1、错误信息
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2022-01-02 21:45:37.900 ERROR 35068 --- [ restartedMain] o.s.b.d.LoggingFailureAnalysisReporter : *************************** APPLICATION FAILED TO START *************************** Description: Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured. Reason: Failed to determine a suitable driver class Action: Consider the following: If you want an embedded database (H2, HSQL or Derby), please put it on the classpath. If you have database settings to be loaded from a particular profile you may need to activate it (no profiles are currently active). Disconnected from the target VM, address: '127.0.0.1:51843', transport: 'socket'
2、分析原因
描述：没有配置数据源，未能确定合适的驱动程序类
原因：pom文件中添加了mybatis依赖，但是没有配置连接数据库的url、用户名user 、和密码 password
3、解决方法
方法一：添加数据库连接配置
方法二：在程序入口文件中新增配置注解 “exclude=DataSourceAutoConfiguration.class ”
方法三：pom中注释掉mybatis和jdbc
