报错:Exception in thread "main" org.hibernate.exception.SQLGrammarException: Could not execute JDBC batch update 解决方法,把数据库方言MySQLInnoDBDialect改成MySQLDialect就可以了.…
在运行Hibernate Hello World程序的时候,抛如下错误: Exception in thread "main" org.hibernate.exception.LockAcquisitionException : Could not open connection at org.hibernate.exception.internal.SQLStateConversionDelegate.convert( SQLStateConversionDelegate.java:…
在spring4+hibernate4整合过程中,使用@Transactional注解事务会报"Exception in thread "main" org.hibernate.HibernateException: save is not valid without active transaction"错误,具体错误如下: Exception in thread "main" org.hibernate.HibernateException:…
如果出现类似下面的错误: Exception in thread "main" org.hibernate.MappingException: You may only specify a cache for root <class> mappings at org.hibernate.cfg.Configuration.getRootClassMapping(Configuration.java:2724) at org.hibernate.cfg.Configurati…
今天在使用一对多,多对一保存数据的时候出现了这个错误 Hibernate错误: Exception in thread "main" org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance before flushing: zhongfucheng.domain.Employee 为啥出现这个错误呢???在保…
异常堆栈 org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:94) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.…