Github user solomax commented on a diff in the pull request: https://github.com/apache/wicket/pull/253#discussion_r161121472 --- Diff: wicket-core/src/main/java/org/apache/wicket/ajax/AbstractDefaultAjaxBehavior.java --- @@ -106,8 +107,7 @@ public void renderHead(final Component component, final IHeaderResponse response RequestCycle requestCycle = component.getRequestCycle(); Url baseUrl = requestCycle.getUrlRenderer().getBaseUrl(); CharSequence ajaxBaseUrl = Strings.escapeMarkup(baseUrl.toString()); - response.render(JavaScriptHeaderItem.forScript("Wicket.Ajax.baseUrl=\"" + ajaxBaseUrl - + "\";", "wicket-ajax-base-url")); --- End diff -- this missing `id` attribute breaks `org.apache.wicket.util.tester.BaseWicketTester.getWicketAjaxBaseUrlEncodedInLastResponse()` .... Will set it back if there are no better solutions ...
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