <jbpm:transaction-manager ref="transactionManager" />
                                        <jbpm:entity-manager-factory ref="entityManagerFactory" />
                              </jbpm:jpa-persistence>
                    </jbpm:configuration>
          </jbpm:ksession>


          <bean id="entityManagerFactory"
                    class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
                    <property name="persistenceUnitName" value="oracle" />
          </bean>


          <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
                    <property name="entityManagerFactory" ref="entityManagerFactory" />
          </bean>
</beans>


When I trying to create the context:

new ClassPathXmlApplicationContext("conf.xml");

I got an error: 
Caused by: java.lang.NullPointerException
          at org.jbpm.persistence.processinstance.JPAProcessInstanceManager.getProcessInstances(JPAProcessInstanceManager.java:97)
          at org.jbpm.process.instance.ProcessRuntimeImpl.getProcessInstances(ProcessRuntimeImpl.java:200)
          at org.drools.common.AbstractWorkingMemory.getProcessInstances(AbstractWorkingMemory.java:1093)
          at org.jbpm.marshalling.impl.ProcessMarshallerImpl.writeProcessInstances(ProcessMarshallerImpl.java:32)
          at org.drools.marshalling.impl.OutputMarshaller.writeSession(OutputMarshaller.java:158) ...

Does anybody know what I am doing wrog? 

Thanks.
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