I've started using ASIHTTPRequest in my iOS project to execute REST server method calls and so far have been very successful with it. I just have one strange intermittent problem. Very occasionally I get the following response from using [ASIHTTPRequest startAsynchronous] :
HTTP/0.9 200 OK
When this occurs my server method doesn't get called. Normally every method call returns with a response starting 'HTTP/1.1'. I'm using HTTPS with a GeoTrust/RapidSSL certificate to secure the connection. Interestingly I've found that I get the same 'HTTP/0.9 200 OK' response if I try to connect to the SSL port (443) but specifying 'http' as the protocol.
Just to add more info - the problem mostly occurs after the app has been left idle for a period of time. E.g. request completes successfully, then leave app idle for a while, then on the next request the problem occurs then app continues to work fine.
Can anybody shed some light on what might be occurring?
Many thanks, Jonathan
UPDATE : I've pasted below some debug information output by ASIHTTPRequest when the problem occurred :
2012-07-12 09:35:49.376 mytestapp[3038:18f07] [CONNECTION] Closing connection #13 because it has expired
2012-07-12 09:35:49.377 mytestapp[3038:18f07] [CONNECTION] Closing connection #14 because it has expired
2012-07-12 09:35:49.378 mytestapp[3038:18f07] [CONNECTION] Closing connection #15 because it has expired
2012-07-12 09:35:49.380 mytestapp[3038:18f07] [CONNECTION] Request #39 will use connection #16
2012-07-12 09:35:49.381 mytestapp[3038:18f07] [CONNECTION] Request #40 will use connection #17
2012-07-12 09:35:49.382 mytestapp[3038:18f07] [CONNECTION] Request #41 will use connection #18
2012-07-12 09:35:49.529 mytestapp[3038:18f07] [STATUS] Request <ASIHTTPRequest: 0x88a1e00> finished downloading data (0 bytes)
2012-07-12 09:35:49.529 mytestapp[3038:18f07] [STATUS] Request <ASIHTTPRequest: 0x88a1e00> received respon