AI_RUNTIME_JCOSERVER – Timeout while waiting for a connection to be established

Symptom
In trace files dev_rfc* we have error:

**** Trace file opened at 20120523 133135 MSK, by disp+work
**** Versions SAP-REL 711,0,152 RFC-VER U 3 1297884 MT-SL
======> CPIC-CALL: 'ThSAPOCMINIT' : cmRc=27 thRc=677
Timeout while waiting for a connection to be established
ABAP Programm: CL_MAPPING_XMS_PLSRV3=========CP (Transaction: )
User: PIAFUSER (Client: 001)
Destination: AI_RUNTIME_JCOSERVER (handle: 1, , )
Error RFCIO_ERROR_SYSERROR in abrfcpic.c : 1730
CPIC-CALL: 'ThSAPOCMINIT' : cmRc=27 thRc=677
Timeout while waiting for a connection to be established
DEST =AI_RUNTIME_JCOSERVER
HOST =%%RFCSERVER%%
PROG =AI_RUNTIME_SID


Solution

1. How describe in this docs
http://help.sap.com/saphelp_nwpi711/helpdata/en/48/ce601d35700783e10000000a42189d/frameset.htm
Increase server count to 10 for AI_RUNTIME_JCOSERVER.

2. Note 937159 – XI Adapter Engine is stuck

3. Note 1025368 – Error msgs concerning server cache in ICM trace (dev_icm)