An attempt was made to call the method org.apache.catalina.connector.Connector.setProtocol(Ljava/lang/String;)V but it does not exist. Its class, org.apache.catalina.connector.Connector, springboot版本冲突的问题,版本用视频介绍的2.0.5.RELEASE
2.0.5.RELEASE现在都更新一下吧,版本锁定开发