We have got serveral Wicket-based Wepapps on our server and in order to save space, we have move all shared libs (including wicket) into a shared folder which is included via the "common.loader" of the catalina.properties file. (Using Apache Tomcat/7.0.39)
The Problem is now, that StringResourceModel works normal, but the BundleStringResourceLoader doesn't work anymore. It always returns null.
How to reproduce:
Build attached quickstart
Remove wicket-libs from war
Deploy in Tomcat