Setting HTTP headers when using xrpcc

I am using xrpcc to compile my WSDL and am using the resulting code to access my web service. When accessing a web service this way, is there any way that I can set HTTP headers before the method is invoked? If not, is the only option to build all of the SOAP requests by hand and ditch all of the nice things xrpcc does for me?
Along those same lines, is there any way to get a dump of the SOAP envelope that is being sent when the xrpcc generated methods are invoked?
Thanks.

Damn, I need to read the HTTP headers that came in along with the SOAP JAXRPC message. So it looks like a similar problem. And noone answers this question. Damn.

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I am getting a java.lang.NullPointerException when calling the operation on the WS endpoint from the client when using non-anonymous replyTo address.
I have simplified the scenario into a small test case that hopefully others can replicate. Since the exception is happening on the client instead of the server, I would think that the container used is irrelevant, but I have specified it nonetheless.
1) WebService:
package test.webservice;
import java.util.Random;
import javax.jws.WebMethod;
import javax.jws.WebParam;
import javax.jws.WebService;
import javax.jws.soap.SOAPBinding;
import javax.xml.ws.soap.Addressing;
@WebService(targetNamespace="http://services.nowhere.org/")
@Addressing(required=true)
@SOAPBinding(style = SOAPBinding.Style.DOCUMENT)
public class RandomTest {
    @WebMethod
    public long nextRandom(@WebParam boolean forceException) throws Exception {
        if( forceException ) {
            throw new Exception("Some exception");
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        return rand.nextLong();
2) Generated WSDL by JBossEAP 6.2.2:
<?xml version='1.0' encoding='UTF-8'?><wsdl:definitions xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:wsp="http://www.w3.org/ns/ws-policy" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:wsaw="http://www.w3.org/2006/05/addressing/wsdl" xmlns:wsam="http://www.w3.org/2007/05/addressing/metadata" xmlns:tns="http://webservice.test/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:ns1="http://schemas.xmlsoap.org/soap/http" name="RandomTestService" targetNamespace="http://webservice.test/">
<wsdl:types>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:tns="http://webservice.test/" elementFormDefault="unqualified" targetNamespace="http://webservice.test/" version="1.0">
<xs:element name="nextRandom" type="tns:nextRandom"/>
<xs:element name="nextRandomResponse" type="tns:nextRandomResponse"/>
<xs:complexType name="nextRandom">
    <xs:sequence/>
</xs:complexType>
<xs:complexType name="nextRandomResponse">
    <xs:sequence>
      <xs:element name="return" type="xs:long"/>
    </xs:sequence>
</xs:complexType>
</xs:schema>
</wsdl:types>
<wsdl:message name="nextRandom">
    <wsdl:part element="tns:nextRandom" name="parameters">
    </wsdl:part>
</wsdl:message>
<wsdl:message name="nextRandomResponse">
    <wsdl:part element="tns:nextRandomResponse" name="parameters">
    </wsdl:part>
</wsdl:message>
<wsdl:portType name="RandomTest">
    <wsdl:operation name="nextRandom">
      <wsdl:input message="tns:nextRandom" name="nextRandom" wsam:Action="http://webservice.test/RandomTest/nextRandomRequest" wsaw:Action="http://webservice.test/RandomTest/nextRandomRequest">
    </wsdl:input>
      <wsdl:output message="tns:nextRandomResponse" name="nextRandomResponse" wsam:Action="http://webservice.test/RandomTest/nextRandomResponse" wsaw:Action="http://webservice.test/RandomTest/nextRandomResponse">
    </wsdl:output>
    </wsdl:operation>
</wsdl:portType>
<wsdl:binding name="RandomTestServiceSoapBinding" type="tns:RandomTest">
    <soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
    <wsaw:UsingAddressing wsdl:required="true"/>
    <wsp:PolicyReference URI="#RandomTestServiceSoapBinding_WSAM_Addressing_Policy"/>
    <wsdl:operation name="nextRandom">
      <soap:operation soapAction="" style="document"/>
      <wsdl:input name="nextRandom">
        <soap:body use="literal"/>
      </wsdl:input>
      <wsdl:output name="nextRandomResponse">
        <soap:body use="literal"/>
      </wsdl:output>
    </wsdl:operation>
</wsdl:binding>
<wsdl:service name="RandomTestService">
    <wsdl:port binding="tns:RandomTestServiceSoapBinding" name="RandomTestPort">
      <soap:address location="http://localhost:8080/servertest/RandomTest"/>
    </wsdl:port>
</wsdl:service>
    <wsp:Policy xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" wsu:Id="RandomTestServiceSoapBinding_WSAM_Addressing_Policy"><wsam:Addressing><wsp:Policy/></wsam:Addressing></wsp:Policy>
</wsdl:definitions>
3) ant build.xml to generate the client code from WSDL
<?xml version="1.0" encoding="UTF-8"?>
<project default="build" basedir="..">
    <property name="jaxws.classpath" location="C://jaxws-2.2.8/jaxws-ri/lib/*.jar"/>
    <taskdef name="wsimport" classname="com.sun.tools.ws.ant.WsImport">
           <classpath path="${jaxws.classpath}"/>
    </taskdef>
    <target name="build" >
        
