[jboss-user] [JBoss Seam] - NPE After adding @RequestParameter to SESSION bean

I added a @RequestParameter to a SESSION scoped bean and this now occurs at session destruction: 17:26:01,626 ERROR [STDERR] ENCOUNTERED EXCEPTION CALLING: class com.triggersoft.business.MyAccountBean.destroy | 17:26:01,626 ERROR [STDERR] java.lang.NullPointerException | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.util.Parameters.convertMultiValueRequestParameter(Parameters.java:47) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.Component.injectParameters(Component.java:1153) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.Component.inject(Component.java:1116) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.interceptors.BijectionInterceptor.bijectTargetComponent(BijectionInterceptor.java:48) | 17:26:01,626 ERROR [STDERR] at sun.reflect.GeneratedMethodAccessor445.invoke(Unknown Source) | 17:26:01,626 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) | 17:26:01,626 ERROR [STDERR] at java.lang.reflect.Method.invoke(Unknown Source) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.util.Reflections.invoke(Reflections.java:18) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.interceptors.OutcomeInterceptor.interceptOutcome(OutcomeInterceptor.java:23) | 17:26:01,626 ERROR [STDERR] at sun.reflect.GeneratedMethodAccessor419.invoke(Unknown Source) | 17:26:01,626 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) | 17:26:01,626 ERROR [STDERR] at java.lang.reflect.Method.invoke(Unknown Source) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.util.Reflections.invoke(Reflections.java:18) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.interceptors.ConversationInterceptor.endOrBeginLongRunningConversation(ConversationInterceptor.java:51) | 17:26:01,626 ERROR [STDERR] at sun.reflect.GeneratedMethodAccessor418.invoke(Unknown Source) | 17:26:01,626 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) | 17:26:01,626 ERROR [STDERR] at java.lang.reflect.Method.invoke(Unknown Source) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.util.Reflections.invoke(Reflections.java:18) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64) | 17:26:01,626 ERROR [STDERR] at com.triggersoft.business.LoggedInInterceptor.checkLoggedIn(LoggedInInterceptor.java:62) | 17:26:01,626 ERROR [STDERR] at sun.reflect.GeneratedMethodAccessor452.invoke(Unknown Source) | 17:26:01,626 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) | 17:26:01,626 ERROR [STDERR] at java.lang.reflect.Method.invoke(Unknown Source) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.util.Reflections.invoke(Reflections.java:18) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.interceptors.ManagedEntityIdentityInterceptor.aroundInvoke(ManagedEntityIdentityInterceptor.java:79) | 17:26:01,626 ERROR [STDERR] at sun.reflect.GeneratedMethodAccessor448.invoke(Unknown Source) | 17:26:01,626 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) | 17:26:01,626 ERROR [STDERR] at java.lang.reflect.Method.invoke(Unknown Source) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.util.Reflections.invoke(Reflections.java:18) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.intercept.RootInterceptor.createSeamInvocationContext(RootInterceptor.java:144) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.intercept.RootInterceptor.invokeInContexts(RootInterceptor.java:129) | 17:26:01,626 ERROR [STDERR] at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:102) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.intercept.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:49) | 17:26:01,642 ERROR [STDERR] at sun.reflect.GeneratedMethodAccessor420.invoke(Unknown Source) | 17:26:01,642 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) | 17:26:01,642 ERROR [STDERR] at java.lang.reflect.Method.invoke(Unknown Source) | 17:26:01,642 ERROR [STDERR] at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118) | 17:26:01,642 ERROR [STDERR] at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63) | 17:26:01,642 ERROR [STDERR] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) | 17:26:01,642 ERROR [STDERR] at org.jboss.ejb3.entity.ExtendedPersistenceContextPropagationInterceptor.invoke(ExtendedPersistenceContextPropagationInterceptor.java:57) | 17:26:01,642 ERROR [STDERR] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) | 17:26:01,642 ERROR [STDERR] at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54) | 17:26:01,642 ERROR [STDERR] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) | 17:26:01,642 ERROR [STDERR] at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47) | 17:26:01,642 ERROR [STDERR] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) | 17:26:01,642 ERROR [STDERR] at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79) | 17:26:01,642 ERROR [STDERR] at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:197) | 17:26:01,642 ERROR [STDERR] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) | 17:26:01,642 ERROR [STDERR] at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76) | 17:26:01,642 ERROR [STDERR] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) | 17:26:01,642 ERROR [STDERR] at org.jboss.ejb3.stateful.StatefulInstanceInterceptor.invoke(StatefulInstanceInterceptor.java:83) | 17:26:01,642 ERROR [STDERR] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) | 17:26:01,642 ERROR [STDERR] at org.jboss.ejb3.stateful.StatefulRemoveInterceptor.invoke(StatefulRemoveInterceptor.java:81) | 17:26:01,642 ERROR [STDERR] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) | 