I am trying out the Wicket framework using version 8. I have been battling
this strange error without success. I am using Payara application server on
Windows 10 The required info is below, any tips or help in finding out where
the problem is would be appreciated. I looked into stackoverflow, pretty
much any help sites for similar questions but did not find any.
It seems deque preamble is being called erroneously by wicket.
Java Source below
public class PrescientHome extends PrescientTemplateOriginalPage {
private Model<ZipManagedBean> zipManager;
private Form occForm;
private WebMarkupContainer tagFrame;
private Login login;
private Model<String> occupationListModel;
private List <String> occupationList;
private DropDownChoice<String> occupationChoices;
public PrescientHome()
{ super(); }
@Override
protected void onInitialize() {
super.onInitialize();
zipManager=Model.of(new ZipManagedBean());
login=new Login();
login.setResponsePage(Login.class);
occupationListModel= new Model<>();
occupationList=zipManager.getObject().getOccCode();
occupationChoices=new
DropDownChoice<>("occupationModel",occupationListModel, occupationList );
occForm=new Form("occupationForm"){
@Override
protected void onSubmit()
{ super.onSubmit(); }
};
occForm.add(occupationChoices);
add(occForm);
tagFrame=new WebMarkupContainer("TagFrame");
tagFrame.add(login);
add(tagFrame);
}
}
HTML Source below
<!DOCTYPE html>
<html>
<head>
<title>TODO supply a title</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<wicket:extend>
<div wicket:id="TagFrame">
</div>
<div>
<form id="occupationForm">
Doctors :
<select name="occModel" wicket:id=":occupationModel">
<option selected="selected">Choose one</option>
<option value="0">Physician</option>
<option value="1">Dentist</option>
<option value="2">Optometrist</option>
</select>
<input type="submit" value="Submit" />.
</form>
</div>
</wicket:extend>
</body>
</html>
The error displayed below.
java.lang.IllegalStateException: This container is already dequeing: [Page
class =
org.prescients.prescientdocwicket.PrescientHome, id = 0, render count = 0]
at
org.apache.wicket.MarkupContainer.dequeuePreamble(MarkupContainer.java:1918)
at org.apache.wicket.MarkupContainer.dequeue(MarkupContainer.java:1856)
at org.apache.wicket.MarkupContainer.dequeueChild(MarkupContainer.java:2018)
at org.apache.wicket.MarkupContainer.dequeue(MarkupContainer.java:1983)
at
org.apache.wicket.MarkupContainer.dequeuePreamble(MarkupContainer.java:1931)
at org.apache.wicket.MarkupContainer.dequeue(MarkupContainer.java:1856)
at org.apache.wicket.MarkupContainer.onInitialize(MarkupContainer.java:1887)
at org.apache.wicket.Page.onInitialize(Page.java:298)
atorg.prescients.prescientdocwicket.PrescientTemplateOriginalPage.onInitialize(PrescientTemplateOrigi
nalPage.java:36)
at
org.prescients.prescientdocwicket.PrescientHome.onInitialize(PrescientHome.java:48)
--
Sent from: http://apache-wicket.1842946.n4.nabble.com/Users-forum-f1842947.html
---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
