休眠SLF4J例外

Question

我收到以下異常，當我打電話 configuration.configure(hibernate.cfg.xml).buildSessionFactory()：

Exception in thread "main" java.lang.NoSuchMethodError: org.slf4j.Logger.isTraceEnabled()Z 
    at org.hibernate.type.NullableType.<clinit>(NullableType.java:59) 
    at org.hibernate.Hibernate.<clinit>(Hibernate.java:103) 
    at org.hibernate.type.TypeFactory.<clinit>(TypeFactory.java:69) 
    at org.hibernate.mapping.ManyToOne.getType(ManyToOne.java:49) 
    at org.hibernate.mapping.ManyToOne.createForeignKey(ManyToOne.java:62) 
    at org.hibernate.cfg.HbmBinder.createProperty(HbmBinder.java:2213) 
    at org.hibernate.cfg.HbmBinder.createClassProperties(HbmBinder.java:2170) 
    at org.hibernate.cfg.HbmBinder.createClassProperties(HbmBinder.java:2060) 
    at org.hibernate.cfg.HbmBinder.bindRootPersistentClassCommonValues(HbmBinder.java:381) 
    at org.hibernate.cfg.HbmBinder.bindRootClass(HbmBinder.java:295) 
    at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:166) 
    at org.hibernate.cfg.Configuration.add(Configuration.java:702) 
    at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:537) 
    at org.hibernate.cfg.Configuration.addResource(Configuration.java:599) 
    at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1621) 
    at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1589) 
    at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1568) 
    at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1542) 
    at org.hibernate.cfg.Configuration.configure(Configuration.java:1462) 
    at com.enwelib.server.hibernate.helper.HibernateVendHelper.<init>(HibernateVendHelper.java:47) 
    at com.ensarm.crawler.CrawlManager.saveEntity(CrawlManager.java:93) 
    at com.ensarm.crawler.CrawlManager.main(CrawlManager.java:30) 

Answer 1

的方法，slf4j 1.4加入Logger.isTraceEnabled()。顯然你使用的是較舊的版本，而Hibernate需要更新的版本。修改你的CLASSPATH並使用這個庫的新版本（目前是1.6.4）。