+ <dependency>
+ <groupId>javax.persistence</groupId>
+ <artifactId>persistence-api</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.springframework</groupId>
+ <artifactId>spring-jpa</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>concurrent</groupId>
+ <artifactId>concurrent</artifactId>
+ </dependency>