Problema em salvar dados usando Hibernate

Olá galera

Estou com um problema em salvar dados com o hibernate

Estou usando o BlazeDS e o JBoss 4.2 como servidor

O Objeto passado do flex para o DAO é válido pois eu fiz um print nos dados

Da o seguinte erro quando eu vou salvar os dados

12:40:49,551 ERROR [STDERR] java.lang.ClassCastException: org.hibernate.validator.event.ValidateEventListener cannot be cast to org.hibernate.event.PreInsertEventListener
12:40:49,551 ERROR [STDERR] 	at org.hibernate.cfg.AnnotationConfiguration.enableLegacyHibernateValidator(AnnotationConfiguration.java:996)
12:40:49,551 ERROR [STDERR] 	at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:951)
12:40:49,551 ERROR [STDERR] 	at br.com.factory.HibernateConnectionFactory.<clinit>(HibernateConnectionFactory.java:15)
12:40:49,552 ERROR [STDERR] 	at br.com.dao.EclusaDao.save(EclusaDao.java:39)
12:40:49,552 ERROR [STDERR] 	at br.com.services.EclusaService.save(EclusaService.java:35)
12:40:49,552 ERROR [STDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
12:40:49,552 ERROR [STDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
12:40:49,552 ERROR [STDERR] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
12:40:49,552 ERROR [STDERR] 	at java.lang.reflect.Method.invoke(Unknown Source)
12:40:49,552 ERROR [STDERR] 	at flex.messaging.services.remoting.adapters.JavaAdapter.invoke(JavaAdapter.java:418)
12:40:49,552 ERROR [STDERR] 	at flex.messaging.services.RemotingService.serviceMessage(RemotingService.java:183)
12:40:49,552 ERROR [STDERR] 	at flex.messaging.MessageBroker.routeMessageToService(MessageBroker.java:1400)
12:40:49,552 ERROR [STDERR] 	at flex.messaging.endpoints.AbstractEndpoint.serviceMessage(AbstractEndpoint.java:1005)
12:40:49,552 ERROR [STDERR] 	at flex.messaging.endpoints.amf.MessageBrokerFilter.invoke(MessageBrokerFilter.java:103)
12:40:49,552 ERROR [STDERR] 	at flex.messaging.endpoints.amf.LegacyFilter.invoke(LegacyFilter.java:158)
12:40:49,553 ERROR [STDERR] 	at flex.messaging.endpoints.amf.SessionFilter.invoke(SessionFilter.java:44)
12:40:49,553 ERROR [STDERR] 	at flex.messaging.endpoints.amf.BatchProcessFilter.invoke(BatchProcessFilter.java:67)
12:40:49,553 ERROR [STDERR] 	at flex.messaging.endpoints.amf.SerializationFilter.invoke(SerializationFilter.java:166)
12:40:49,553 ERROR [STDERR] 	at flex.messaging.endpoints.BaseHTTPEndpoint.service(BaseHTTPEndpoint.java:291)
12:40:49,553 ERROR [STDERR] 	at flex.messaging.MessageBrokerServlet.service(MessageBrokerServlet.java:353)
12:40:49,553 ERROR [STDERR] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
12:40:49,553 ERROR [STDERR] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
12:40:49,553 ERROR [STDERR] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
12:40:49,553 ERROR [STDERR] 	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
12:40:49,553 ERROR [STDERR] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
12:40:49,553 ERROR [STDERR] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
12:40:49,553 ERROR [STDERR] 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
12:40:49,554 ERROR [STDERR] 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
12:40:49,554 ERROR [STDERR] 	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
12:40:49,554 ERROR [STDERR] 	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
12:40:49,554 ERROR [STDERR] 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
12:40:49,554 ERROR [STDERR] 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
12:40:49,554 ERROR [STDERR] 	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
12:40:49,554 ERROR [STDERR] 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
12:40:49,554 ERROR [STDERR] 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
12:40:49,554 ERROR [STDERR] 	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
12:40:49,554 ERROR [STDERR] 	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
12:40:49,555 ERROR [STDERR] 	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
12:40:49,555 ERROR [STDERR] 	at java.lang.Thread.run(Unknown Source)

No meu projeto eu tenho os jar do hibernate, do mysql

Preciso de algum jar do Jboss para usar o hibernate?

Valew