org.hibernate.MappingException: could not instantiate id generator
at org.hibernate.id.IdentifierGeneratorFactory.create(IdentifierGeneratorFactory.java:97)
at org.hibernate.mapping.SimpleValue.createIdentifierGenerator(SimpleValue.java:152)
at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:182)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1176)
at stars.HibernateSessionFactory.rebuildSessionFactory(HibernateSessionFactory.java:60)
at stars.HibernateSessionFactory.getSession(HibernateSessionFactory.java:43)
at stars.struts.action.Pro_infoAction.main(Pro_infoAction.java:60)
Caused by: org.hibernate.MappingException: could not interpret id generator strategy: uuid.string
at org.hibernate.id.IdentifierGeneratorFactory.getIdentifierGeneratorClass(IdentifierGeneratorFactory.java:108)
at org.hibernate.id.IdentifierGeneratorFactory.create(IdentifierGeneratorFactory.java:91)
... 6 more
Exception in thread "main" java.lang.NullPointerException
at stars.struts.action.Pro_infoAction.main(Pro_infoAction.java:67)
at org.hibernate.id.IdentifierGeneratorFactory.create(IdentifierGeneratorFactory.java:97)
at org.hibernate.mapping.SimpleValue.createIdentifierGenerator(SimpleValue.java:152)
at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:182)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1176)
at stars.HibernateSessionFactory.rebuildSessionFactory(HibernateSessionFactory.java:60)
at stars.HibernateSessionFactory.getSession(HibernateSessionFactory.java:43)
at stars.struts.action.Pro_infoAction.main(Pro_infoAction.java:60)
Caused by: org.hibernate.MappingException: could not interpret id generator strategy: uuid.string
at org.hibernate.id.IdentifierGeneratorFactory.getIdentifierGeneratorClass(IdentifierGeneratorFactory.java:108)
at org.hibernate.id.IdentifierGeneratorFactory.create(IdentifierGeneratorFactory.java:91)
... 6 more
Exception in thread "main" java.lang.NullPointerException
at stars.struts.action.Pro_infoAction.main(Pro_infoAction.java:67)
楼主【ymydream】截止到2008-06-24 12:33:36的历史汇总数据(不包括此帖):
发帖数:1 发帖分:20
结贴数:0 结贴分:0
未结数:1 未结分:20
结贴率:0.00 % 结分率:0.00 %
如何结贴请参考这里:http://topic.csdn.net/u/20080501/09/ef7ba1b3-6466-49f6-9d92-36fe6d471dd1.html
那么自动生成是不可能了,你还是去掉自动生成,采用 assign 进行手工设置主键吧!