At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
这样的问题是你的页面中含有<!---->的注释 去掉就好了，tomcat7.0.20.
