在我的应用程序中,我使用了hibernate-core-4.1.8 jar,并希望将ehCache用作第二级缓存。我当前使用的jar是ehcache- core-2.5.0。我将其放置在WebContetn / WEB-INF / lib文件夹中,并将其放置在类路径中。
我的hibernate.cfg.xml看起来像这样:
<hibernate-configuration> <session-factory> .... <property name="hibernate.cache.region.factory_class">org.hibernate.cache.ehcache.EhCacheRegionFactory</property> <property name="hibernate.cache.use_second_level_cache">true</property> <property name="hibernate.cache.use_query_cache">true</property> </session-factory> </hibernate-configuration>
放置在JavaResources / src文件夹中的ehcache.xml:
<ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="ehcache.xsd" updateCheck="true" monitoring="autodetect" dynamicConfig="true"> <defaultCache maxElementsInMemory="100000" eternal="false" timeToIdleSeconds="1000" timeToLiveSeconds="1000" overflowToDisk="false" /> </ehcache>
运行我的应用程序时,找不到org.hibernate.cache.ehcache.EhCacheRegionFactory类:
java.lang.ClassNotFoundException: Could not load requested class : org.hibernate.cache.ehcache.EhCacheRegionFactory at org.hibernate.service.classloading.internal.ClassLoaderServiceImpl$1.findClass(ClassLoaderServiceImpl.java:99) at java.lang.ClassLoader.loadClass(ClassLoader.java:423) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at org.hibernate.service.classloading.internal.ClassLoaderServiceImpl.classForName(ClassLoaderServiceImpl.java:138) at org.hibernate.cfg.SettingsFactory.createRegionFactory(SettingsFactory.java:444) at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:275) at org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2283) at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2279) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1748) at creator.controllers.MyFactory.<clinit>(MyFactory.java:18) at creator.controllers.SchoolDAO.getList(SchoolDAO.java:98) .....
您需要hibernate- ehcache.jar通过下载来包含它,或者您正在使用maven像这样将其放入您的依赖项中
hibernate- ehcache.jar
<dependency> <artifactId>hibernate-ehcache</artifactId> <groupId>org.hibernate</groupId> <version>4.0.0.CR6</version> </dependency>