17:26:01,642 ERROR [STDERR] at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77) | 17:26:01,642 ERROR [STDERR] at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:131) | 17:26:01,642 ERROR [STDERR] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) | 17:26:01,642 ERROR [STDERR] at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:47) | 17:26:01,642 ERROR [STDERR] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) | 17:26:01,642 ERROR [STDERR] at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106) | 17:26:01,642 ERROR [STDERR] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) | 17:26:01,642 ERROR [STDERR] at org.jboss.ejb3.stateful.StatefulContainer.localInvoke(StatefulContainer.java:203) | 17:26:01,642 ERROR [STDERR] at org.jboss.ejb3.stateful.StatefulLocalProxy.invoke(StatefulLocalProxy.java:98) | 17:26:01,642 ERROR [STDERR] at com.triggersoft.business.$Proxy562.destroy(Unknown Source) | 17:26:01,642 ERROR [STDERR] at com.triggersoft.business.MyAccount$$FastClassByCGLIB$$b080abac.invoke(<generated>) | 17:26:01,642 ERROR [STDERR] at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:45) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.intercept.ClientSideInterceptor$1.proceed(ClientSideInterceptor.java:69) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:55) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.interceptors.RemoveInterceptor.removeIfNecessary(RemoveInterceptor.java:39) | 17:26:01,642 ERROR [STDERR] at sun.reflect.GeneratedMethodAccessor447.invoke(Unknown Source) | 17:26:01,642 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) | 17:26:01,642 ERROR [STDERR] at java.lang.reflect.Method.invoke(Unknown Source) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.util.Reflections.invoke(Reflections.java:18) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.interceptors.ExceptionInterceptor.handleExceptions(ExceptionInterceptor.java:38) | 17:26:01,642 ERROR [STDERR] at sun.reflect.GeneratedMethodAccessor417.invoke(Unknown Source) | 17:26:01,642 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) | 17:26:01,642 ERROR [STDERR] at java.lang.reflect.Method.invoke(Unknown Source) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.util.Reflections.invoke(Reflections.java:18) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.interceptors.SynchronizationInterceptor.serialize(SynchronizationInterceptor.java:30) | 17:26:01,642 ERROR [STDERR] at sun.reflect.GeneratedMethodAccessor449.invoke(Unknown Source) | 17:26:01,642 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) | 17:26:01,642 ERROR [STDERR] at java.lang.reflect.Method.invoke(Unknown Source) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.util.Reflections.invoke(Reflections.java:18) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.intercept.RootInterceptor.createSeamInvocationContext(RootInterceptor.java:144) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.intercept.RootInterceptor.invokeInContexts(RootInterceptor.java:129) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:102) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.intercept.ClientSideInterceptor.interceptInvocation(ClientSideInterceptor.java:78) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.intercept.ClientSideInterceptor.intercept(ClientSideInterceptor.java:47) | 17:26:01,642 ERROR [STDERR] at com.triggersoft.business.MyAccount$$EnhancerByCGLIB$$bd4780c0.destroy(<generated>) | 17:26:01,642 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | 17:26:01,642 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) | 17:26:01,642 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) | 17:26:01,642 ERROR [STDERR] at java.lang.reflect.Method.invoke(Unknown Source) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.util.Reflections.invoke(Reflections.java:18) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:102) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.Component.callComponentMethod(Component.java:1793) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.Component.callDestroyMethod(Component.java:1749) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:189) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.contexts.Lifecycle.endSession(Lifecycle.java:230) | 17:26:01,642 ERROR [STDERR] at org.jboss.seam.servlet.SeamListener.sessionDestroyed(SeamListener.java:45) | 17:26:01,642 ERROR [STDERR] at org.apache.catalina.session.StandardSession.expire(StandardSession.java:687) | 17:26:01,642 ERROR [STDERR] at org.apache.catalina.session.StandardSession.isValid(StandardSession.java:579) | 17:26:01,642 ERROR [STDERR] at org.apache.catalina.session.ManagerBase.processExpires(ManagerBase.java:678) | 17:26:01,642 ERROR [STDERR] at org.apache.catalina.session.ManagerBase.backgroundProcess(ManagerBase.java:663) | 17:26:01,642 ERROR [STDERR] at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1284) | 17:26:01,642 ERROR [STDERR] at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1569) | 17:26:01,642 ERROR [STDERR] at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1578) | 17:26:01,642 ERROR [STDERR] at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1578) | 17:26:01,642 ERROR [STDERR] at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1558) | 17:26:01,642 ERROR [STDERR] at java.lang.Thread.run(Unknown Source) I've moved the @RequestParameter to an EVENT scoped bean and all is well, but I thought I'd raise it anyway as it was an NPE. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3991056#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...