        <wsimport wsdl="http://localhost:8080/servertest/RandomTest?wsdl"
               verbose="true"
               sourcedestdir="src"
               destdir="bin"
               keep="true">
               <xjcarg value="-enableIntrospection"/>
        </wsimport>
    </target>
</project>
4) Client code
4a) ClientTest.java - Actual client run from client
package test.wsclient;
import java.util.ArrayList;
import java.util.List;
import javax.xml.ws.BindingProvider;
import javax.xml.ws.Endpoint;
import javax.xml.ws.handler.Handler;
import javax.xml.ws.soap.AddressingFeature;
import org.nowhere.services.RandomTest;
import org.nowhere.services.RandomTestService;
public class ClientTest {
    public static void main(String args[]) throws Exception {
        ClientTest app = new ClientTest();
        app.testAddressing();
    public void testAddressing() throws Exception {
        String REPLY_TO_ADDRESS = "http://localhost:8082/servertest/RandomCallback";
        String FAULT_TO_ADDRESS = "http://localhost:8082/servertest/RandomCallbackFault";
        RandomTestService service = new RandomTestService();
        RandomTest port = service.getRandomTestPort(new AddressingFeature());
        BindingProvider provider = (BindingProvider) port;
        // pass the replyTo address to the handler
        provider.getRequestContext().put("ReplyTo", REPLY_TO_ADDRESS);
        provider.getRequestContext().put("FaultTo", FAULT_TO_ADDRESS);
        // Register handlers to set the ReplyTo and FaultTo on the SOAP request sent to the WS endpoint
        List<Handler> handlerChain = new ArrayList<Handler>();
        handlerChain.add(new ClientHandler());
        provider.getBinding().setHandlerChain(handlerChain);
        // Start endpoint to receive callbacks from WS
        Endpoint endpoint = Endpoint.publish(REPLY_TO_ADDRESS, new CallbackSEI());
        try {
            port.nextRandom(false);
        } catch( Exception ex ) {
            ex.printStackTrace();
        } finally {
            Thread.sleep(10000);
        endpoint.stop();
        System.exit(0);
4b) ClientHandler.java - Used to set the wsa ReplyTo address and FaultTo address when sending SOAP request from client to server
package test.wsclient;
import java.util.Set;
import javax.xml.namespace.QName;
import javax.xml.soap.SOAPEnvelope;
import javax.xml.soap.SOAPHeader;
import javax.xml.ws.handler.MessageContext;
import javax.xml.ws.handler.MessageContext.Scope;
import javax.xml.ws.handler.soap.SOAPHandler;
import javax.xml.ws.handler.soap.SOAPMessageContext;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class ClientHandler implements SOAPHandler<SOAPMessageContext> {
    public ClientHandler() {};
    @Override
    public Set<QName> getHeaders() {
        return null;
    @Override
    public void close(MessageContext arg0) {
    @Override
    public boolean handleFault(SOAPMessageContext context) {
        return true;
    protected void setAnAddress(SOAPHeader header, String tagName, String address) {
        NodeList nodeListReplyTo = header.getElementsByTagName(tagName);
        NodeList nodeListAddress = nodeListReplyTo.item(0).getChildNodes();
        for (int i = 0; i < nodeListAddress.getLength(); i++) {
            Node node = nodeListAddress.item(i);
            if ("Address".equals(node.getLocalName())) {
                node.setTextContent(address);
                break;
    protected String getMessageID(SOAPHeader header) {
        NodeList nodeListMessageId = header.getElementsByTagName("MessageID");
        return nodeListMessageId.item(0).getTextContent();
    @Override
    public boolean handleMessage(SOAPMessageContext context) {
        Boolean isOutbound = (Boolean) context.get(SOAPMessageContext.MESSAGE_OUTBOUND_PROPERTY);
        if (isOutbound) {
            try {
                SOAPEnvelope envelope = context.getMessage().getSOAPPart().getEnvelope();
                SOAPHeader header = envelope.getHeader();
                /* extract the generated MessageID */
                String messageID = getMessageID(header);
                context.put("MessageID", messageID);
                context.setScope("MessageID", Scope.APPLICATION);
                /* change ReplyTo address */
                setAnAddress(header, "ReplyTo", (String) context.get("ReplyTo"));
                setAnAddress(header, "FaultTo", (String) context.get("FaultTo"));
            } catch (Exception ex) {
                throw new RuntimeException(ex);
