http://stackoverflow.com/questions/12561932/apache-catalina-error-severe-error-listenerstart
http://tomcat.apache.org/tomcat-6.0-doc/logging.html
http://mythinkpond.com/2011/07/01/tomcat-6-infamous-severe-error-listenerstart-message-how-to-debug-this-error/
http://xpenxpen.iteye.com/blog/1545648
http://blog.trifork.com/2011/03/18/debugging-the-dreaded-severe-error-listenerstart-and-severe-error-filterstart-tomcat-error-messages/
http://phoenix-mvp.iteye.com/blog/1914776
Apache Catalina Error:- “SEVERE: Error listenerStart”
原文：http://www.cnblogs.com/majia1949/p/4300449.html