Problema - Iniciante em web service

Estou tentando implantar a minha aplicação com web service e está apresentando o seguinte problema:

20/10/2009 21:57:19 com.sun.xml.ws.transport.http.servlet.WSServletContextListener contextInitialized
SEVERE: WSSERVLET11: failed to parse runtime descriptor: javax.xml.ws.WebServiceException: Unable to create JAXBContext
javax.xml.ws.WebServiceException: Unable to create JAXBContext
        at com.sun.xml.ws.model.AbstractSEIModelImpl.createJAXBContext(AbstractSEIModelImpl.java:158)
        at com.sun.xml.ws.model.AbstractSEIModelImpl.postProcess(AbstractSEIModelImpl.java:87)
        at com.sun.xml.ws.model.RuntimeModeler.buildRuntimeModel(RuntimeModeler.java:262)
        at com.sun.xml.ws.server.EndpointFactory.createSEIModel(EndpointFactory.java:322)
        at com.sun.xml.ws.server.EndpointFactory.createEndpoint(EndpointFactory.java:188)
        at com.sun.xml.ws.api.server.WSEndpoint.create(WSEndpoint.java:467)
        at com.sun.xml.ws.transport.http.DeploymentDescriptorParser.parseAdapters(DeploymentDescriptorParser.java:253)
        at com.sun.xml.ws.transport.http.DeploymentDescriptorParser.parse(DeploymentDescriptorParser.java:147)
        at com.sun.xml.ws.transport.http.servlet.WSServletContextListener.contextInitialized(WSServletContextListener.java:108)
        at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3843)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:4342)
        at org.apache.catalina.manager.ManagerServlet.start(ManagerServlet.java:1247)
        at org.apache.catalina.manager.ManagerServlet.doGet(ManagerServlet.java:377)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:196)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
        at java.lang.Thread.run(Thread.java:619)
Caused by: java.security.PrivilegedActionException: com.sun.xml.bind.v2.runtime.IllegalAnnotationsException: 4 counts of IllegalAnnotationExceptions
java.sql.Date does not have a no-arg default constructor.
        this problem is related to the following location:
                at java.sql.Date
                at public java.sql.Date agendeweb.base.acompanhamentoOS.agendamento.AgendamentoBean.getDataEntradaAgendada()
                at agendeweb.base.acompanhamentoOS.agendamento.AgendamentoBean
                at public agendeweb.base.acompanhamentoOS.agendamento.AgendamentoBean agendeweb.base.acompanhamentoOS.ordemServico.OrdemServicoBean.getAgendamento()
                at agendeweb.base.acompanhamentoOS.ordemServico.OrdemServicoBean
                at public java.util.ArrayList agendeweb.painel.services.jaxws.CarregaOSResponse._return
                at agendeweb.painel.services.jaxws.CarregaOSResponse
java.sql.Time does not have a no-arg default constructor.
        this problem is related to the following location:
                at java.sql.Time
                at public java.sql.Time agendeweb.base.acompanhamentoOS.agendamento.AgendamentoBean.getHoraEntradaAgendada()
                at agendeweb.base.acompanhamentoOS.agendamento.AgendamentoBean
                at public agendeweb.base.acompanhamentoOS.agendamento.AgendamentoBean agendeweb.base.acompanhamentoOS.ordemServico.OrdemServicoBean.getAgendamento()
                at agendeweb.base.acompanhamentoOS.ordemServico.OrdemServicoBean
                at public java.util.ArrayList agendeweb.painel.services.jaxws.CarregaOSResponse._return
                at agendeweb.painel.services.jaxws.CarregaOSResponse
java.sql.Timestamp does not have a no-arg default constructor.
        this problem is related to the following location:
                at java.sql.Timestamp
                at public java.sql.Timestamp agendeweb.base.seguranca.log.Log.getDataAtualizacao()
                at agendeweb.base.seguranca.log.Log
                at agendeweb.base.acompanhamentoOS.agendamento.AgendamentoBean
                at public agendeweb.base.acompanhamentoOS.agendamento.AgendamentoBean agendeweb.base.acompanhamentoOS.ordemServico.OrdemServicoBean.getAgendamento()
                at agendeweb.base.acompanhamentoOS.ordemServico.OrdemServicoBean
                at public java.util.ArrayList agendeweb.painel.services.jaxws.CarregaOSResponse._return
                at agendeweb.painel.services.jaxws.CarregaOSResponse
Two classes have the same XML type name "{http://services.painel.agendeweb/}categoriaBean". Use @XmlType.name and @XmlType.namespace to assign different names to them.
        this problem is related to the following location:
                at agendeweb.base.painel.categoria.CategoriaBean
                at public agendeweb.base.painel.categoria.CategoriaBean agendeweb.base.painel.item.ItemBean.getCategoria()
                at agendeweb.base.painel.item.ItemBean
                at public agendeweb.base.painel.item.ItemBean agendeweb.base.painel.configuracao.ConfiguracaoBean.getItem()
                at agendeweb.base.painel.configuracao.ConfiguracaoBean
                at public java.util.ArrayList agendeweb.painel.services.jaxws.CarregaConfiguracaoResponse._return
                at agendeweb.painel.services.jaxws.CarregaConfiguracaoResponse
        this problem is related to the following location:
                at agendeweb.base.menuServico.categoria.CategoriaBean
                at public agendeweb.base.menuServico.categoria.CategoriaBean agendeweb.base.menuServico.servico.ServicoBean.getCategoria()
                at agendeweb.base.menuServico.servico.ServicoBean
                at public agendeweb.base.menuServico.servico.ServicoBean agendeweb.base.menuServico.servicoVeiculo.ServicoVeiculoBean.getServico()
                at agendeweb.base.menuServico.servicoVeiculo.ServicoVeiculoBean
                at public java.util.ArrayList agendeweb.painel.services.jaxws.CarregaServicosVeiculosResponse._return
                at agendeweb.painel.services.jaxws.CarregaServicosVeiculosResponse

