Java开发网 - 求助(Hibernate-Initial SessionFactory creation failed)

Topic: 求助(Hibernate-Initial SessionFactory creation failed)

1.求助(Hibernate-Initial SessionFactory creation failed)

Posted by: sammi8190
Posted on: 2005-11-04 22:02

http://www.hibernate.org/hib_docs/v3/reference/zh-cn/html_single/#tutorial
按照上面第 2 章 Hibernate入门可是还是出错，不明白。

Initial SessionFactory creation failed.java.lang.ExceptionInInitializerError
Exception in thread "main" java.lang.ExceptionInInitializerError
  at HibernateUtil.<clinit>(HibernateUtil.java:17)
  at EventManager.createAndStoreEvent(EventManager.java:30)
  at EventManager.main(EventManager.java:16)
Caused by: java.lang.ExceptionInInitializerError
  at HibernateUtil.<clinit>(HibernateUtil.java:13)
  ... 2 more
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:110)
  ... 3 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)
  ... 7 more
Caused by: java.lang.NullPointerException
  at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:374)
  ... 8 more