        return true;
4c) CallbackSEI.java - endpoint on the client for server to send the SOAP response back to the client
package test.wsclient;
import javax.annotation.Resource;
import javax.jws.Oneway;
import javax.jws.WebParam;
import javax.jws.WebService;
import javax.xml.ws.Action;
import javax.xml.ws.RequestWrapper;
import javax.xml.ws.WebServiceContext;
import javax.xml.ws.soap.Addressing;
@WebService
@Addressing
//@HandlerChain(file = "/handler-chain.xml")
public class CallbackSEI {
    @Resource
    private WebServiceContext context;
     * If there is no namespace specified in the method below, then the CallbackSEI needs to be in the same package as the
     * WS endpoint.
    @Oneway
    @Action(input="http://services.nowhere.org/RandomTest/nextRandomResponse")
    @RequestWrapper(localName="nextRandomResponse", targetNamespace="http://services.nowhere.org/")
    public void handleNotification(@WebParam(name="return")long random) {
        System.out.println("Asynch response received");
        System.out.println( random );
        //System.out.println("This response relates to the message ID: "+ getMessageID());
In summary:
Server is listening on port 8080
Client will listen in port 8082 for the callback from the server for the SOAP response
Now when I run the client, I see that the proper behaviour as far as ws-addressing is concerned. That is:
client -- SOAP request ( on port 8080 ) --> server
client <-- HTTP 202 ( empty HTTP body ) --- server
client <-- SOAP response ( on port 8082 ) --- server
All well and good, except that I am getting a NullPointerException on the client side when I call the operation.
With debugging of the SOAP request and responses, I get the following output:
---[HTTP request - http://localhost:8080/servertest/RandomTest]---
Accept: text/xml, multipart/related
Content-Type: text/xml; charset=utf-8
SOAPAction: "http://services.nowhere.org/RandomTest/nextRandomRequest"
User-Agent: JAX-WS RI 2.2.8 svn-revision#13980
<?xml version='1.0' encoding='UTF-8'?><S:Envelope xmlns:S="http://schemas.xmlsoap.org/soap/envelope/" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"><S:Header><To xmlns="http://www.w3.org/2005/08/addressing">http://localhost:8080/servertest/RandomTest</To><Action xmlns="http://www.w3.org/2005/08/addressing">http://services.nowhere.org/RandomTest/nextRandomRequest</Action><ReplyTo xmlns="http://www.w3.org/2005/08/addressing">
    <Address>http://localhost:8082/servertest/RandomCallback</Address>
</ReplyTo><FaultTo xmlns="http://www.w3.org/2005/08/addressing">
    <Address>http://localhost:8082/servertest/RandomCallbackFault</Address>
</FaultTo><MessageID xmlns="http://www.w3.org/2005/08/addressing">uuid:bcd2f6ef-3034-49e8-b837-dbd6a772fb93</MessageID></S:Header><S:Body><ns2:nextRandom xmlns:ns2="http://services.nowhere.org/"><arg0>false</arg0></ns2:nextRandom></S:Body></S:Envelope>--------------------
---[HTTP response - http://localhost:8080/servertest/RandomTest - 202]---
null: HTTP/1.1 202 Accepted
Content-Length: 0
Content-Type: text/xml;charset=UTF-8
Date: Fri, 18 Jul 2014 08:34:36 GMT
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java.lang.NullPointerException
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    at test.wsclient.ClientTest.testAddressing(ClientTest.java:43)
    at test.wsclient.ClientTest.main(ClientTest.java:18)
---[HTTP request]---
Cache-control: no-cache
Host: localhost:8082
Content-type: text/xml; charset=UTF-8
Content-length: 704
Connection: keep-alive
Pragma: no-cache
User-agent: Apache CXF 2.7.7.redhat-1
Accept: */*
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"><soap:Header><Action xmlns="http://www.w3.org/2005/08/addressing">http://services.nowhere.org/RandomTest/nextRandomResponse</Action><MessageID xmlns="http://www.w3.org/2005/08/addressing">urn:uuid:65d8d7fc-09e4-494a-a9c5-0a01faf4d7e6</MessageID><To xmlns="http://www.w3.org/2005/08/addressing">http://localhost:8082/servertest/RandomCallback</To><RelatesTo xmlns="http://www.w3.org/2005/08/addressing">uuid:bcd2f6ef-3034-49e8-b837-dbd6a772fb93</RelatesTo></soap:Header><soap:Body><ns2:nextRandomResponse xmlns:ns2="http://services.nowhere.org/"><return>2870062781194370669</return></ns2:nextRandomResponse></soap:Body></soap:Envelope>--------------------
Asynch response received
2870062781194370669
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Is it possible to reduce the number of HTTP calls when using a ReportViewer control?

