About Using Ehcache with Tomcat
Ehcache is probably used most commonly with Tomcat. This page documents some known issues with Tomcat and recommended practices. Ehcache's own caching and gzip filter integration tests run against Tomcat 5.5 and Tomcat 6. Tomcat will continue to be tested against Ehcache. Accordingly, Tomcat is tier one for Ehcache.