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https://issues.apache.org/jira/browse/WICKET-6415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16074777#comment-16074777
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Andrea Del Bene commented on WICKET-6415:
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bq. (which is quite funny that is also there wrong because that code was copy
n pasted from the wicket 7 examples )
Can you link the example? Thank you.
bq. Anyway, do you think that a more useful exception and explanation might be
possible for this?
mmm....for example? :-) We could add "Component not added or removed?"
> new Components added in AjaxRequest break with no Page found error
> ------------------------------------------------------------------
>
> Key: WICKET-6415
> URL: https://issues.apache.org/jira/browse/WICKET-6415
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 8.0.0-M1, 8.0.0-M2, 8.0.0-M3, 8.0.0-M4, 8.0.0-M5,
> 8.0.0-M6, 8.0.0-M7
> Environment: any
> Reporter: Korbinian Bachl
> Priority: Critical
> Attachments: ajaxDemoForWicket8.zip, ajaxErrorDemo.tar.gz
>
>
> run attached quickstart-project (code behind works well in wicket 7 and
> lower), enter anything into the ajaxfield to trigger the updatebehaviour and
> you get error:
> Unexpected RuntimeException
> Last cause: No Page found for component [Component id = history]
> Stacktrace
> Root cause:
> org.apache.wicket.WicketRuntimeException: No Page found for component
> [Component id = history]
> at org.apache.wicket.Component.getPage(Component.java:1755)
> at
> org.apache.wicket.ajax.AjaxRequestHandler.add(AjaxRequestHandler.java:231)
> at
> com.mycompany.demo.tile.AjaxDemoPanel$2.onUpdate(AjaxDemoPanel.java:118)
> at
> org.apache.wicket.ajax.form.AjaxFormComponentUpdatingBehavior.onEvent(AjaxFormComponentUpdatingBehavior.java:156)
> at
> org.apache.wicket.ajax.AjaxEventBehavior.respond(AjaxEventBehavior.java:151)
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