My application is written in .Net 4 using Visual Studio 2010 (version 10 of the ReportViewer control). The report in question contains a lot of data in the dropdowns used for parameter selection. For example, one dropdown contains 95k options and another
uses 24k options (I know this is bad design, but we need to keep it as-is for this release). When I use Fiddler to profile the report, I see that it makes a lot of HTTP calls and a majority return the same dataset. There are three phases of loading data. Each
one initiates a series of HTTP calls.
Loading the initial header with the filter controls (dropdowns, textboxes, etc).
Changing one of the dropdowns that has a dependent dropdown (start date/end date)
Loading the final report after clicking the View Report button
In total, 13 HTTP calls are made and 10 of those are returning the same 10MB of data. The final report only returns 13 records, but the whole process of loading the report filters, changing report filters and loading the report require 130MB of data to be
exchanged. This is an extreme example, but we do have other reports that are doing the same with smaller amounts of data.
My question: is there any way to modify the ReportViewer or the SSRS server to reduce the number of calls? Is this related to ViewState? Please understand that I am new to Reporting Services and have a lot to learn.

Hi rodeofive,
As per my understanding, the issue is a performance issue. And it is caused by there are thousands of values in the drop-down list of parameters in the report.
To work around this issue, I suggest you should make some changes in the report. For example, we can add additional two parameters with multiple keywords ahead, one for the dropdown contains 95k options, another for dropdown contains 24k options. Then all
of available values which are begin with the keywords will display in the parameter list. In this scenario, we can create cascading parameters. One is a keyword parameter, and the other parameter is the drop-down list that based on the keyword to display the
available values.
For more details about the method, please refer to the following FAQ:
http://social.msdn.microsoft.com/Forums/sqlserver/en-US/8de6c783-9cb4-4b95-9be8-b59bc0049866/forum-faqhow-do-i-add-a-search-feature-in-the-parameter-with-long-drop-down-list?forum=sqlreportingservices#8de6c783-9cb4-4b95-9be8-b59bc0049866
Hope this helps.
Thanks,
Katherine Xiong
Katherine Xiong
TechNet Community Support

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