// Establish the URL endpoint which is the connector Web service.

   to = reqBase + "/irj/servlet/prt/soap/ConnectorWebService";
   URLEndpoint urlEndpoint = new URLEndpoint(to);
   int id = Integer.parseInt(id_msg);

// Construct the SOAP message.
   SOAPMessage msg = constructMessage(id);

// Send the message to the provider using the connection.
   SOAPMessage reply = con.call(msg, urlEndpoint);

// Constructing the headers of the SOAP message. 
// (according to your requirements).
// A common header declaration, as shown here, is defining namespaces.
// Create a message factory.
   MessageFactory mf = MessageFactory.newInstance();

// Create a message from the message factory.
   SOAPMessage msg = mf.createMessage();

// Message creation takes care of creating the SOAPPart,
// a required part of the message as per the SOAP 1.1 specification.
   SOAPPart sp = msg.getSOAPPart();

// Retrieve the envelope from the soap part to start building the 
// soap message.
   SOAPEnvelope envelope = sp.getEnvelope();

// Create a soap header from the envelope.
   SOAPHeader hdr = envelope.getHeader();

// get a soap body from the envelope.
   SOAPBody bdy = envelope.getBody();

   bdy.setEncodingStyle("http://schemas.xmlsoap.org/soap/encoding/");
   bdy.addNamespaceDeclaration("wn0", wn0URI);
   bdy.addNamespaceDeclaration("wn1", "http://www.w3.org/2001/XMLSchema");
   bdy.addNamespaceDeclaration("wn2",
                               "http://www.w3.org/2000/10/XMLSchema");
   bdy.addNamespaceDeclaration("wn3", "http://www.w3.org/1999/XMLSchema");
   bdy.addNamespaceDeclaration("prt", "http://prt.java.soap/schemas");
   bdy.addNamespaceDeclaration("wn4",
                               "urn:com.sap.ConnectorWebService");
   bdy.addNamespaceDeclaration("xsi", xsiURI);

// You generate the rest of the SOAP message according to the method
// you want the Web server to run. (Note: Only one method per request.)
// For example: getting connector capabilities.
   Name childName = null;

// Create a Name object for the method.
   Name methodName = envelope.createName("getCapabilities", "wn4", null);

// Add a soap body element to the soap body.
   SOAPBodyElement service = bdy.addBodyElement(methodName);

   childName = envelope.createName("JNDIName");
   SOAPElement param0   = service.addChildElement(childName);
   Name typeName = envelope.createName("type", "xsi", xsiURI);
   param0.addAttribute(typeName, "wn1:string");
   param0.addTextNode("EISConnections/JDBCFactory");

   childName = envelope.createName("connectionString");

   SOAPElement param1 = service.addChildElement(childName);
   typeName = envelope.createName("type", "xsi", xsiURI);
   param1.addAttribute(typeName, "wn1:string");
   param1.addTextNode("driver=com.sap.jdbc.sqlserver.SQLServerDriver,
                       url=jdbc:sap:sqlserver://localhost:1433;
                       user=sa;password=sa;databaseName=Northwind,");

// Example for launching a query:
   private void executeQuery(SOAPEnvelope envelope, SOAPBody bdy) 
                 throws Exception
   {
    Name childName  = null;
    Name methodName = envelope.createName("executeQuery", "wn4", null);

// Add a soap body element to the soap body.
    SOAPBodyElement service = bdy.addBodyElement(methodName);

    childName = envelope.createName("JNDIName");
    SOAPElement param0 = service.addChildElement(childName);
    Name typeName = envelope.createName("type","xsi",xsiURI);
    param0.addAttribute(typeName,"wn1:string");
    param0.addTextNode("EISConnections/JDBCFactory");

    childName = envelope.createName("connectionString");
    SOAPElement param1 = service.addChildElement(childName);
    typeName = envelope.createName("type","xsi",xsiURI);
    param1.addAttribute(typeName,"wn1:string");

    param1.addTextNode("driver=com.sap.jdbc.sqlserver.SQLServerDriver,
                       url=jdbc:sap:sqlserver://localhost:1433;
                       user=sa;password=sa;databaseName=Northwind,");

    childName = envelope.createName("queryString");
    SOAPElement param2 = service.addChildElement(childName);
    typeName = envelope.createName("type","xsi",xsiURI);
    param2.addAttribute(typeName,"wn1:string");
    param2.addTextNode("select * from  [dbo].[Customers]");

    childName = envelope.createName("startFromRecord");
    SOAPElement param3 = service.addChildElement(childName);
    typeName = envelope.createName("type","xsi",xsiURI);
    param3.addAttribute(typeName,"wn1:int");
    param3.addTextNode("1");

    childName = envelope.createName("recordsNumberToRetrive");
    SOAPElement param4 = service.addChildElement(childName);
    typeName = envelope.createName("type","xsi",xsiURI);
    param4.addAttribute(typeName,"wn1:int");
    param4.addTextNode("10");
   }