Hi!
I have a data object Dummy whose attribute "value" has a setMethod
(setValue) that does not allow the given value to be an empty string
or null.
This model object is attached to a property model new
PropertyModel(dummy, "value") and the propertymodel is passed to a
TextField component whose "setRequired=true"..
Normally, when I access the page, the form works perfectly. It
requires the field and does not allow submitting the form without the
required value.
However, on the log I find following errors and I do not understand
how they occur because the field is required. Is it possible that
there is a bug in wicket (rc4) processing invisible forms or
something? It is difficult to repeat the error because it occurs
randomly in production:
2009-05-13 15:31:00,225 2816867 [btpool0-27] ERROR RequestCycle -
Error calling method: public void
com.myapp.dto.Dummy.setValue(java.lang.String) on object:
com.myapp.dto.du...@3140994e
org.apache.wicket.WicketRuntimeException: Error calling method: public
void com.myapp.dto.Dummy.setValue(java.lang.String) on object:
com.myapp.dto.du...@3140994e
at
org.apache.wicket.util.lang.PropertyResolver$MethodGetAndSet.setValue(PropertyResolver.java:1119)
at
org.apache.wicket.util.lang.PropertyResolver$ObjectAndGetSetter.setValue(PropertyResolver.java:582)
at
org.apache.wicket.util.lang.PropertyResolver.setValue(PropertyResolver.java:136)
at
org.apache.wicket.model.AbstractPropertyModel.setObject(AbstractPropertyModel.java:169)
at org.apache.wicket.Component.setDefaultModelObject(Component.java:3061)
at
org.apache.wicket.markup.html.form.FormComponent.updateModel(FormComponent.java:1141)
at
org.apache.wicket.markup.html.form.Form$FormModelUpdateVisitor.component(Form.java:224)
at
org.apache.wicket.markup.html.form.FormComponent.visitComponentsPostOrderHelper(FormComponent.java:488)
at
org.apache.wicket.markup.html.form.FormComponent.visitComponentsPostOrderHelper(FormComponent.java:467)
at
org.apache.wicket.markup.html.form.FormComponent.visitComponentsPostOrderHelper(FormComponent.java:467)
at
org.apache.wicket.markup.html.form.FormComponent.visitComponentsPostOrderHelper(FormComponent.java:467)
at
org.apache.wicket.markup.html.form.FormComponent.visitComponentsPostOrderHelper(FormComponent.java:467)
at
org.apache.wicket.markup.html.form.FormComponent.visitComponentsPostOrder(FormComponent.java:439)
at
org.apache.wicket.markup.html.form.Form.internalUpdateFormComponentModels(Form.java:2022)
at org.apache.wicket.markup.html.form.Form.access$300(Form.java:140)
at org.apache.wicket.markup.html.form.Form$20.component(Form.java:2007)
at org.apache.wicket.markup.html.form.Form$20.component(Form.java:2003)
at
org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:871)
at
org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:886)
at
org.apache.wicket.markup.html.form.Form.updateNestedFormComponentModels(Form.java:2001)
at
org.apache.wicket.markup.html.form.Form.updateFormComponentModels(Form.java:1991)
at org.apache.wicket.markup.html.form.Form.process(Form.java:959)
at org.apache.wicket.markup.html.form.Form.process(Form.java:907)
at org.apache.wicket.markup.html.form.Form.onFormSubmitted(Form.java:875)
at sun.reflect.GeneratedMethodAccessor65.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.apache.wicket.RequestListenerInterface.invoke(RequestListenerInterface.java:182)
at
org.apache.wicket.request.target.component.listener.ListenerInterfaceRequestTarget.processEvents(ListenerInterfaceRequestTarget.java:73)
at
org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:92)
at
wicket.quickstart.TakpApplication$2.processEvents(TakpApplication.java:842)
at
org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1240)
at org.apache.wicket.RequestCycle.step(RequestCycle.java:1319)
at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1418)
at org.apache.wicket.RequestCycle.request(RequestCycle.java:544)
at
org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:456)
at
org.apache.wicket.protocol.http.WicketServlet.doPost(WicketServlet.java:160)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at wicket.quickstart.TakpServlet.service(TakpServlet.java:48)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:491)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:367)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:185)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:689)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:391)
at
org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:146)
at
org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
at org.mortbay.jetty.Server.handle(Server.java:285)
at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:457)
at
org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:765)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:627)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:209)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:357)
at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:329)
at
org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:475)
Caused by: java.lang.IllegalArgumentException: Argument "null" must
not be empty or only whitespace.
at com.myapp.dto.Dummy(Dummy.java:76)
t. Martin
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