Hi,
I am very very new to Wicket and I am at a very early stage of my
understanding. I have upgraded to 1.4_m1. But I seem to have a weired
problem which I don't see any one else have a problem with.
I would appreciate any quick help. Thanks.
Problem is with the add(firstNameTextField) line in the following code:
public class TestForm extends Form<TestFormInputModel>
{
public TestForm(String name)
{
//super(id);
super(name, new CompoundPropertyModel<TestFormInputModel>(new
TestFormInputModel()));
RequiredTextField<String> firstNameTextField
= new RequiredTextField<String>("firstName");
firstNameTextField.setLabel(new Model<String>("First Name"));
add(firstNameTextField);
RequiredTextField<String> lastNameTextField
= new RequiredTextField<String>("lastName");
firstNameTextField.setLabel(new Model<String>("Last Name"));
add(firstNameTextField);
}
/**
* @see org.apache.wicket.markup.html.form.Form#onSubmit()
*/
@Override
public void onSubmit()
{
// Form validation successful. Display message showing edited
model.
int i=0;
TestFormInputModel inputModel = getModelObject();
info("Saved model " + getModelObject());
}
public <T> IConverter<T> getConverter(Class<T> type) {
// TODO Auto-generated method stub
return null;
}
}
public class TestFormInputModel implements IClusterable
{
private String firstName;
private String lastName;
public String getFirstName()
{
return firstName;
}
public void setFirstName(String firstName)
{
this.firstName = firstName;
}
public String getLastName()
{
return lastName;
}
public void setLastName(String lastName)
{
this.lastName = lastName;
}
}
And here is the error:
74844 [http-8000-Processor25] INFO
org.apache.wicket.RequestListenerInterface - registered listener interface
[RequestListenerInterface name=IActivePageBehaviorListener, method=public
abstract void org.apache.wicket.behavior.IBehaviorListener.onRequest()]
276531 [http-8000-Processor24] ERROR org.apache.wicket.RequestCycle - Can't
instantiate page using constructor public com.wicket.test.webpage.Hello()
org.apache.wicket.WicketRuntimeException: Can't instantiate page using
constructor public com.wicket.test.webpage.Hello()
at
org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:168)
at
org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:58)
at
org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.newPage(BookmarkablePageRequestTarget.java:262)
at
org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.getPage(BookmarkablePageRequestTarget.java:283)
at
org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.processEvents(BookmarkablePageRequestTarget.java:210)
at
org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:91)
at
org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1166)
at org.apache.wicket.RequestCycle.step(RequestCycle.java:1243)
at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1331)
at org.apache.wicket.RequestCycle.request(RequestCycle.java:493)
at
org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:363)
at
org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:194)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:667)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:494)
at
org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:149)
... 25 more
Caused by: java.lang.NoSuchMethodError:
com.wicket.test.form.TestForm.add([Lorg/apache/wicket/Component;)Lorg/apache/wicket/MarkupContainer;
at com.wicket.test.form.TestForm.<init>(TestForm.java:20)
at com.wicket.test.webpage.Hello.<init>(Hello.java:18)
... 30 more
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