<property name="hibernate.cache.provider_calss">org.hibernate.cache.EhCacheProvider</property>
<property name="hibernate.cache.use_second_level_cache">true</property>
<property name="hibernate.cache.use_query_cache">true</property>
在相应的bean.hbm.xml也有 <cache usage="read-only"/>在执行 Configuration cfg=new Configuration().configure();
SessionFactory sf=cfg.buildSessionFactory();
到SessionFactory sf=cfg.buildSessionFactory();
这句的时候就抛出异常了18:54:04,734 WARN CacheFactory:43 - read-only cache configured for mutable class: lilong.ll.Emploee
Exception in thread "main" org.hibernate.HibernateException: Could not instantiate cache implementation
at org.hibernate.cache.CacheFactory.createCache(CacheFactory.java:64)
at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:214)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1294)
at lilong.ll.testmain.main(testmain.java:15)
Caused by: org.hibernate.cache.NoCachingEnabledException: Second-level cache is not enabled for usage [hibernate.cache.use_second_level_cache | hibernate.cache.use_query_cache]
at org.hibernate.cache.NoCacheProvider.buildCache(NoCacheProvider.java:21)
at org.hibernate.cache.CacheFactory.createCache(CacheFactory.java:61)
... 3 more
<property name="hibernate.cache.use_second_level_cache">true</property>
<property name="hibernate.cache.use_query_cache">true</property>
在相应的bean.hbm.xml也有 <cache usage="read-only"/>在执行 Configuration cfg=new Configuration().configure();
SessionFactory sf=cfg.buildSessionFactory();
到SessionFactory sf=cfg.buildSessionFactory();
这句的时候就抛出异常了18:54:04,734 WARN CacheFactory:43 - read-only cache configured for mutable class: lilong.ll.Emploee
Exception in thread "main" org.hibernate.HibernateException: Could not instantiate cache implementation
at org.hibernate.cache.CacheFactory.createCache(CacheFactory.java:64)
at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:214)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1294)
at lilong.ll.testmain.main(testmain.java:15)
Caused by: org.hibernate.cache.NoCachingEnabledException: Second-level cache is not enabled for usage [hibernate.cache.use_second_level_cache | hibernate.cache.use_query_cache]
at org.hibernate.cache.NoCacheProvider.buildCache(NoCacheProvider.java:21)
at org.hibernate.cache.CacheFactory.createCache(CacheFactory.java:61)
... 3 more
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<property name="hibernate.cache.use_query_cache">false</property>
必须把这俩个设置为false就能正常运行 可我又必须要2级缓存 么办
Hibernate本身就不支持2级缓存,他是通过第三方产品来进行2级缓存的管理,配置第三方缓存的例子你可以到网上找一下