SpringBoot启动时的异常信息

"C:\Program Files\Java\jdk1.8.0_161\bin\java" ......... com.fangxing.javalearning.annotationlearning.ComponentScanApp
hello world.   ____          _            __ _ _/\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \\\/  ___)| |_)| | | | | || (_| |  ) ) ) )'  |____| .__|_| |_|_| |_\__, | / / / /=========|_|==============|___/=/_/_/_/:: Spring Boot ::        (v2.0.0.RELEASE)2018-04-03 22:25:07.232  INFO 4976 --- [           main] c.f.j.a.ComponentScanApp                 : Starting ComponentScanApp on DESKTOP-BHGM3HS with PID 4976 (started by hasee in D:\test\projects\java-learning)
2018-04-03 22:25:07.237  INFO 4976 --- [           main] c.f.j.a.ComponentScanApp                 : No active profile set, falling back to default profiles: default
2018-04-03 22:25:07.321  INFO 4976 --- [           main] ConfigServletWebServerApplicationContext : Refreshing org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@45f45fa1: startup date [Tue Apr 03 22:25:07 CST 2018]; root of context hierarchy
2018-04-03 22:25:07.664  WARN 4976 --- [           main] ConfigServletWebServerApplicationContext : 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.2018-04-03 22:25:08.238 ERROR 4976 --- [           main] o.s.boot.SpringApplication               : Application run failedorg.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.context.ApplicationContextException: Unable to start ServletWebServerApplicationContext due to missing ServletWebServerFactory bean.at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:155) ~[spring-boot-2.0.0.RELEASE.jar:2.0.0.RELEASE]at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) ~[spring-context-5.0.4.RELEASE.jar:5.0.4.RELEASE]at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140) ~[spring-boot-2.0.0.RELEASE.jar:2.0.0.RELEASE]at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:752) [spring-boot-2.0.0.RELEASE.jar:2.0.0.RELEASE]at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:388) [spring-boot-2.0.0.RELEASE.jar:2.0.0.RELEASE]at org.springframework.boot.SpringApplication.run(SpringApplication.java:327) [spring-boot-2.0.0.RELEASE.jar:2.0.0.RELEASE]at org.springframework.boot.SpringApplication.run(SpringApplication.java:1246) [spring-boot-2.0.0.RELEASE.jar:2.0.0.RELEASE]at org.springframework.boot.SpringApplication.run(SpringApplication.java:1234) [spring-boot-2.0.0.RELEASE.jar:2.0.0.RELEASE]at com.fangxing.javalearning.annotationlearning.ComponentScanApp.main(ComponentScanApp.java:15) [classes/:na]
Caused by: org.springframework.context.ApplicationContextException: Unable to start ServletWebServerApplicationContext due to missing ServletWebServerFactory bean.at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.getWebServerFactory(ServletWebServerApplicationContext.java:204) ~[spring-boot-2.0.0.RELEASE.jar:2.0.0.RELEASE]at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:178) ~[spring-boot-2.0.0.RELEASE.jar:2.0.0.RELEASE]at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:152) ~[spring-boot-2.0.0.RELEASE.jar:2.0.0.RELEASE]... 8 common frames omittedProcess finished with exit code 1

错误的产生是：未能加载嵌入的供web应用加载的空间，是因为缺少ServletWebServerFactory bean

解决方案： 添加@EnableAutoConfiguration注解