Consuming a Webservice is extremly slow

Question

Hi
I would like to use a Webservice to communicate with a
server. For test purposes I wrote a small java webservice which
adds to numbers using the following 2 classes.
== Class Calculator ==
package de.theserverside.webservice.service;
import javax.jws.WebService;
import javax.jws.soap.SOAPBinding;
import javax.jws.soap.SOAPBinding.Style;
@WebService
@SOAPBinding(style=Style.RPC)
public class Calculator
public long addValues(int val1, int val2) {
return val1 + val2;
== Class CalculatorServer ==
package de.theserverside.webservice.service;
import javax.xml.ws.Endpoint;
import de.theserverside.webservice.service.Calculator;
public class CalculatorServer {
public static void main (String args[]) {
Calculator server = new Calculator();
Endpoint endpoint =Endpoint.publish("
http://<IP Adresse>/calculator?wsdl",
server);
In Coldfusion I tested both methods to consume this
Webservice:
<cfinvoke webservice="
http://<IP Adresse>/calculator?wsdl"
method="addValues" returnvariable="aString">
<cfinvokeargument name="arg0" value="1"/>
<cfinvokeargument name="arg1" value="6"/>
</cfinvoke>
<cfoutput>#aString#</cfoutput>
== mit cfskript ==
<cfscript>
ws = createObject("webservice","
http://<IP
Adresse>/calculator?wsdl");
xlatstring = ws.addValues(2,9);
</cfscript>
<cfoutput>#xlatstring#</cfoutput>
The Webservice works with both methods but it takes between 5
and 6 Minutes to get a result.
I also wrote a java client to test the webservice which
returned the result within 1 second.
Whats the problem here with CF?
I am using CF 8

Answer 1

I found a third way to call a webservice using chttp. But now
I have the problem that I cant pass paramaters to my method.
I wrote a simple hello world method without any paramater and
it worked within 1 sec.
When I try to use the addValues method I get this Error:
ns2:Serverjava.lang.IllegalArgumentException
here is the CF Code
<cfsavecontent variable="soap">
<soapenv:Envelope xmlns:soapenv="
http://schemas.xmlsoap.org/soap/envelope/"
xmlns:ser="
http://service.webservice.theserverside.de/">
<soapenv:Header/>
<soapenv:Body>
<ser:addValues>
<arg0>6</arg0>
<arg1>34</arg1>
</ser:addValues>
</soapenv:Body>
</soapenv:Envelope>
</cfsavecontent>
<cfhttp url="
http://<IP>/calculator?wsdl"
method="post">
<cfhttpparam type="header" name="content-type"
value="text/xml">
<cfhttpparam type="header" name="SOAPAction" value="">
<cfhttpparam type="header" name="content-length"
value="#len(soap)#">
<cfhttpparam type="header" name="charset"
value="utf-8">
<cfhttpparam type="xml" name="message"
value="#trim(soap)#">
</cfhttp>
<!--- Dump out a nice representation of the SOAP response
--->
<cfoutput>#cfhttp.FileContent#</cfoutput>
<cfdump var="#xmlParse(cfhttp.FileContent)#">