报错信息如下
HTTP Status 405 - HTTP method GET is not supported by this URL
type Status report
message HTTP method GET is not supported by this URL
description The specified HTTP method is not allowed for the requested resource.
Apache Tomcat/7.0.75
原因是在覆盖doPost或者doGet的时候忘记去掉super.doGet或则super.doPost了，去掉就好了。