salut tt le monde

je suis un debutant en hibernate et j'ai un probleme dans mon apllication

je travaille avec hibernate 3.0 sous eclipse 3.2 et jboss 4.0 mon apllication fais les operation CRUD mais dans le console de mon IDE eclipse il maffiche les exceptions suivant

WARN [Configurator] No configuration found. Configuring ehcache from ehcache-failsafe.xml found in the classpath: jar:file:/C:/jboss-4.0.3SP1/server/default/tmp/deploy/tmp43319test_WEB-exp.war/WEB-INF/lib/ehcache-0.9.jar!/ehcache-failsafe.xml
INFO [STDOUT] Getting the properties URL
INFO [STDOUT] Error ocurred during properties retrieval
INFO [STDOUT] null
INFO [STDOUT] Exception: java.lang.NullPointerException
INFO [SessionFactoryObjectFactory] Not binding factory to JNDI, no JNDI name configured
INFO [STDOUT] Getting the properties URL
INFO [STDOUT] Error ocurred during properties retrieval
INFO [STDOUT] null
INFO [STDOUT] Exception: java.lang.NullPointerException
INFO [STDOUT] Getting the properties URL
INFO [STDOUT] Error ocurred during properties retrieval
INFO [STDOUT] null
INFO [STDOUT] Exception: java.lang.NullPointerException
INFO [STDOUT] Getting the properties URL
INFO [STDOUT] Error ocurred during properties retrieval
INFO [STDOUT] null
INFO [STDOUT] Exception: java.lang.NullPointerException
INFO [ExportViewFactory] Initializing ExportViewFactory with type={csv,excel,xml,pdf}
INFO [TableProperties] No LocaleResolver configured.
INFO [TableProperties] I18nResourceProvider initialized to org.displaytag.localization.I18nJstlAdapter.
INFO [STDOUT] Getting the properties URL
INFO [STDOUT] Error ocurred during properties retrieval
INFO [STDOUT] null
INFO [STDOUT] Exception: java.lang.NullPointerException
INFO [STDOUT] 11 avr. 2007 15:12:15 com.finalist.util.log.JDKLogger info
INFO: start doPerform
INFO [STDOUT] Getting the properties URL
INFO [STDOUT] Error ocurred during properties retrieval
INFO [STDOUT] null
INFO [STDOUT] Exception: java.lang.NullPointerException
INFO [STDOUT] 11 avr. 2007 15:12:39 com.finalist.util.log.JDKLogger info
INFO: start doPerform
ERROR [PropertyUtils] Method invocation failed.
java.lang.IllegalArgumentException: argument type mismatch
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.commons.beanutils.PropertyUtilsBean.invokeMethod(PropertyUtilsBean.java:1773)
at org.apache.commons.beanutils.PropertyUtilsBean.setSimpleProperty(PropertyUtilsBean.java:1759)
at org.apache.commons.beanutils.PropertyUtils.setSimpleProperty(PropertyUtils.java:577)
at com.finalist.util.PropertyUtilsExt.copyProperties(PropertyUtilsExt.java:77)
at com.finalist.actions.SaveEmployeAction.doPerform(SaveEmployeAction.java:71)
at com.finalist.util.genelv.struts.GenericAction.execute(GenericAction.java:69)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:415)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:169)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at com.finalist.SessionFilter.doFilter(SessionFilter.java:39)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.displaytag.filter.ResponseOverrideFilter.doFilter(ResponseOverrideFilter.java:125)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
at java.lang.Thread.run(Unknown Source)




AIDE moi