springboot 常用错误处理

无法启动

缺少容器依赖

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

取消Mysql的runtime

<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <!--<scope>runtime</scope>-->
</dependency>