Erro Hibernate

Exception in thread “main” java.lang.NoSuchMethodError:

> org.apache.log4j.spi.LoggingEvent.getThrowableStrRep()[Ljava/l

> ang/String;

>     at

> org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:295)

>     at org.apache.log4j.WriterAppender.append(WriterAppender.java:150)

>     at

> org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:221)

>     at

> org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAp

> penders(AppenderAttachableImpl.java:56)

>     at org.apache.log4j.Category.callAppenders(Category.java:258)

>     at org.apache.log4j.Category.forcedLog(Category.java:454)

>     at org.apache.log4j.Category.log(Category.java:885)

>     at

> org.apache.commons.logging.impl.Log4JCategoryLog.info(Log4JCat

> egoryLog.java:180)

>     at

> cirrus.hibernate.impl.DatastoreImpl.storeFile(DatastoreImpl.java:69)

>     at UsuarioDAO.(UsuarioDAO.java:17)

>     at Application.main(Application.java:12)

>

Como resolver?