Springboot引入jpa时启动失败，撤销之后又能正常启动

Question

使用工具是STS，springboot+maven；在pom.xml中引入<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-jpa</artifactId> </dependency>后启动报错！错误信息如下：Error starting ApplicationContext. To display the auto-configuration report re-run your application with 'debug' enabled.2017-07-03 11:41:01.291 ERROR 3312 --- [           main] o.s.boot.SpringApplication               : Application startup failedorg.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguration.class]: Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: javassist/bytecode/ClassFile怎么解决？求大牛帮忙科普下。。。

Answer 1

配置里面不要dhcp

比如下面：

spring:

 profiles:

   active: dev

 datasource:

   driver-class-name: com.mysql.jdbc.Driver

   url: jdbc:mysql://127.0.0.1:3306/dbgirl

   username: root

   password: 123456

 jpa:

   hibernate:

     ddl-auto: create

   show-sql: true