Since version 2.3.28, the "struts2-tiles-plugin" API introduce a new listener (StrutsWildcardServletTilesApplicationContext).
This listener make a call to ServletContext.getRealPath method.
However this method can't be used with a tomcat "unpackWARs=false" deployment scheme (https://wiki.apache.org/tomcat/RemoveUnpackWARs).
Cause when war file is not exploded, this method return always "null".
So i get a NullPointerException during context loading !
Could you restore a classpath context loading ? As in the previous version ?