        at java.security.AccessController.doPrivileged(Native Method)
        at com.sun.xml.ws.model.AbstractSEIModelImpl.createJAXBContext(AbstractSEIModelImpl.java:148)
        ... 30 more
Caused by: com.sun.xml.bind.v2.runtime.IllegalAnnotationsException: 4 counts of IllegalAnnotationExceptions
java.sql.Date does not have a no-arg default constructor.
        this problem is related to the following location:
                at java.sql.Date
                at public java.sql.Date agendeweb.base.acompanhamentoOS.agendamento.AgendamentoBean.getDataEntradaAgendada()
                at agendeweb.base.acompanhamentoOS.agendamento.AgendamentoBean
                at public agendeweb.base.acompanhamentoOS.agendamento.AgendamentoBean agendeweb.base.acompanhamentoOS.ordemServico.OrdemServicoBean.getAgendamento()
                at agendeweb.base.acompanhamentoOS.ordemServico.OrdemServicoBean
                at public java.util.ArrayList agendeweb.painel.services.jaxws.CarregaOSResponse._return
                at agendeweb.painel.services.jaxws.CarregaOSResponse
java.sql.Time does not have a no-arg default constructor.
        this problem is related to the following location:
                at java.sql.Time
                at public java.sql.Time agendeweb.base.acompanhamentoOS.agendamento.AgendamentoBean.getHoraEntradaAgendada()
                at agendeweb.base.acompanhamentoOS.agendamento.AgendamentoBean
                at public agendeweb.base.acompanhamentoOS.agendamento.AgendamentoBean agendeweb.base.acompanhamentoOS.ordemServico.OrdemServicoBean.getAgendamento()
                at agendeweb.base.acompanhamentoOS.ordemServico.OrdemServicoBean
                at public java.util.ArrayList agendeweb.painel.services.jaxws.CarregaOSResponse._return
                at agendeweb.painel.services.jaxws.CarregaOSResponse
java.sql.Timestamp does not have a no-arg default constructor.
        this problem is related to the following location:
                at java.sql.Timestamp
                at public java.sql.Timestamp agendeweb.base.seguranca.log.Log.getDataAtualizacao()
                at agendeweb.base.seguranca.log.Log
                at agendeweb.base.acompanhamentoOS.agendamento.AgendamentoBean
                at public agendeweb.base.acompanhamentoOS.agendamento.AgendamentoBean agendeweb.base.acompanhamentoOS.ordemServico.OrdemServicoBean.getAgendamento()
                at agendeweb.base.acompanhamentoOS.ordemServico.OrdemServicoBean
                at public java.util.ArrayList agendeweb.painel.services.jaxws.CarregaOSResponse._return
                at agendeweb.painel.services.jaxws.CarregaOSResponse
Two classes have the same XML type name "{http://services.painel.agendeweb/}categoriaBean". Use @XmlType.name and @XmlType.namespace to assign different names to them.
        this problem is related to the following location:
                at agendeweb.base.painel.categoria.CategoriaBean
                at public agendeweb.base.painel.categoria.CategoriaBean agendeweb.base.painel.item.ItemBean.getCategoria()
                at agendeweb.base.painel.item.ItemBean
                at public agendeweb.base.painel.item.ItemBean agendeweb.base.painel.configuracao.ConfiguracaoBean.getItem()
                at agendeweb.base.painel.configuracao.ConfiguracaoBean
                at public java.util.ArrayList agendeweb.painel.services.jaxws.CarregaConfiguracaoResponse._return
                at agendeweb.painel.services.jaxws.CarregaConfiguracaoResponse
        this problem is related to the following location:
                at agendeweb.base.menuServico.categoria.CategoriaBean
                at public agendeweb.base.menuServico.categoria.CategoriaBean agendeweb.base.menuServico.servico.ServicoBean.getCategoria()
                at agendeweb.base.menuServico.servico.ServicoBean
                at public agendeweb.base.menuServico.servico.ServicoBean agendeweb.base.menuServico.servicoVeiculo.ServicoVeiculoBean.getServico()
                at agendeweb.base.menuServico.servicoVeiculo.ServicoVeiculoBean
                at public java.util.ArrayList agendeweb.painel.services.jaxws.CarregaServicosVeiculosResponse._return
                at agendeweb.painel.services.jaxws.CarregaServicosVeiculosResponse

