报错信息如下：

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2023-04-20 12:47:39.014 ERROR 19260 --- [           main] o.s.boot.SpringApplication               : Application run failed

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'serviceInterImpl': Unsatisfied dependency expressed through field 'userDao'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userDao' defined in URL [jar:file:/home/server/JavaProject/maven_spring_music_01/target/maven_spring_music_01-0.0.1-SNAPSHOT.jar!/BOOT-INF/classes!/com/tbb/global/dao/UserDao.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [org/mybatis/spring/boot/autoconfigure/MybatisAutoConfiguration.class]: Unsatisfied dependency expressed through method 'sqlSessionFactory' 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$Generic.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.sql.DataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: com.mysql.cj.jdbc.Driver
 

之前我也找了很久的这个解决方案，发现很多方法解决不了，于是自己又摸索了一下，后面发现报错里提到了有关jdbc的问题 

 然后我就去项目的pom.xml文件看了，发现是我mysql依赖弄错了scope，写成版本号了

 之后，解决办法就是改成如下图，之后重新打包运行就正常了