Failed to configure a DataSource: ‘url‘ attribute is not specified and no embedded datasource could

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

Failed to configure data source ： Not specified “url” attribute , Unable to configure embedded data source .

reason ： Failed to determine the appropriate driver level

Error reporting solutions

1. @SpringBootApplication(exclude = {DataSourceAutoConfiguration.class})

exclude, Exclude such AutoConfig, That is to prohibit SpringBoot Auto inject data source configuration

2. Configure data sources

1. First, import. pom Dependency in

		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
		</dependency>

2. stay application.yml Configure connection database in file

spring:
  datasource:
    url: jdbc:mysql://localhost:3306/blogsys?useUnicode=true&characterEncoding=UTF-8&serverTimezone=UTC
    username: root
    password: qwer
    driver-class-name: com.mysql.jdbc.Driver