springboot启动报错Failed to configure a DataSource
2018-11-21 19:43:12.076 WARN 5392 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception; nested exception is org.springframework.boot.autoconfigure.jdbc.DataSourceProperties$DataSourceBeanCreationException: Failed to determine a suitable driver class
2018-11-21 19:43:12.076 INFO 5392 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Shutting down ExecutorService 'applicationTaskExecutor'
2018-11-21 19:43:12.081 INFO 5392 --- [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
2018-11-21 19:43:12.122 INFO 5392 --- [ main] ConditionEvaluationReportLoggingListener : Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2018-11-21 19:43:12.126 ERROR 5392 --- [ 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).
spring boot 会默认加载org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration这个类,而DataSourceAutoConfiguration类使用了@Configuration注解向spring注入了dataSource bean,又因为项目(eureka-server模块和短信模块)中并没有关于dataSource相关的配置信息,所以当spring创建dataSource bean时因缺少相关的信息就会报错。
解决办法:
1、在@SpringBootApplication注解上加上exclude,解除自动加载DataSourceAutoConfiguration。
---------------------
作者:迷雾骑士
来源:CSDN
原文:https://blog.csdn.net/u010448530/article/details/80840828
版权声明:本文为博主原创文章,转载请附上博文链接!
@EnableEurekaServer
@SpringBootApplication(exclude = DataSourceAutoConfiguration.class)
public class EurekaServerApplication {
public static void main(String[] args) {
SpringApplication.run(EurekaServerApplication.class, args);
}
}
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