SpringBoot启动报错如下
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-05-06 21:27:18.275 ERROR 10968 --- [ main] 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).
Process finished with exit code 1
把这个依赖注释掉就好了
原因
应用没有使用到DataSource，但是在pom.xml里引入了mybatis-spring-boot-starter
问题解决办法
有两种：
把mybatis-spring-boot-starter的依赖去掉，这样就不会触发spring boot相关的代码
把spring boot自动初始化DataSource相关的代码禁止掉
禁止的办法有两种：
在启动类的@SpringBootApplication加上
@SpringBootApplication(exclude = { DataSourceAutoConfiguration.class, DataSourceTransactionManagerAutoConfiguration.class })
在application.properties里配置：
spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration,org.springframework.boot.autoconfigure.jdbc.DataSourceTransactionManagerAutoConfiguration
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