启动SpringBoot项目，报错：无法配置数据源：未指定“url”属性，并且无法配置嵌入式数据源。求解求解

青旅半醒 2023-09-30 07:52 6阅读 0赞

### 之前一直好好的，今天不知道删了什么，然后运行就报错了。其他项目运行也报一样的错。卡一上午了![cd8fda1b16344a6abd630d50cee82b56.png][] ###

### 1. 报错代码 ###

![watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBA6Lev6YGl5Y-25a2Q_size_20_color_FFFFFF_t_70_g_se_x_16][]

### 2. application.yml ###

#端口号
    server:
      port: 8888
    #服务名
    spring:
      datasource:
        driverClassName: com.mysql.jdbc.Driver
        url: jdbc:mysql://localhost:3306/day8_mybatis_1103?useUnicode=true&characterEncoding=utf8
        username: root
        password: '1234'
        druid:    #druid 连接池配置
          initial-size: 1       #初始化连接池大小
          min-idle: 1           #最小连接数
          max-active: 20        #最大连接数
          test-on-borrow: true  #获取连接时候验证，会影响性能

### 3. pom.xml ###

<?xml version="1.0" encoding="UTF-8"?>
    <project xmlns="http://maven.apache.org/POM/4.0.0"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
        <modelVersion>4.0.0</modelVersion>
    
        <groupId>com.czxy</groupId>
        <artifactId>day8_boot_student_html</artifactId>
        <packaging>pom</packaging>
        <version>1.0-SNAPSHOT</version>
    
        
        <parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>2.2.5.RELEASE</version>
        </parent>
    
        
        <properties>
            <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
            <java.version>1.8</java.version>
            <spring-cloud-release.version>Hoxton.SR3</spring-cloud-release.version>
            <nacos.version>1.1.0</nacos.version>
            <alibaba.cloud.version>2.2.1.RELEASE</alibaba.cloud.version>
            <mybatis.starter.version>1.3.2</mybatis.starter.version>
            <mapper.starter.version>2.0.2</mapper.starter.version>
            <pageHelper.starter.version>1.2.5</pageHelper.starter.version>
            <mysql.version>5.1.32</mysql.version>
            <durid.starter.version>1.1.10</durid.starter.version>
            <mybatis.plus.version>3.4.0</mybatis.plus.version>
            <swagger.version>2.7.0</swagger.version>
            <jwt.jjwt.version>0.9.0</jwt.jjwt.version>
            <jwt.joda.version>2.9.7</jwt.joda.version>
            <beanutils.version>1.9.3</beanutils.version>
        </properties>
    
        
        <dependencies>
            
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-web</artifactId>
            </dependency>
            
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-test</artifactId>
            </dependency>
            
            <dependency>
                <groupId>org.mybatis.spring.boot</groupId>
                <artifactId>mybatis-spring-boot-starter</artifactId>
                <version>${mybatis.starter.version}</version>
            </dependency>
            
            <dependency>
                <groupId>tk.mybatis</groupId>
                <artifactId>mapper-spring-boot-starter</artifactId>
                <version>${mapper.starter.version}</version>
            </dependency>
            
            <dependency>
                <groupId>com.github.pagehelper</groupId>
                <artifactId>pagehelper-spring-boot-starter</artifactId>
                <version>${pageHelper.starter.version}</version>
            </dependency>
    
            
            <dependency>
                <groupId>mysql</groupId>
                <artifactId>mysql-connector-java</artifactId>
                <version>${mysql.version}</version>
            </dependency>
    
            
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>druid-spring-boot-starter</artifactId>
                <version>${durid.starter.version}</version>
            </dependency>
    
            
            <dependency>
                <groupId>io.springfox</groupId>
                <artifactId>springfox-swagger2</artifactId>
                <version>${swagger.version}</version>
            </dependency>
            <dependency>
                <groupId>io.springfox</groupId>
                <artifactId>springfox-swagger-ui</artifactId>
                <version>${swagger.version}</version>
            </dependency>
            
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
            </dependency>
    
            
            <dependency>
                <groupId>org.apache.commons</groupId>
                <artifactId>commons-lang3</artifactId>
                <version>3.11</version>
            </dependency>
        </dependencies>
    </project>

## 求解求解！！！![23385d3b541644d3b59102efad9cf69d.png][] ##

[cd8fda1b16344a6abd630d50cee82b56.png]: https://img-blog.csdnimg.cn/cd8fda1b16344a6abd630d50cee82b56.png
[watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBA6Lev6YGl5Y-25a2Q_size_20_color_FFFFFF_t_70_g_se_x_16]: https://img-blog.csdnimg.cn/691ea2bbfa8b45b5970ab1f6fab6d29a.png?x-oss-process=image/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBA6Lev6YGl5Y-25a2Q,size_20,color_FFFFFF,t_70,g_se,x_16
[23385d3b541644d3b59102efad9cf69d.png]: https://img-blog.csdnimg.cn/23385d3b541644d3b59102efad9cf69d.png