when i am trying to run Hibernate program. it gave following error...
236 [main] INFO org.hibernate.cfg.Environment - Hibernate 3.3.2.GA 261 [main] INFO org.hibernate.cfg.Environment - hibernate.properties not found 341 [main] INFO org.hibernate.cfg.Environment - Bytecode provider name : javassist 394 [main] INFO org.hibernate.cfg.Environment - using JDK 1.4 java.sql.Timestamp handling 715 [main] INFO org.hibernate.cfg.Configuration - configuring from resource: /hibernate.cfg.xml 715 [main] INFO org.hibernate.cfg.Configuration - Configuration resource: /hibernate.cfg.xml 1140 [main] INFO org.hibernate.cfg.Configuration - Reading mappings from resource : com/vaannila/course/Course.hbm.xml 1341 [main] INFO org.hibernate.cfg.HbmBinder - Mapping class: com.vaannila.course.Course -> COURSES 1386 [main] INFO org.hibernate.cfg.Configuration - Configured SessionFactory: null Initial SessionFactory creation failed. java.lang.AbstractMethodError: org.slf4j.impl.SimpleLogger.isTraceEnabled()Z Exception in thread "main" java.lang.ExceptionInInitializerError at com.vaannila.util.HibernateUtil.<clinit>(HibernateUtil.java:13) at com.vaannila.course.Main.saveCourse(Main.java:25) at com.vaannila.course.Main.main(Main.java:15) Caused by: java.lang.AbstractMethodError: org.slf4j.impl.SimpleLogger.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.SimpleValue.getType(SimpleValue.java:283) at org.hibernate.mapping.SimpleValue.isValid(SimpleValue.java:276) at org.hibernate.mapping.Property.isValid(Property.java:207) at org.hibernate.mapping.PersistentClass.validate(PersistentClass.java:458) at org.hibernate.mapping.RootClass.validate(RootClass.java:215) at org.hibernate.cfg.Configuration.validate(Configuration.java:1149) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1334) at com.vaannila.util.HibernateUtil.<clinit>(HibernateUtil.java:10) ... 2 more