I'm starting to think it's not being called correctly.
Here is my dump using RKLogConfigureByName("RestKit/Network",
RKLogLevelTrace);...
2012-01-25 14:44:30.287 TestACX[10487:207] D
restkit.network:RKClient.m:389 Reachability to host '0.0.0.0'
determined for client <RKClient: 0x8c44a60>, unsuspending queue
<RKRequestQueue: 0x8c469c0 name=(null) suspended=YES requestCount=0
loadingCount=0/5>
2012-01-25 14:44:32.760 TestACX[10487:207] Filter XML: <?xml
version="1.0" encoding="utf-8" ?>
<getBlogPosts>
<filter>
<tags>test_tag</tags>
</filter>
</getBlogPosts>
2012-01-25 14:44:32.763 TestACX[10487:207] D
restkit.network:RKRequest.m:362 Sending asynchronous POST request to
URL
https://xxxxx.com/cs/rpc/rest/blogService/blogsPostsWithFilter.
2012-01-25 14:44:32.765 TestACX[10487:207] T
restkit.network:RKRequest.m:310 Prepared POST URLRequest
'<NSMutableURLRequest
https://xxxxx.com/cs/rpc/rest/blogService/blogsPostsWithFilter>'.
HTTP Headers: {
Authorization = "Basic
Y29keS5nYXJ2aW5Adml6d2Vya3MuY29tOlZpendlcmtzMjI0MA==";
"Content-Length" = 982;
"Content-Type" = "application/xml";
}. HTTP Body: <?xml version="1.0" encoding="utf-8" ?>
<getBlogPosts>
<filter>
<tags>test_tag</tags>
</filter>
</getBlogPosts>.
2012-01-25 14:44:33.049 TestACX[10487:207] D
restkit.network:RKResponse.m:163 Asked if
canAuthenticateAgainstProtectionSpace: with authenticationMethod =
NSURLAuthenticationMethodServerTrust
2012-01-25 14:44:33.216 TestACX[10487:207] D
restkit.network:RKResponse.m:196 NSHTTPURLResponse Status Code: 406
2012-01-25 14:44:33.217 TestACX[10487:207] D
restkit.network:RKResponse.m:197 Headers: {
Connection = close;
"Content-Encoding" = gzip;
"Content-Length" = 235;
"Content-Type" = "text/html; charset=iso-8859-1";
Date = "Wed, 25 Jan 2012 22:44:33 GMT";
Vary = "Accept-Encoding";
}
2012-01-25 14:44:33.218 TestACX[10487:207] T
restkit.network:RKResponse.m:202 Read response body: <!DOCTYPE HTML
PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>406 Not Acceptable</title>
</head><body>
<h1>Not Acceptable</h1>
<p>An appropriate representation of the requested resource /cs/rpc/
rest/blogService/blogsPostsWithFilter could not be found on this
server.</p>
</body></html>
2012-01-25 14:44:33.218 TestACX[10487:207] I
restkit.network:RKRequest.m:562 Status Code: 406
2012-01-25 14:44:33.219 TestACX[10487:207] I
restkit.network:RKRequest.m:563 Body: <!DOCTYPE HTML PUBLIC "-//IETF//
DTD HTML 2.0//EN">
<html><head>
<title>406 Not Acceptable</title>
</head><body>
<h1>Not Acceptable</h1>
<p>An appropriate representation of the requested resource /cs/rpc/
rest/blogService/blogsPostsWithFilter could not be found on this
server.</p>
</body></html>
2012-01-25 14:44:33.220 TestACX[10487:207] Got a response from the
server: 406
2012-01-25 14:44:33.221 TestACX[10487:207] Content type: text/html;
charset=iso-8859-1
2012-01-25 14:44:33.222 TestACX[10487:207] Unknown: <!DOCTYPE HTML
PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>406 Not Acceptable</title>
</head><body>
<h1>Not Acceptable</h1>
<p>An appropriate representation of the requested resource /cs/rpc/
rest/blogService/blogsPostsWithFilter could not be found on this
server.</p>
</body></html>