[jboss-user] [Installation, Configuration & DEPLOYMENT] - JBOSS Migration issue from 3.2 to 4.0 NullPointerException

[marajukiran]

Hi,  
Is there any steps to follow migrating application from JBOSS 3.2 to JBOSS 4.0 .i am migrating my application from JBOSS 3.2.6 to JBOSS 4.0.5 and getting the following NullPointerException JDOservice get() method. 
The same code is working properly with JBOSS 3.2.6 but, when i migrating to JBOSS 4.0.5 throwing NullPointerException 
 
Stacktrace: 
ERROR [org.jboss.ejb.plugins.LogInterceptor] RuntimeException in method: public abstract java.util.Iterator mypackage.xxx.ejb.xxxBean.searchGlossary.searchGlossary(java.lang.String) throws java.rmi.RemoteException: 
java.lang.NullPointerException 
at com.mypackage.services.jdo.JDOService.get(Unknown Source) 
at com.mypackage.xxx.ejb.xxxBean.searchGlossary(Unknown Source) 
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:324) 
at org.jboss.invocation.Invocation.performCall(Invocation.java:359) 
at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:237) 
at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:158) 
at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:169) 
at org.jboss.ejb.plugins.CallValidationInterceptor.invoke(CallValidationInterceptor.java:63) 
at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:121) 
at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:350) 
at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:181) 
at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:168) 
at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:205) 
at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:136) 
at org.jboss.ejb.SessionContainer.internalInvoke(SessionContainer.java:648) 
at org.jboss.ejb.Container.invoke(Container.java:954) 
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
at java.lang.reflect.Method.invoke(Method.java:324) 
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155) 
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) 
at org.jboss.mx.server.Invocation.invoke(Invocation.java:86) 
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) 
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) 
at org.jboss.invocation.local.LocalInvoker$MBeanServerAction.invoke(LocalInvoker.java:169) 
at org.jboss.invocation.local.LocalInvoker.invoke(LocalInvoker.java:118) 
at org.jboss.invocation.InvokerInterceptor.invokeLocal(InvokerInterceptor.java:209) 
at org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:195) 
at org.jboss.proxy.TransactionInterceptor.invoke(TransactionInterceptor.java:61) 
at org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:70) 
at org.jboss.proxy.ejb.StatelessSessionInterceptor.invoke(StatelessSessionInterceptor.java:112) 
at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:100) 
at $Proxy64.searchGlossary(Unknown Source) 
at com.mypackage.xxx.appflow.SearchGlossaryAction.execute(Unknown Source) 
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484) 
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274) 
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482) 
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525) 
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) 
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) 
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) 
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) 
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) 
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) 
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) 
at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156) 
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) 
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) 
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) 
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) 
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) 
at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) 
at java.lang.Thread.run(Thread.java:534) 
 
please let me know how to solve this. 
 
Regards, 
Kiran Maraju

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