Spring “中的错误”；构建RESTful Web服务“；

我是Spring框架的新手。我正在学习一门教程。在

下面是我的工作。
STS的版本是3.7.2
[菜单]-文件-新建-Spring starter项目
名称：rest服务
类型：渐变（STS）
包装：罐子
Java版本：1.8
组：com.example
工件：rest服务
版本：0.0.1-快照
描述：构建RESTful Web服务
包：com.example
单击[下一步]
不选择任何依赖项。
单击[下一步]
完整Url:
单击[完成]

复制和粘贴源
将“package hello；”更改为“package com.example；”

我点击了[Run As]-[Spring Boot App]，但很奇怪。如果我下载并运行该项目，它会很好。如果我创建一个项目并键入source，就会发生错误。我以为盖德·格雷德尔有问题。但我不太清楚

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v1.3.0.RELEASE)

2015-12-02 15:51:50.706  INFO 4808 --- [           main] com.example.RestServiceApplication       : Starting RestServiceApplication on John-PC with PID 4808 (C:\Users\John\Documents\workspace-sts-3.7.1.RELEASE\rest-service\bin started by John in C:\Users\John\Documents\workspace-sts-3.7.1.RELEASE\rest-service)
2015-12-02 15:51:50.708  INFO 4808 --- [           main] com.example.RestServiceApplication       : No profiles are active
2015-12-02 15:51:50.744  INFO 4808 --- [           main] s.c.a.AnnotationConfigApplicationContext : Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@45afc369: startup date [Wed Dec 02 15:51:50 KST 2015]; root of context hierarchy
2015-12-02 15:51:51.334  INFO 4808 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Registering beans for JMX exposure on startup
2015-12-02 15:51:51.343  INFO 4808 --- [           main] com.example.RestServiceApplication       : Started RestServiceApplication in 0.818 seconds (JVM running for 1.268)
2015-12-02 15:51:51.343  INFO 4808 --- [       Thread-1] s.c.a.AnnotationConfigApplicationContext : Closing org.springframework.context.annotation.AnnotationConfigApplicationContext@45afc369: startup date [Wed Dec 02 15:51:50 KST 2015]; root of context hierarchy
2015-12-02 15:51:51.345  INFO 4808 --- [       Thread-1] o.s.j.e.a.AnnotationMBeanExporter        : Unregistering JMX-exposed beans on shutdown

---

如何修复它？

日志中没有错误，那么问题是什么？确保您有

spring boot starter web

作为依赖项。@M.Deinum感谢您的帮助。我不太了解spring框架，gradle和maven。我看到了[Configure]-[Convert to Maven Project]和Convert to Maven。看到其他编写和修改pom.xml，该项目运行良好。

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v1.3.0.RELEASE)

2015-12-02 15:51:50.706  INFO 4808 --- [           main] com.example.RestServiceApplication       : Starting RestServiceApplication on John-PC with PID 4808 (C:\Users\John\Documents\workspace-sts-3.7.1.RELEASE\rest-service\bin started by John in C:\Users\John\Documents\workspace-sts-3.7.1.RELEASE\rest-service)
2015-12-02 15:51:50.708  INFO 4808 --- [           main] com.example.RestServiceApplication       : No profiles are active
2015-12-02 15:51:50.744  INFO 4808 --- [           main] s.c.a.AnnotationConfigApplicationContext : Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@45afc369: startup date [Wed Dec 02 15:51:50 KST 2015]; root of context hierarchy
2015-12-02 15:51:51.334  INFO 4808 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Registering beans for JMX exposure on startup
2015-12-02 15:51:51.343  INFO 4808 --- [           main] com.example.RestServiceApplication       : Started RestServiceApplication in 0.818 seconds (JVM running for 1.268)
2015-12-02 15:51:51.343  INFO 4808 --- [       Thread-1] s.c.a.AnnotationConfigApplicationContext : Closing org.springframework.context.annotation.AnnotationConfigApplicationContext@45afc369: startup date [Wed Dec 02 15:51:50 KST 2015]; root of context hierarchy
2015-12-02 15:51:51.345  INFO 4808 --- [       Thread-1] o.s.j.e.a.AnnotationMBeanExporter        : Unregistering JMX-exposed beans on shutdown