hibernate缓存异常：Could not instantiate cache implementation
在hibernate配置文件或者spring配置文件里加入hibernate缓存配置：
<property name="hibernate.cache.provider_class">org.hibernate.cache.EhCacheProvider</property>
<property name="hibernate.cache.use_second_level_cache">false</property>
<property name="hibernate.cache.use_query_cache">false</property>
