You are populating an InputStream Object on the client side and passing it
to the service. While deserializing the POJO, Axis2 tries to instantiate the
InputStream, which cannot be done because InputStream in an abstract class.
You will have to change your code to make it work properly.
Azeez
On Jan 23, 2008 9:05 PM, reddy, ramachandra <[EMAIL PROTECTED]>
wrote:
> Hi All,
> I am a newbie to webservices. I have a webservice that I am implementing .
> I need to send
> XMLString and and a file stream.
>
> I tried this version where I sent xmlstring annd filestream as OMElements
> it worked.
> public OMElement service(OMElement element) throws AxisFault
> {
> //Get XML Request
> OMText genericRequestXMLText =
> (OMText)element.getFirstElement().getFirstOMChild();
> String genericRequestXML = genericRequestXMLText.getText();
> //Get input stream
> OMText binaryNode =
> (OMText)((OMElementImpl)element.getFirstElement().getNextOMSibling()).getFirstOMChild();
> DataHandler actualDH = (DataHandler) binaryNode.getDataHandler();
> actualDH.getInputStream();
> ///Do my processing
> //This works fine.
> }
>
> Now I want to expose on more method with DTO being passed like this
> *
>
> public
> * SAILTransferObject pojoService(SAILTransferObject request )
> *throws*AxisFault
>
> {
>
> String xmlPayload = request.getXMLMessage();
>
> InputStream ipStream = request.getDocStream();
>
> // Rest of processing
>
>
>
>
>
> //Response to be sent
>
> SAILTransferObject response = new SAILTransferObject ();
>
> ///populate response.......
>
> return response;
>
> }
>
> //Here is DTO description
>
> public class *SAILTransferObject* implements ISAILObject {
>
> private String xmlMessage = null;
> private InputStream docStream = null;
> public InputStream getDocStream() {
> return this.docStream;
> }
> public String getXMLMessage() {
> return this.xmlMessage;
> }
> public void setXMLMessage(String xmlMessage) {
> this.xmlMessage = xmlMessage;
> }
> public void setDocStream(InputStream docStream) {
> this.docStream = docStream;
> }
> public SAILTransferObject() {
> super();
> }
> }
> //My interface.
> Interface ISAILObject extends Serializable{
> public String getXMLMessage() ;
> public InputStream getDocStream() ;
> }
>
> *//SERVICE.XML*
> <service name="SAILWebService" scope="application">
> <description>
> SAIL WEB SERVICE
> </description>
>
> <!-- -->
> <operation name="service">
> <messageReceiver class="
> org.apache.axis2.receivers.RawXMLINOutMessageReceiver"/>
> <parameter name="enableMTOM" locked="false">true</parameter>
> </operation>
>
> <operation name="pojoService">
> <messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-out";
> class="org.apache.axis2.rpc.receivers.RPCMessageReceiver"/>
> <parameter name="enableMTOM" locked="false">true</parameter>
> </operation>
>
> <parameter name="ServiceClass">
> com.company.sail.webservices.SAILWebService</parameter>
> </service>
> *//My client Program *
> public static void callPojoBasedSAILService() throws Exception{
> System.out.println(":: callPojoBasedSAILService");
>
> RPCServiceClient serviceClient = new RPCServiceClient();
> Options options = serviceClient.getOptions();
> options.setTo(targetEPR);
> options.setProperty(Constants.Configuration.ENABLE_MTOM,
> Constants.VALUE_TRUE);
> QName method = new QName("http://webservices.sail.docharbor.com";,
> "pojoService");
> DataHandler dataHandler = new DataHandler(new
> FileDataSource("C:\\Resume.doc"));
> ISAILObject sailTransferDto = new SAILTransferObject("<test>This will be
> a xml String</test>",dataHandler.getInputStream());
> Object[] inputArgs = new Object[] { sailTransferDto };
> //Class[] returnTypes = new Class[] { SAILTransferObject.class };
> Class<?>[] returnTypes = new Class[] { SAILTransferObject.class };
> try{
> Object[] response = serviceClient.invokeBlocking(method,
> inputArgs, returnTypes);
> ISAILObject result = (ISAILObject) response[0];
>
> if(result== null){
> System.out.println("Result was nulll");
> }
> else{
> System.out.println("result :" + result.getXMLMessage());
> System.out.println("result :" + result.getDocStream());
> }
> }
> catch(AxisFault e){
> System.out.println(""+e.toString());
> System.out.println("\n FaultAction:"+e.getFaultAction());
