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  • springboot启动报错 Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured.

    新建了一个springboot项目报一下错误:

    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

    原因是加入了mybatis依赖而没有指定数据库url属性,解决方式:

    1、去除mybatis依赖,即去除

    <dependency>
        <groupId>org.mybatis.spring.boot</groupId>
        <artifactId>mybatis-spring-boot-starter</artifactId>
        <version>2.0.0</version>
    </dependency>

    2、加入数据库相关的配置,即加上

    spring:
      datasource:
        url: jdbc:mysql://localhost:3306/db?useUnicode=true&characterEncoding=utf-8&autoReconnect=true&zeroDateTimeBehavior=convertToNull&allowMultiQueries=true&useSSL=false
        username: xxx
        password: xxx

    3、在启动类的@EnableAutoConfiguration或@SpringBootApplication中添加exclude = {DataSourceAutoConfiguration.class},排除此类的autoconfig。即

    @SpringBootApplication(exclude = DataSourceAutoConfiguration.class)  
    public class YourApplication {  
    
        public static void main(String[] args) {  
            SpringApplication.run(YourApplication.class, args);  
        }  
    }

    启动以后就可以正常运行。

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  • 原文地址:https://www.cnblogs.com/kingsonfu/p/10342222.html
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