[Pidgin] #1449: Can't join AIM chatrooms (only sometimes; Pidgin doesn't crash)

[Pidgin]

#1449: Can't join AIM chatrooms (only sometimes; Pidgin doesn't crash)
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 Reporter:  Refinery            |        Owner:  MarkDoliner
     Type:  defect              |       Status:  new        
Milestone:                      |    Component:  AIM        
  Version:  2.0.1               |   Resolution:             
 Keywords:  AIM chat room join  |  
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Comment(by MarkDoliner):

 I was able to reproduce this just now, and I had wireshark running and
 capturing packets.  Pidgin sends the 0x0d/0x08 SNAC to the chatnav server
 to attempt to create a new room, but we don't get any response from the
 server.  My computer tries to retransmit the request after 0.6s, then
 again after 1.2s, then 2.4s, 4.8s, 9.6s, 19.2s, etc.

 I'm not sure why my computer never gives up and realizes that the
 transmission is failing.  The most recent request before my create request
 was 952s earlier.  It was successful, and there were no other TCP messages
 between those two events.

 I don't know if this problem lies in my router, or if AOL's servers aren't
 sending a TCP failure messages when we expect them to.  I might experiment
 with sending some sort of keepalive message on chat and chatnav
 connections.

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Ticket URL: <http://developer.pidgin.im/ticket/1449#comment:50>
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