well , in fact , there is no such information : All information are from wicket , no single line point to my package...
FYI : (wicket-8.6.0) 2020-05-30 21:35:14.117 [http-nio-8080-exec-6] ERROR d.w.ExceptionPage.<init> - exception = Override this method to support setObject(Object) , url = http://localhost:8080/app/sompage?67-1.-border-content-border_body-form . agent = Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36 . referrer = http://localhost:8080/app/somepage . ip = 0:0:0:0:0:0:0:1 java.lang.UnsupportedOperationException: Override this method to support setObject(Object) at org.apache.wicket.model.IModel.setObject(IModel.java:84) at org.apache.wicket.Component.setDefaultModelObject(Component.java:3012) at org.apache.wicket.IGenericComponent.setModelObject(IGenericComponent.java:81) at org.apache.wicket.markup.html.form.FormComponent.updateModel(FormComponent.java:1100) at org.apache.wicket.markup.html.form.Form$FormModelUpdateVisitor.component(Form.java:223) at org.apache.wicket.markup.html.form.Form$FormModelUpdateVisitor.component(Form.java:193) at org.apache.wicket.util.visit.Visits.visitPostOrderHelper(Visits.java:274) at org.apache.wicket.util.visit.Visits.visitPostOrderHelper(Visits.java:262) at org.apache.wicket.util.visit.Visits.visitPostOrderHelper(Visits.java:262) at org.apache.wicket.util.visit.Visits.visitPostOrder(Visits.java:245) at org.apache.wicket.markup.html.form.FormComponent.visitComponentsPostOrder(FormComponent.java:426) at org.apache.wicket.markup.html.form.Form.internalUpdateFormComponentModels(Form.java:1873) at org.apache.wicket.markup.html.form.Form.updateFormComponentModels(Form.java:1838) at org.apache.wicket.markup.html.form.Form.process(Form.java:990) at org.apache.wicket.markup.html.form.Form.onFormSubmitted(Form.java:825) at org.apache.wicket.markup.html.form.Form.onRequest(Form.java:726) at org.apache.wicket.core.request.handler.ListenerRequestHandler.internalInvoke(ListenerRequestHandler.java:306) at org.apache.wicket.core.request.handler.ListenerRequestHandler.invoke(ListenerRequestHandler.java:255) at org.apache.wicket.core.request.handler.ListenerRequestHandler.invokeListener(ListenerRequestHandler.java:215) at org.apache.wicket.core.request.handler.ListenerRequestHandler.respond(ListenerRequestHandler.java:208) at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:914) at org.apache.wicket.request.RequestHandlerExecutor.execute(RequestHandlerExecutor.java:65) at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:282) at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:253) at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:221) at org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:275) at org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:206) at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:299) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:186) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:186) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:528) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:609) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:810) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1506) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.base/java.lang.Thread.run(Thread.java:834) Francois Meillet <francois.meil...@gmail.com> 於 2020年5月30日 週六 下午10:29寫道： > In your stacktrace, look at the line just below > org.apache.wicket.model.IModel.setObject(IModel.java:84) > You will find the cuprit > > Exception in thread "main" java.lang.UnsupportedOperationException: > Override this method to support setObject(Object) > at org.apache.wicket.model.IModel.setObject(IModel.java:84) > at > xxx.yyyy.zzz.YourClassUsingThisModel.theMethod(YourClassUsingThisModel.java:12) > > François > > > > > Le 30 mai 2020 à 16:13, smallufo <small...@gmail.com> a écrit : > > > > Yes , I know... > > But I hope it will be more informative. > > Because in practice , there may be lots of models , nested panels , forms > > , even in one page... > > Informative error message can make us quickly understand which model > needs > > to implement setObject. > > (just like the un-serializable field error message) > > > > Thanks. > > > > > > Francois Meillet <francois.meil...@gmail.com <mailto: > francois.meil...@gmail.com>> 於 2020年5月30日 週六 下午9:58寫道： > > > >> Hi, > >> > >> Depending on the model you use, you may need to ovveride the setObject() > >> method. > >> > >> from the API docs > >> > >> default void setObject(T object) > >> > >> Throws: > >> UnsupportedOperationException - unless overridden > >> > >> > >> > >> > https://ci.apache.org/projects/wicket/apidocs/9.x/org/apache/wicket/model/IModel.html#setObject(T) > >> < > >> > https://ci.apache.org/projects/wicket/apidocs/9.x/org/apache/wicket/model/IModel.html#setObject(T) > < > https://ci.apache.org/projects/wicket/apidocs/9.x/org/apache/wicket/model/IModel.html#setObject(T) > > > >>> > >> > >> > >> François > >> > >> > >> > >>> Le 30 mai 2020 à 15:46, smallufo <small...@gmail.com> a écrit : > >>> > >>> Hi > >>> I am building an app with complicated forms , nested models ... > >>> Some times it obsesses me is the UnsupportedOperationException : > >>> > >>> java.lang.UnsupportedOperationException: Override this method to > support > >>> setObject(Object) > >>> > >>> at org.apache.wicket.model.IModel.setObject(IModel.java:84) > >>> It doesn't pinpoint me which model , which form , which panel... > >>> very hard to debug... > >>> For non-serializable exception , it can provide meaning information , > >> even > >>> pinpoint which field causes the problem. > >>> I hope some day , this UnsupportedOperationException can also be so > >>> informative. > >>> > >>> Thanks. > >
