Here's some example code I posed at d.o showing how to communicate between two Drupal 6 sites using Services 2.2 thru 2.4, & the XMLRPC server:

http://drupal.org/node/774298

you'll want to examine the "send()" routine, which is used to call any xmlrpc method. The example code uses the Drupal API, rather than cURL, as you are attempting to use. However, the key logic you'll want to see is the "send()" routine, which is the handling & packaging of the method arguments before calling the remote method. Your code you show below is incorrect for XMLRPC parameter packaging.

Additionally, as an aid for you to convert between the logic I give above and your attempts to use cURL, I have another post at g.o showing how to communicate with a Services 3.0 REST remote API - with two examples: one using cURL and one using the Drupal API. Granted, my second example is for a REST server in Services 3.0, but it demonstrates the cURL handling - you'll just need to translate the first code example's packaging of the method parameters for XMLRPC transport.

http://drupal.org/node/1070066

And for your assurance, both code examples I've posted are taken directly from live sites using those implementations. 

Sincerely,
-Blake

On Mar 4, 2011, at 2:30 PM, jeff@ayendesigns.com wrote:

After hours of searching, scouring, absorbing it was determined that there was little hope of (currently) getting past Services 2.4 and REST returning a 404 error, so I switched to xmlrpc.

I have a simple script to hit my service from outside the site, fine-tuned a couple dozen times based on various recommendations, to currently be:

$url = "http://localhost/mydomain/services/xmlrpc";
$ch = curl_init();
$data = 'method=my.method&id=12345&text=hello';
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_URL, $url);

$response = curl_exec($ch);

with $data as a string like above, I continuously receive: faultCode  -32700    faultString  Parse error. Request not well formed. 

If I change the postfields to be an array('method'=>'my.method','id'=>12345...  I instead continuously receive a message that xmlrpc will only handle Post transactions.

--
I am a non sequitur. Beware, the contents were packaged where peanuts are processed.

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