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https://issues.apache.org/jira/browse/WICKET-6340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15930672#comment-15930672
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Sven Meier commented on WICKET-6340:
------------------------------------
The problem shows up with content type "application/xhtml+xml" - a XHTML
doctype in the markup is not enough to trigger it.
Note: To change the content type it's easier to just override #getMarkupType()
in your page:
{code}
@Override
public MarkupType getMarkupType()
{
return new MarkupType("html", MarkupType.XML_MIME);
}
{code}
> The Ajax reponse of an AjaxSubmitButton creates invalid XHTML markup for
> multipart forms
> ----------------------------------------------------------------------------------------
>
> Key: WICKET-6340
> URL: https://issues.apache.org/jira/browse/WICKET-6340
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 7.6.0, 6.26.0
> Environment: Jetty 9, Fedora 25
> Reporter: Marcus
> Priority: Minor
> Labels: patch, triaged
> Attachments: wicket-ajax-jquery-iframe.zip, wicket-ajax-jquery.patch
>
>
> My web pages are delivered as XHTML5
> ({{response.setContentType("application/xhtml+xml");}}). When I add a
> multipart form and submit a file, I get strange JavaScript errors about
> invalid or illegal strings.
> {quote}
> Wicket.Ajax: An error occurred while executing Ajax request:SyntaxError: An
> invalid or illegal string was specified
> XML Parsing Error: mismatched tag. Expected: </iframe>.
> Address:
> Row Nr. 1, Column 202:
> {quote}
> I found out that Wicket’s Ajax code is responsible for those problems.
> {code:title=wicket-ajax-jquery.js, row 70|borderStyle=solid}
> createIFrame = function (iframeName) {
> var $iframe = jQuery('<iframe name="'+iframeName+'" id="'+iframeName+
> '" src="about:blank" style="position: absolute; top: -9999px; left:
> -9999px;">');
> return $iframe[0];
> };
> {code}
> The iframe tag isn’t closed. This is fine for HTML5, but not for XHTML5.
> I have attached a quite minimal Wicket project were the problems can be
> examined:
> {code}
> mkdir wicket-ajax-jquery-iframe
> mv wicket-ajax-jquery-iframe.zip wicket-ajax-jquery-iframe
> cd wicket-ajax-jquery-iframe
> unzip wicket-ajax-jquery-iframe.zip
> mvn package
> mvn jetty:run-war
> {code}
> Open your browser’s console and upload any file on localhost:8080.
> A patch which fixes this issued is attached. Thanks for your help.
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