                        課程
                    
                        /后端開發
                        
                            /Java
                        
                        /Hibernate初探之一對多映射

大神幫忙看看，出現下面報錯是什么原因？非常感謝

Exception?in?thread?"main"?java.lang.ExceptionInInitializerError
	at?org.hibernate.cfg.Configuration.reset(Configuration.java:324)
	at?org.hibernate.cfg.Configuration.<init>(Configuration.java:289)
	at?org.hibernate.cfg.Configuration.<init>(Configuration.java:293)
	at?util.HibernateUtil.<clinit>(HibernateUtil.java:17)
	at?entity.Test.add(Test.java:27)
	at?entity.Test.main(Test.java:14)
Caused?by:?java.lang.NullPointerException
	at?org.hibernate.internal.util.ConfigHelper.getResourceAsStream(ConfigHelper.java:170)
	at?org.hibernate.cfg.Environment.<clinit>(Environment.java:221)
	...?6?more