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https://issues.apache.org/jira/browse/WICKET-6069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Martin Grigorov resolved WICKET-6069.
-------------------------------------
Resolution: Fixed
Fix Version/s: 6.22.0
8.0.0-M1
7.3.0
> OnChangeAjaxBehavior does not work if the url contains a request parameter
> with same name as wicket id
> ------------------------------------------------------------------------------------------------------
>
> Key: WICKET-6069
> URL: https://issues.apache.org/jira/browse/WICKET-6069
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 6.21.0
> Reporter: Robin Shine
> Assignee: Martin Grigorov
> Priority: Minor
> Fix For: 7.3.0, 8.0.0-M1, 6.22.0
>
> Attachments: myproject.zip
>
>
> To demonstrate the issue, create below simple page:
> {code:title="HomePage.html"}
> <wicket:extend>
> <select wicket:id="choice"></select>
> </wicket:extend>
> {code}
> {code:title="HomePage.java"}
> public class HomePage extends WebPage {
> private String choice = "a";
>
> @Override
> protected void onInitialize() {
> super.onInitialize();
> List<String> choices = new ArrayList<String>();
> choices.add("a");
> choices.add("b");
> add(new DropDownChoice<String>("choice", new IModel<String>() {
> @Override
> public void detach() {
> }
> @Override
> public String getObject() {
> return choice;
> }
> @Override
> public void setObject(String object) {
> choice = object;
> }
>
> }, choices).add(new OnChangeAjaxBehavior() {
> @Override
> protected void onUpdate(AjaxRequestTarget target) {
> System.out.println(choice);
> }
>
> }));
> }
> }
> {code}
> This simple page prints out choosed value via OnChangeAjaxBehavior, it works
> fine if you access the page via http://localhost:8080. However it always
> prints "null" if you access the page with a request parameter the same name
> as the wicket id, for instance: http://localhost:8080/?choice=somevalue
> It works again if you use different value for wicket id of the choice
> component and request parameter.
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