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<>1.问题描述
启动报错
Description: Failed to configure a DataSource: 'url' attribute is not
specified and no embedded datasource could be configured. Reason: Failed to
determine a suitable driverclass Action: Consider the following: If you want an
embeddeddatabase (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
activateit (no profiles are currently active).
需要的依赖也导入了
<dependency> <groupId>com.baomidou</groupId> <artifactId>
mybatis-plus-boot-starter</artifactId> <version>3.4.1</version> </dependency> <
dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</
artifactId> <version>8.0.17</version> </dependency>
数据库的配置也没问题的
server.port=9080 spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.url=jdbc:mysql://192.168.56.103/gulimall_pms?useUnicode=true&
characterEncoding=utf8 spring.datasource.username=root spring.datasource.
password=root mybatis-plus.mapper-locations=classpath:/mapper/**/*.xml mybatis-
plus.global-config.db-config.id-type=auto
<>2.原因发现
找了很久,发现是编译后resources目录里的文件没有出现在target目录下, 也就是resources未编译
因为我们运行时执行的是target目录下的文件, 而这里没有配置文件,所以报错了
<>3.解决方案
把 <packaging>pom</packaging>删掉
因为分模块管理，都会有一个父级项目，pom文件一个重要的属性就是packaging（打包类型），一般来说所有的父级项目的packaging都为pom，packaging默认类型jar类型，如果不做配置，maven会将该项目打成jar包
<groupId>com.atguigu.gulimall</groupId> <artifactId>gulimall-product</
artifactId> <version>0.0.1-SNAPSHOT</version> <name>gulimall-product</name>
<!-- <packaging>pom</packaging>--> <description>谷粒商城-商品服务</description> <
properties>