on 03-13-2009 8:03 AM
Hi Guru's,
we have often entrys like "Operating system call connect failed (error no. 79 )" in the Syslog (SM21).
How is the best way to find the cause of the messages?
In the detail of the Syslog-Message are only this...
Details Page 13 Line 24 System Log: Local Analysis of p51a004 1
Time Type Nr Clt User TCode Grp N Text
08:00:56 RD Q0 I Operating system call connect failed (error no. 79 )
Operating system call connect failed (error no. 79 )
Details
Recording at local and central time........................ 12.03.2009 08:00:56
Task...... Process User...... Terminal Session TCode Program Cl Problem cl Package
12575 Gateway K SAP Web AS Problem STSK
Further details for this message type
Module nam Line Error text Caller.... Reason/cal
nixxi.cp 2823 connect 79 NiPConn connect
Documentation for system log message Q0 I :
The specified operating system call was returned with an error.
For communication calls (receive, send, etc) often the cause of errors
are network problems.
It could also be a configuration problem at operating system level.
(file cannot be opened, no space in the file system etc.).
Additional specifications for error number 79
Name for errno number ECONNREFUSED
Interprocess communication (e.g. TCP/IP) connection refused by partner.
This usually means that the necessary receiver program is not running.
Technical details
File Offset RecFm System log type Grp N variable message data
240 473220 m Error (Function,Module,Row) Q0 I connect 79 NiPConnconnectnixxi.cp2823
In the dev_ traces are not more informations.
regards
chris
Dear Chris,
more information should be in dev_rd. The error means that a TCP connection to the specified server/port could not be established. You will see the same error, when you do 'telnet <host> <port>' on a port that is not being used. If dev_rd does not give more info, then do the following:
1. Reset the trace file dev_rd (e.g. from transaction SMGW)
2. Set the profile parameters:
rdisp/TRACE_PATTERN_0 = Q0I
rdisp/TRACE_LOGGING = on, 20 m
3. Increase the trace level of the gateway
This will run the gateway in trace level 2 up to the point in time when there is another Q0I syslog. dev_rd should then tell you the server and port that is being used.
Best Regards,
Tim
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