运行时的错误：
before query
Exception in thread "AWT-EventQueue-0" java.lang.ExceptionInInitializerError
at com.mwq.hibernate.HibernateSessionFactory.<clinit>(HibernateSessionFactory.java:16)
at com.mwq.hibernate.BaseDao.queryList(BaseDao.java:29)
at com.mwq.hibernate.Dao.queryManagerOfNatural(Dao.java:142)
at com.mwq.frame.LandFrame.<init>(LandFrame.java:100)
at com.mwq.PersonnelManage.land(PersonnelManage.java:32)
at com.mwq.PersonnelManage$1.run(PersonnelManage.java:26)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
Caused by: org.apache.commons.logging.LogConfigurationException: org.apache.commons.logging.LogConfigurationException: java.lang.NullPointerException (Caused by java.lang.NullPointerException) (Caused by org.apache.commons.logging.LogConfigurationException: java.lang.NullPointerException (Caused by java.lang.NullPointerException))
at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:543)
at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:235)
at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:209)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:351)
at org.hibernate.cfg.Configuration.<clinit>(Configuration.java:116)
... 14 more
Caused by: org.apache.commons.logging.LogConfigurationException: java.lang.NullPointerException (Caused by java.lang.NullPointerException)
at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:397)
at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:529)
... 18 more
Caused by: java.lang.NullPointerException
at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:374)
... 19 more
导入数据库时的错误：
Microsoft Windows XP [版本 5.1.2600]
(C) 版权所有 1985-2001 Microsoft Corp.

C:\Documents and Settings\Administrator>imp xl/xl@oracle file=C:\personnel_manag
e.dmp fromuser=PERSONNEL_MANAGE ignore=y commit=y grants=y;

Import: Release 9.2.0.1.0 - Production on 星期五 4月 16 01:59:22 2010

Copyright (c) 1982, 2002, Oracle Corporation.  All rights reserved.


连接到: Oracle9i Release 9.2.0.1.0 - Production
JServer Release 9.2.0.1.0 - Production

IMP-00010: 不是有效的导出文件，标题验证失败
IMP-00000: 未成功终止导入

C:\Documents and Settings\Administrator>