Problem in WS deployment

[krishnamohan murugesan]

Hi All,
I tried to deploy a Helloejb.jar webservice in jboss and got the following error.I used java objects derived from XSD files.

java.lang.IllegalStateException: Cannot build JAXB context
at org.jboss.ws.metadata.builder.jaxws.JAXWSMetaDataBuilder.createJAXBCo
ntext(JAXWSMetaDataBuilder.java:955)
at org.jboss.ws.metadata.builder.jaxws.JAXWSWebServiceMetaDataBuilder.bu
ildWebServiceMetaData(JAXWSWebServiceMetaDataBuilder.java:156)
at org.jboss.ws.metadata.builder.jaxws.JAXWSServerMetaDataBuilder.setupP
roviderOrWebService(JAXWSServerMetaDataBuilder.java:52)
at org.jboss.ws.metadata.builder.jaxws.JAXWSMetaDataBuilderEJB3.buildMet
aData(JAXWSMetaDataBuilderEJB3.java:78)
at org.jboss.wsf.stack.jbws.UnifiedMetaDataDeploymentAspect.create(Unifi
edMetaDataDeploymentAspect.java:71)
at org.jboss.wsf.framework.deployment.DeploymentAspectManagerImpl.deploy
(DeploymentAspectManagerImpl.java:118)
at org.jboss.wsf.container.jboss42.ArchiveDeployerHook.deploy(ArchiveDep
loyerHook.java:97)
at org.jboss.wsf.container.jboss42.DeployerInterceptor.start(DeployerInt
erceptor.java:90)
at org.jboss.deployment.SubDeployerInterceptorSupport$XMBeanInterceptor.
start(SubDeployerInterceptorSupport.java:188)
at org.jboss.deployment.SubDeployerInterceptor.invoke(SubDeployerInterce
ptor.java:95)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.
java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
at $Proxy34.start(Unknown Source)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
at sun.reflect.GeneratedMethodAccessor20.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatch
er.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractIntercept
or.java:133)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelM
BeanOperationInterceptor.java:142)

Please anyone help me to solve this issue...