Testando Servico Web para adicionar produto

Pessoal boa tarde.

Estou comecando agora nesse mundo WebServices…

Tentei testa um servico web (no caso um que criei para adicionar um produto a base mysql).

Entretanto quando testei o servico pelo netbeans (botão direito>Testar Servico Web), tive um problema desse tipo…hehe

Exceptions details : null

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com.sun.tools.ws.wscompile.AbortException at com.sun.tools.ws.processor.modeler.wsdl.JAXBModelBuilder.bind(JAXBModelBuilder.java:144) at com.sun.tools.ws.processor.modeler.wsdl.WSDLModeler.buildJAXBModel(WSDLModeler.java:2244) at com.sun.tools.ws.processor.modeler.wsdl.WSDLModeler.internalBuildModel(WSDLModeler.java:191) at com.sun.tools.ws.processor.modeler.wsdl.WSDLModeler.buildModel(WSDLModeler.java:137) at com.sun.tools.ws.wscompile.WsimportTool.buildWsdlModel(WsimportTool.java:381) at com.sun.tools.ws.wscompile.WsimportTool.run(WsimportTool.java:198) at com.sun.tools.ws.wscompile.WsimportTool.run(WsimportTool.java:179) at com.sun.tools.ws.util.WSToolsObjectFactoryImpl.wsimport(WSToolsObjectFactoryImpl.java:60) at com.sun.tools.ws.spi.WSToolsObjectFactory.wsimport(WSToolsObjectFactory.java:88) at org.glassfish.webservices.monitoring.WebServiceTesterServlet.wsImport(WebServiceTesterServlet.java:626) at org.glassfish.webservices.monitoring.WebServiceTesterServlet.initializePort(WebServiceTesterServlet.java:522) at org.glassfish.webservices.monitoring.WebServiceTesterServlet.doGet(WebServiceTesterServlet.java:169) at org.glassfish.webservices.monitoring.WebServiceTesterServlet.invoke(WebServiceTesterServlet.java:104) at org.glassfish.webservices.JAXWSServlet.doGet(JAXWSServlet.java:186) at javax.servlet.http.HttpServlet.service(HttpServlet.java:668) at javax.servlet.http.HttpServlet.service(HttpServlet.java:770) at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1542) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161) at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:331) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231) at com.sun.enterprise.v3.services.impl.ContainerMapper$AdapterCallable.call(ContainerMapper.java:317) at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195) at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:849) at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:746) at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1045) at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:228) at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137) at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104) at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90) at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79) at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54) at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59) at com.sun.grizzly.ContextTask.run(ContextTask.java:71) at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532) at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513) at java.lang.Thread.run(Thread.java:722) 

segue tambem o codigo da classe de web service:

@WebMethod(operationName = "adicionarProduto")
    public void adicionarProduto(@WebParam(name = "descricao") String descricao, @WebParam(name = "quantidade") int quantidade, @WebParam(name = "precoCompra") double precoCompra, @WebParam(name = "precoVenda") double precoVenda) throws SQLException 
    {        
        Produto p = new Produto();
        p.setDescricao(descricao);
        p.setPrecoCompra(precoCompra);
        p.setPrecoVenda(precoVenda);
        p.setQuantidade(quantidade);
        
        new DAOImpl().adiciona(p);
    }

Desde já agradeço! XD