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https://issues.apache.org/jira/browse/WICKET-6808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17168839#comment-17168839
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Emond Papegaaij commented on WICKET-6808:
-----------------------------------------
It's not that common to add the page to the AjaxRequestTarget I guess. In our
application I could only find 1 place where this happens. Fortunately, the
workaround is easy, just set {{setOutputMarkupId(true)}} on the page. This has
no effect at all (the markup id isn't rendered for the page), but works around
this issue.
> Cannot add page to AjaxRequestTarget
> ------------------------------------
>
> Key: WICKET-6808
> URL: https://issues.apache.org/jira/browse/WICKET-6808
> Project: Wicket
> Issue Type: Bug
> Components: wicket-core
> Affects Versions: 9.0.0
> Reporter: Emond Papegaaij
> Priority: Major
>
> The following code used to work in Wicket 8 and before and refresh the entire
> page:
> {code}
> @Override
> protected void onSaved(IPartialPageRequestHandler target) {
> target.add(findPage());
> }
> {code}
> In wicket 9 it gives:
> {code}
> java.lang.IllegalArgumentException: cannot update component that does not
> have setOutputMarkupId property set to true. Component: [Page class =
> nl.topicus.keyhub.web.pages.AccountProfielPage, id = 4, render count = 2]
> at
> deployment.keyhub-web-console.war//org.apache.wicket.core.request.handler.AbstractPartialPageRequestHandler.add(AbstractPartialPageRequestHandler.java:71)
> at
> deployment.keyhub-web-console.war//nl.topicus.keyhub.web.components.panel.AccountOverviewPanel$Config2FALink$1.onSaved(AccountOverviewPanel.java:61)
> at
> deployment.keyhub-web-console.war//nl.topicus.keyhub.web.components.contextpanel.TwoFactorAuthenticationConfigPanel$1.onSave(TwoFactorAuthenticationConfigPanel.java:59)
> at
> deployment.keyhub-web-console.war//nl.topicus.keyhub.web.components.panel.ContextPopupSubmitLink.onSubmit(ContextPopupSubmitLink.java:24)
> at
> deployment.keyhub-web-console.war//nl.topicus.keyhub.web.components.form.UpgradingSubmitLink.doSubmit(UpgradingSubmitLink.java:44)
> at
> deployment.keyhub-web-console.war//nl.topicus.keyhub.web.components.form.UpgradingSubmitLink.onSubmit(UpgradingSubmitLink.java:37)
> {code}
> Calling {{setOutputMarkupId(true)}} on the page fixes the error, but IMHO
> does not make much sense.
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