Recent experience when I learn springboot, learned this wrong, a lot of online search, not changed, and later found his class configuration does not add @SpringBootApplication comment
Exception encountered during context initialization - cancelling refresh attempt: org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.context.ApplicationContextException: Unable to start ServletWebServerApplicationContext due to missing ServletWebServerFactory bean.
2019-10-03 21:22:36.066 ERROR 6408 --- [ main] o.s.boot.SpringApplication : Application run failed
package com.example.demo.freemarker; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; /** * @Description : * @Author: * @Date: 2019/10/3 21:13 */ @SpringBootApplication public class AppConfig { public static void main(String[] args) { SpringApplication.run(AppConfig.class,args); } }
nested exception is org.springframework.context.ApplicationContextException: Unable to start ServletWebServerApplicationContext due to missing ServletWebServerFactory bean.