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Code between sessionFactory.openSession() and session.close():

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In my application ,there is a exception happend ,who can give me a help:

信息: cache provider: net.sf.ehcache.hibernate.Provider
net.sf.hibernate.HibernateException: could not instantiate CacheProvider: net.sf.ehcache.hibernate.Provider
at net.sf.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:133)
at net.sf.hibernate.cfg.Configuration.buildSettings(Configuration.java:1119)

You need the ehcache jar in your classpath, probably in the same directory as your hibernate jar.

You should use:

hibernate.cache.provider_class=net.sf.hibernate.cache.EhCacheProvider