        at com.sun.xml.bind.v2.runtime.IllegalAnnotationsException$Builder.check(IllegalAnnotationsException.java:102)
        at com.sun.xml.bind.v2.runtime.JAXBContextImpl.getTypeInfoSet(JAXBContextImpl.java:438)
        at com.sun.xml.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:286)
        at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:139)
        at com.sun.xml.bind.api.JAXBRIContext.newInstance(JAXBRIContext.java:105)
        at com.sun.xml.ws.model.AbstractSEIModelImpl$1.run(AbstractSEIModelImpl.java:153)
        at com.sun.xml.ws.model.AbstractSEIModelImpl$1.run(AbstractSEIModelImpl.java:149)
        ... 32 more
20/10/2009 21:57:19 org.apache.catalina.core.StandardContext start
SEVERE: Error listenerStart
20/10/2009 21:57:19 org.apache.catalina.core.StandardContext start
SEVERE: Context [/agendeweb] startup failed due to previous errors
20/10/2009 21:57:19 com.sun.xml.ws.transport.http.servlet.WSServletContextListener contextDestroyed
INFO: WSSERVLET13: JAX-WS context listener destroyed

Me ajude. Obrigado.

Opa.
Tentei responder nesse post que é sobre o mesmo problema.

http://www.guj.com.br/posts/list/0/138532.java

Abraço.