When I try to update an entry, I'm getting "400 Bad Request: Entry ID does not match the request header".

Here's a trace of the request, does anyone have an idea what I'm doing wrong here?

POST /calendar/feeds/default/private/full/9ddg1jogiksinf23k0hfh0jmd8/63289503567?gsessionid=Ytt1GtjCuFw HTTP/1.1 Authorization: GoogleLogin auth=.... Content-Type: application/atom+xml X-HTTP-Method-Override: PUT User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) Host: www.google.com Content-Length: 739 Proxy-Connection: Keep-Alive Pragma: no-cache

<?xml version="1.0" encoding="utf-8"?> <entry xmlns="http://www.w3.org/2005/Atom" xmlns:gd="http://schemas.google.com/g/2005"> <category scheme="http://schemas.google.com/g/2005#kind" term="http://schemas.google.com/g/2005#event"/> <id> http://www.google.com/calendar/feeds/default/private/full/9ddg1jogiksinf23k0hfh0jmd8 </id> <link href="http://www.google.com/calendar/feeds/default/private/full/9ddg1jogiksinf23k0hfh0jmd8/63289503567" rel="edit"/> <title type="text"> test2 </title> <author> <name> Razor Dead </name> <email> razo...@gmail.com </email> </author> <gd:where/> <gd:when endTime="2006-07-25T05:00:00.000-07:00" startTime="2006-07-25T04:00:00.000-07:00"/> </entry>

HTTP/1.1 400 Bad Request Content-Type: text/plain;charset=iso-8859-1 Cache-control: private Transfer-Encoding: chunked Date: Wed, 26 Jul 2006 04:08:02 GMT Server: GFE/1.3

c2 Entry ID does not match the request header: 'http://www.google.com/calendar/feeds/default/private/full/9ddg1jogiksinf23k0hfh0jmd8' vs. '/default/private/full/9ddg1jogiksinf23k0hfh0jmd8'. 0