This application has no explicit mapping for /error, so you are seeing this as a fallback.
Wed Dec 14 16:35:25 CST 2016
There was an unexpected error (type=Not Found, status=404).
No message available
spring-boot会自动加载启动类所在包下及其子包下的所有组件.
所以springboot启动类所在包的路径要在最外层，或者根层下