Looking for logging into the Wicket Internal Error site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Wicket Internal Error site. After that you can login as usual with your login credentials.
https://cwiki.apache.org/confluence/display/WICKET/Error+Pages+and+Feedback+Messages
http://apache-wicket.1842946.n4.nabble.com/Internal-error-parsing-wicket-interface-6-td1887921.html
https://stackoverflow.com/questions/48784946/wicket-error-pages-not-working
https://wicket.wordpress.com/2009/12/11/customized-error-pages/
https://github.com/thombergs/wicket-errorhandling-example/blob/master/src/main/java/org/wickedsource/WicketApplication.java
https://seti.afip.gob.ar/aplicativos/app/?wicket:interface=:21:::
https://forum.servoy.com/viewtopic.php?f=34&t=15117
https://books.google.de/books?id=0mh4DwAAQBAJ&pg=PA10&lpg=PA10&dq=wicket+login+internal+error
https://www.programcreek.com/java-api-examples/?class=org.apache.wicket.settings.IApplicationSettings&method=setInternalErrorPage
https://groups.google.com/d/topic/dcm4che/JjK_0WxrEd4
https://forum.inductiveautomation.com/t/internal-error-when-domain-contr-is-not-reachable/9969
https://dcm4che.atlassian.net/browse/WEB-705
https://www.mail-archive.com/search?l=users@wicket.apache.org&q=subject:%22Internal+error+parsing+wicket%5C%3Ainterface%22&o=newest&f=1