You seem to have two XWiki instances running in the same servlet container (Jetty). See XWiki Not Working After apt-get update (500 Server Error) . Maybe you configured XWiki as root webapp and kept it also under the /xwiki context path.
You seem to have two XWiki instances running in the same servlet container (Jetty). See XWiki Not Working After apt-get update (500 Server Error) . Maybe you configured XWiki as root webapp and kept it also under the /xwiki context path.