Maven   hibernate-ehcache 和hibernate-core版本需要一致

	<dependency>
			<groupId>org.hibernate</groupId>
			<artifactId>hibernate-core</artifactId>
			<version>${hibernate.version}</version>
		</dependency>

<!-- https://mvnrepository.com/artifact/net.sf.ehcache/ehcache -->
		<dependency>
			<groupId>net.sf.ehcache</groupId>
			<artifactId>ehcache</artifactId>
			<version>2.10.3</version>
		</dependency>
		<!-- https://mvnrepository.com/artifact/org.hibernate/hibernate-ehcache -->
		<dependency>
			<groupId>org.hibernate</groupId>
			<artifactId>hibernate-ehcache</artifactId>
			<version>5.1.12.Final</version>
		</dependency>
 

    不然會出現下面的 錯，網上找了半天沒有找到，自己弄一個方便以後查詢