Hi ,

I am trying to upgrade my spring based application from WAS6.1 to WAS7.0. My application is using message listner defined as bean and refering to

TransactionManager bean shown below :
<bean id="MessageListenerTemplate"
class="com.fil.tars.framework.message.listener.Mes sageListenerContainer" abstract="true">
<property name="transactionManager" ref="TxManager" />


TransactionManager is defined
<bean id="TxManager" class="org.springframework.transaction.jta.WebSphe reUowTransactionManager">
<property name="autodetectUserTransaction" value="true"/>
</bean>

when I am upgrading th application to WAS7.0 I am getting following exception : can some one help ??


000037 SystemErr R java.lang.NullPointerException
[24/12/10 14:51:43:432 IST] 00000037 SystemErr R at com.ibm.ejs.container.EJSContainer.processTxContex tChange(EJSContainer.java:2434)
[24/12/10 14:51:43:432 IST] 00000037 SystemErr R at com.ibm.ejs.container.UserTransactionWrapper.begin (UserTransactionWrapper.java:207)
[24/12/10 14:51:43:432 IST] 00000037 SystemErr R at org.springframework.transaction.jta.JtaTransaction Manager.doJtaBegin(JtaTransactionManager.java:863)
[24/12/10 14:51:43:432 IST] 00000037 SystemErr R at org.springframework.transaction.jta.JtaTransaction Manager.doBegin(JtaTransactionManager.java:820)
[24/12/10 14:51:43:432 IST] 00000037 SystemErr R at org.springframework.transaction.support.AbstractPl atformTransactionManager.getTransaction(AbstractPl atformTransactionManager.java:371)
[24/12/10 14:51:43:432 IST] 00000037 SystemErr R at org.springframework.jms.listener.AbstractPollingMe ssageListenerContainer.receiveAndExecute(AbstractP ollingMessageListenerContainer.java:240)
[24/12/10 14:51:43:432 IST] 00000037 SystemErr R at org.springframework.jms.listener.DefaultMessageLis tenerContainer$AsyncMessageListenerInvoker.invokeL istener(DefaultMessageListenerContainer.java:1058)
[24/12/10 14:51:43:432 IST] 00000037 SystemErr R at org.springframework.jms.listener.DefaultMessageLis tenerContainer$AsyncMessageListenerInvoker.run(Def aultMessageListenerContainer.java:952)
[24/12/10 14:51:43:432 IST] 00000037 SystemErr R at org.springframework.scheduling.commonj.DelegatingW ork.run(DelegatingWork.java:61)
[24/12/10 14:51:43:432 IST] 00000037 SystemErr R at com.ibm.ws.asynchbeans.J2EEContext.run(J2EEContext .java:1150)
[24/12/10 14:51:43:432 IST] 00000037 SystemErr R at com.ibm.ws.asynchbeans.WorkWithExecutionContextImp l.go(WorkWithExecutionContextImpl.java:199)
[24/12/10 14:51:43:432 IST] 00000037 SystemErr R at com.ibm.ws.asynchbeans.CJWorkItemImpl.run(CJWorkIt emImpl.java:188)