Alexsandro Andrade

bom dia, estou tentando realizar uma conexão com banco através do hibernate no entanto ao compilar o código é apresentada a seguinte exceção. Failed to instantiate SLF4J LoggerFactory Reported exception: java.lang.NoClassDefFoundError: org/apache/log4j/Level at org.slf4j.LoggerFactory.bind(LoggerFactory.java:129) at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:108) at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:302) at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:276) at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:288) at org.hibernate.cfg.Configuration.(Configuration.java:197) at org.hibernate.ejb.Ejb3Configuration.(Ejb3Configuration.java:133) at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:55) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:63) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:47) at projetoteste.TestHibernate.main(TestHibernate.java:12) Caused by: java.lang.ClassNotFoundException: org.apache.log4j.Level at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 11 more Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/log4j/Level at org.slf4j.LoggerFactory.bind(LoggerFactory.java:129) at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:108) at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:302) at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:276) at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:288) at org.hibernate.cfg.Configuration.(Configuration.java:197) at org.hibernate.ejb.Ejb3Configuration.(Ejb3Configuration.java:133) at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:55) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:63) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:47) at projetoteste.TestHibernate.main(TestHibernate.java:12) Caused by: java.lang.ClassNotFoundException: org.apache.log4j.Level at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 11 more