不能在eclipse中运行Spring Boot项目

Question

我正在尝试为Java项目学习eclipse。我使用初始化器（https://start.Spring.io/）使用Spring Web的依赖项设置Spring Boot。我试图在eclipse中构建我的项目，并得到以下错误

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::                (v2.5.2)


2021-07-05 12:20:50.248  INFO 23536 --- [           main] o.s.boot.SpringApplication               : Starting SpringApplication v2.5.2 using Java 11.0.2 on MSI with PID 23536 (C:\Users\user\.m2\repository\org\springframework\boot\spring-boot\2.5.2\spring-boot-2.5.2.jar started by user in C:\Users\user\Downloads\app)
2021-07-05 12:20:50.252  INFO 23536 --- [           main] o.s.boot.SpringApplication               : No active profile set, falling back to default profiles: default
2021-07-05 12:20:50.445 ERROR 23536 --- [           main] o.s.boot.SpringApplication               : Application run failed

java.lang.IllegalArgumentException: Sources must not be empty
    at org.springframework.util.Assert.notEmpty(Assert.java:470) ~[spring-core-5.3.8.jar:5.3.8]
    at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:425) ~[spring-boot-2.5.2.jar:2.5.2]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:337) ~[spring-boot-2.5.2.jar:2.5.2]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1343) ~[spring-boot-2.5.2.jar:2.5.2]
    at org.springframework.boot.SpringApplication.main(SpringApplication.java:1359) ~[spring-boot-2.5.2.jar:2.5.2]

有什么想法吗？

Answer 1

也许你开错班了。运行用@springbootapplication注释的类