在eclipse->myeclipse->Application servers->tomcat->jdk->Optional Java VM Arguments 下写上如下
-Dorg.apache.tapestry.disable-caching=true
-Dorg.apache.tapestry.enable-reset-service=true
-Dorg.apache.tapestry.disable-caching=true
-Dorg.apache.tapestry.enable-reset-service=true