QA:Initialization of bean failed; nested exception is java.lang.AbstractMethodError

Q:

<hibernate.version>5.2.10.Final</hibernate.version><dependency>
  <groupId>org.springframework.data</groupId>
  <artifactId>spring-data-jpa</artifactId>
  <version>2.0.2.RELEASE</version>
</dependency>

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userDao': Initialization of bean failed; nested exception is java.lang.AbstractMethodError

A:

原因

1. 直接原因：不能实例化bean。
2. 间接原因：版本冲突

解决

降低 spring-data-jpa 的版本

<version>1.11.9.RELEASE</version>