发生Could not parse mapping document from resource错误时
Could not parse mapping document from resource *****
at org.hibernate.cfg.Configuration.addResource(Configuration.java:671)
?at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1679)
?at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1647)
?at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1626)
?at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1600)
?at org.hibernate.cfg.Configuration.configure(Configuration.java:1520)
?at com.govweb.orm.HibernateSessionFactory.rebuildSessionFactory(HibernateSessionFactory.java:69)
?at com.govweb.orm.HibernateSessionFactory.getSession(HibernateSessionFactory.java:53)
Caused by: org.hibernate.DuplicateMappingException: Duplicate class/entity mapping?*****
?at org.hibernate.cfg.Configuration$MappingsImpl.addClass(Configuration.java:2407)
?at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:173)
?at org.hibernate.cfg.Configuration.add(Configuration.java:771)
?at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:606)
?at org.hibernate.cfg.Configuration.addResource(Configuration.java:668)
时，大部分是因为hibernate的映射文件错误或者是映射文件名错误，这时应该仔细检查，尤其是大小写的问题.另外如果错误的是hibernate.cfg中第一包含的映射文件可能并不是当前提示错误造成的，很有可能是其它的映射文件，这点需要注意。
本文转自： http://www.itleft.com/archives/28.html