springboot搭建时maven加载不成功

springboot搭建时maven加载不成功

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   : 

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APPLICATION FAILED TO START
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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