Re: Nested form bug?

[Steve Swinsburg]

I think Igor meant for you to post some code.

cheers,
Steve



On 13 May 2009, at 17:27, Martin Makundi wrote:

Ok, I was hoping someone has experienced the same stacktrace.

I will try to reproduce the bug still, maybe I find something.

**
Martin

2009/5/13 Igor Vaynberg <igor.vaynb...@gmail.com>:

hard to say without having something to play against.

-igor

On Wed, May 13, 2009 at 8:19 AM, Martin Makundi
<martin.maku...@koodaripalvelut.com> wrote:

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

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

void com.myapp.dto.Dummy.setValue(java.lang.String) on object:
com.myapp.dto.du...@3140994e

     at sun.reflect.GeneratedMethodAccessor65.invoke(Unknown Source)

     at java.lang.reflect.Method.invoke(Method.java:597)

     at org.apache.wicket.RequestCycle.step(RequestCycle.java:1319)
     at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1418)

     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.Server.handle(Server.java:285)

     at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:627)

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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requires the field and does not allow submitting the form without the org.apache.wicket.WicketRuntimeException: Error calling method: public 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 .DelegatingMethodAccessorImpl .invoke(DelegatingMethodAccessorImpl.java:25) 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.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 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.HttpConnection.handleRequest(HttpConnection.java: 457) at org.mortbay.jetty.HttpConnection $RequestHandler.content(HttpConnection.java:765) 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)

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