Hibernate连接错误,请教原因
gzqg 2005-07-15 03:00:29 07/15 09:07:49.291 ERROR net.sf.hibernate.util.JDBCExceptionReporter Cannot create PoolableConnectionFactory (I/O例外。: The Network Adapter could not establish the connection)
07/15 09:07:49.291 ERROR com.labelmobile.svcweb.dao.CommonDAO net.sf.hibernate.exception.GenericJDBCException: Cannot open connection
程序发生错误,log中抛出入上错误,是什么原因啊?