> System.out.println("\n Node:"+e.getFaultNode());
> System.out.println("\n Reason:"+e.getReason());
> }
> }
>
> *ERROR Message :*
> *[ERROR] Exception occurred while trying to invoke service method
> pojoService
> org.apache.axis2.AxisFault: java.io.FileInputStream
> * at org.apache.axis2.AxisFault.makeFault(AxisFault.java:417)
> at org.apache.axis2.engine.DefaultObjectSupplier.getObject(
> DefaultObjectSupplier.java:29)
> at org.apache.axis2.databinding.utils.BeanUtil.deserialize(BeanUtil.java
> :345)
> at org.apache.axis2.databinding.utils.BeanUtil.deserialize(BeanUtil.java
> :385)
> at org.apache.axis2.databinding.utils.BeanUtil.processObject(
> BeanUtil.java:655)
> at org.apache.axis2.databinding.utils.BeanUtil.ProcessElement(
> BeanUtil.java:603)
> at org.apache.axis2.databinding.utils.BeanUtil.deserialize(BeanUtil.java
> :535)
> at org.apache.axis2.rpc.receivers.RPCUtil.processRequest(RPCUtil.java
> :153)
> at org.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java
> :188)
> at org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(
> RPCMessageReceiver.java:98)
> at
> org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic
> (AbstractInOutMessageReceiver.java:40)
> at org.apache.axis2.receivers.AbstractMessageReceiver.receive(
> AbstractMessageReceiver.java:96)
> at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:145)
> at
> org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(
> HTTPTransportUtils.java:275)
> at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java
> :120)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
> ApplicationFilterChain.java:237)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(
> ApplicationFilterChain.java:157)
> at org.apache.catalina.core.StandardWrapperValve.invoke(
> StandardWrapperValve.java:214)
> at org.apache.catalina.core.StandardValveContext.invokeNext(
> StandardValveContext.java:104)
> at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java
> :520)
> at org.apache.catalina.core.StandardContextValve.invokeInternal(
> StandardContextValve.java:198)
> at org.apache.catalina.core.StandardContextValve.invoke(
> StandardContextValve.java:152)
> at org.apache.catalina.core.StandardValveContext.invokeNext(
> StandardValveContext.java:104)
> at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java
> :520)
> at org.apache.catalina.core.StandardHostValve.invoke(
> StandardHostValve.java:137)
> at org.apache.catalina.core.StandardValveContext.invokeNext(
> StandardValveContext.java:104)
> at org.apache.catalina.valves.ErrorReportValve.invoke(
> ErrorReportValve.java:117)
> at org.apache.catalina.core.StandardValveContext.invokeNext(
> StandardValveContext.java:102)
> at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java
> :520)
> at org.apache.catalina.core.StandardEngineValve.invoke(
> StandardEngineValve.java:109)
> at org.apache.catalina.core.StandardValveContext.invokeNext(
> StandardValveContext.java:104)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java
> :535)
> at org.apache.catalina.core.StandardValveContext.invokeNext(
> StandardValveContext.java:102)
> at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java
> :520)
> at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
> at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java
> :160)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
> :790)
> at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection
> (Http11Protocol.java:709)
> at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java
> :572)
> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
> ThreadPool.java:644)
> at java.lang.Thread.run(Thread.java:619)
> *Caused by: java.lang.InstantiationException: java.io.FileInputStream
> at java.lang.Class.newInstance0(Class.java:340)
> at java.lang.Class.newInstance(Class.java:308)
> * at org.apache.axis2.engine.DefaultObjectSupplier.getObject(
> DefaultObjectSupplier.java:27)
> ... 41 more
>
>
> If anyone has faced similar problem and have workaround please let me
> know.Thanks in advance.
>
> Thanks
> Ramachandra
>
>
--
Thanks
Afkham Azeez
http://azeez78.blogspot.com
http://www.wso2.org
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