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https://issues.apache.org/jira/browse/WICKET-4643?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13408889#comment-13408889
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Sven Meier commented on WICKET-4643:
------------------------------------
When wicket-ajax-jquery calls jQuery.ajax(), it passes the serialized field as
the settings' data. But since the choice is not actually a form component, data
is empty.
Since data is empty, jQuery doesn't set the default content-type (would be
application/x-www-form-urlencoded):
if ( s.data && s.hasContent && s.contentType !== false ||
options.contentType ) {
jqXHR.setRequestHeader( "Content-Type", s.contentType );
}
settings.data *is* changed in beforeSend() via
AjaxFormChoiceComponentUpdatingBehavior's attrs.dep (dynamic extra parameters),
but this is too late for the content-type.
Without "application/x-www-form-urlencoded" contentType, Wicket doesn't get
hold on the post parameters via request#getParameter().
I've fixed the problem by using a GET instead of a POST. I'm not sure whether
it would be better to evaluate attrs.dep *before* invoking jQuery's ajax()
though.
> AjaxFormChoiceComponentUpdatingBehavior not set model object
> ------------------------------------------------------------
>
> Key: WICKET-4643
> URL: https://issues.apache.org/jira/browse/WICKET-4643
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 6.0.0
> Reporter: dan simko
> Attachments: quickstart1.zip
>
>
> AjaxFormChoiceComponentUpdatingBehavior cause ajax request but model object
> is not set. Quickstart is attached.
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