javax.validation.ValidationException: Unable to create a Configuration解决办法

解决办法：
在pom.xml文件中加入

<dependency>
    <groupId>org.hibernate</groupId>
    <artifactId>hibernate-validator</artifactId>
    <version>5.2.1.Final</version>
</dependency>
<dependency>
    <groupId>org.hibernate</groupId>
    <artifactId>hibernate-validator-annotation-processor</artifactId>
    <version>5.2.1.Final</version>
</dependency>

或者下载hibernate-validator-4.2.0.Final.jar文件放到lib中，下载地址「https://mvnrepository.com/artifact/org.hibernate/hibernate-validator/4.2.0.Final」