我不知道是什么问题。尝试为大学项目安装 maven。我已经按照此处的说明安装了 Maven 。图片环境变量，cmd中的maven版本 我也尝试删除.m2文件。当我尝试通过 InteliJ 中的插件安装 maven 时，我收到消息：“进程终止”，没有额外信息。然后我尝试使用 mvn clean install 在终端上安装，我得到了这个。
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for com.college:sprinttool:jar:0.0.1-SNAPSHOT
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: org.springframework.boot:spring-boot-starter-data-jpa:jar -> duplicate declaration of version (?) @ line 50, column 15
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: org.springframework.boot:spring-boot-starter-test:jar -> duplicate declaration of version (?) @ line 55, column 15
[WARNING]
[WARNING] It is highly recommended to fix these problems because …当我运行我的网络应用程序时抛出以下错误。
Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration': Unsatisfied dependency expressed through constructor parameter 0; nested exception is 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
抛出错误的描述如下，
Description:
Failed to configure a DataSource: 'url' attribute is …