No active profile set, falling back to default profiles: default

2019-09-29 17:12:22.933  INFO 8244 --- [           main] c.q.springboot.SpringbootApplication     : Starting SpringbootApplication on DESKTOP-RG5H19V with PID 8244 (D:\nums-project\springboot\target\classes started by 12629 in D:\nums-project\springboot)
2019-09-29 17:12:22.938  INFO 8244 --- [           main] c.q.springboot.SpringbootApplication     : No active profile set, falling back to default profiles: default
2019-09-29 17:12:23.618  INFO 8244 --- [           main] c.q.springboot.SpringbootApplication     : Started SpringbootApplication in 1.19 seconds (JVM running for 2.382)
Disconnected from the target VM, address: '127.0.0.1:52345', transport: 'socket'

剛剛創建的項目,啟動時候報錯為:No active profile set, falling back to default profiles: default

原來是因為缺少了springmvc的依賴:

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>