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https://issues.apache.org/jira/browse/WICKET-2851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12861615#action_12861615
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Martin Petras commented on WICKET-2851:
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I found an issue that also describes similar problems with Opera browser. See
WICKET-2246
> Ajax responses do not update DOM correctly on Opera
> ---------------------------------------------------
>
> Key: WICKET-2851
> URL: https://issues.apache.org/jira/browse/WICKET-2851
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 1.4.7
> Environment: This issue affects just Opera, my tested version is
> 10.52.
> Other browsers I tested but are not affected by the issue: Firefox 3.6.3, IE
> 8.0, Chrome 4.1.249.1059.
> Application was deployed on Apache Tomcat 5.5.28 and Jetty 6.1.6.
> Everything runs on MS Win 7 Ultimate x64.
> Reporter: Martin Petras
> Attachments: test.zip
>
>
> Having following example:
> ========= HTML ==========
> <table>
> <tr><td><button wicket:id="btnShowHide">Show/Hide</button></td></tr>
> <tr wicket:id="hidingContainer"><td>something goes here...</td></tr>
> </table>
> ========= PAGE ==========
> final Component hidingContainer;
> this.add(hidingContainer = new
> WebMarkupContainer("hidingContainer").setOutputMarkupId(
> true).setOutputMarkupPlaceholderTag(true).setVisible(true));
>
> this.add(new AjaxFallbackLink<Void>("btnShowHide"){
> @Override
> public void onClick(AjaxRequestTarget target) {
> hidingContainer.setVisible(!hidingContainer.isVisible());
> target.addComponent(hidingContainer);
> }
> });
> On Opera browser it works well only once. Afterwards it is not possible to
> show/hide hidingContainer.
> Ajax response doesn't update hidingContainer's DOM properly. Response is
> correct, however after replacing existing html code with an incomming html
> the TR tag looses its ID attribute. Hence the following Ajax response fails
> to update the TR tag and throws error:
> ERROR: Wicket.Ajax.Call.processComponent: Component with id
> [[hidingContainer4]] a was not found while trying to perform markup update.
> This problem occurs only when hidingContainer is in a TR tag. If replaced
> with <p>, everything works like a charm.
> It must be a bug in the Opera browser but maybe there is any workaround that
> may get it work.
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