2538321 - Connection test Unknown Error

• At transaction SM59, when performing "Connection test" of a destination type G (HTTP Connections to External Server) the message "Unknown Error" is raised.
• On ICM trace level 2 or 3 (dev_icm) is the following entries are seen:

  [Thr 1556] *** ERROR => Error in HTTP response: 11 {0003b88e} [http_plg.c 6411]
  
  

  [Thr 1556] PlugInStopConn: role: Client(2), error: 11, write_err: 1

  [Thr 1556] PlugInStopConn: role: client->write error response

SAP NetWeaver release independent.

KBA , BC-CST-IC , Internet Communication Manager , BC-MID-RFC , RFC , BC-MID-ICF , Internet Communication Framework , Problem