a) What is the default for Max Active Sessions if not set in application
jmx data: jboss.web:type=Manager,path=/myapplication,host=localhost" activeSessions
b) What is
jboss.web:host=localhost:path=/web-console:type=Cache:accessCount
a) -1, which means unlimited
b) I think that has to do with the Tomcat string cache. You can read about it at http://tomcat.apache.org/tomcat-6.0-doc/config/systemprops.html