New problem => new mail thread ! ;) The exception happens when you use something like : new PropertyModel(object, "x.y") If "object" is null or object.x is null then this error happens
Martin Grigorov Wicket Training and Consulting On Thu, Mar 20, 2014 at 5:46 PM, Heshani <[email protected]> wrote: > Thanks Martin, the above exception got fixed. but right now im getting the > below exception, > org.apache.wicket.WicketRuntimeException: Attempted to set property value > on > a null object. Property expression: settings Value: > com.fanminder.entity.ContentBoxSettings[ id=2 ] > at > > org.apache.wicket.core.util.lang.PropertyResolver.setValue(PropertyResolver.java:133) > at > > org.apache.wicket.model.AbstractPropertyModel.setObject(AbstractPropertyModel.java:132) > at > org.apache.wicket.Component.setDefaultModelObject(Component.java:3072) > at > > org.apache.wicket.markup.html.form.FormComponent.setModelObject(FormComponent.java:1578) > at > > org.apache.wicket.markup.html.form.FormComponent.updateModel(FormComponent.java:1104) > at > > org.apache.wicket.ajax.form.AjaxFormComponentUpdatingBehavior.onEvent(AjaxFormComponentUpdatingBehavior.java:148) > at > > org.apache.wicket.ajax.AjaxEventBehavior.respond(AjaxEventBehavior.java:123) > at > > org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.onRequest(AbstractDefaultAjaxBehavior.java:626) > 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:597) > at > > org.apache.wicket.RequestListenerInterface.internalInvoke(RequestListenerInterface.java:258) > at > > org.apache.wicket.RequestListenerInterface.invoke(RequestListenerInterface.java:241) > at > > org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.invokeListener(ListenerInterfaceRequestHandler.java:250) > at > > org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.respond(ListenerInterfaceRequestHandler.java:236) > at > > org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:862) > at > > org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64) > at > org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:261) > at > > org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:218) > at > > org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:289) > at > > org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:259) > at > > org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:201) > at > > org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:282) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) > at com.fanminder.HibernateFilter.doFilter(HibernateFilter.java:24) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) > at > > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224) > at > > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169) > at > > org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) > at > > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168) > at > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) > at > org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:928) > at > > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) > at > > org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987) > at > > org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:539) > at > > org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1815) > at > > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:662) > > > -- > View this message in context: > http://apache-wicket.1842946.n4.nabble.com/Gets-an-NotSerializableException-on-RadioChoice-update-after-migrating-to-wicket-6-14-tp4665040p4665054.html > Sent from the Users forum mailing list archive at Nabble.com. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
