加入spring-boot-starter-data-jpa依赖报错，详情如下
来源：5-3 负载均衡器：Ribbon
慕容8210840
2020-12-03
2020-11-25 23:42:47.444 WARN 8952 — [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘entityManagerFactory’ defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguration.class]: Unsatisfied dependency expressed through method ‘entityManagerFactory’ parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘entityManagerFactoryBuilder’ defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguration.class]: Unsatisfied dependency expressed through method ‘entityManagerFactoryBuilder’ parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘jpaVendorAdapter’ defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.JpaVendorAdapter]: Factory method ‘jpaVendorAdapter’ threw exception; nested exception is java.lang.NoClassDefFoundError: com/mysql/jdbc/ConnectionProperties
2回答
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廖师兄
2020-12-04
数据库版本不对。电脑上mysql软件和项目里pom.xml里的mysql依赖都要用课程里说的版本
00 -
慕容8210840
提问者
2020-12-03
idea版本2018.2 。product服务刚开始，yml:
spring:
application:
name: product
datasource:
driver-class-name: com.mysql.jdbc.Driver
username: root
password: oppo123
url: jdbc:mysql://127.0.0.1/SpringCloud_Sell?characterEncoding=utf-8&useSSL=false
jdbc-url:
jpa:
show-sql: true
eureka:
client:
service-url:
defaultZone: http://localhost:8761/eureka/00
SpringCloud Finchley(M2+RELEASE+SR2)微服务实战
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