on 08-29-2014 11:27 PM
I have a PI 7.4 Java only system with the SCS on server cnumw1cq and Java instance on server cnumw1aq. There is a gateway on cnumw1cq, but not server cnumw1aq.
I'm seeing these errors on server cnumw1aq
Error> occurred >Fri Aug 29 16:46:26,140< RfcException: [null]
message: Connect to SAP gateway failed
Connection parameters: TPNAME=SLD_NUC GWHOST=cnumw1aq GWSERV=sapgw05
ERROR partner '172.20.111.127:sapgw05' not reached
TIME Fri Aug 29 16:46:26 2014
RELEASE 741
COMPONENT NI (network interface)
VERSION 40
RC -10
MODULE /bas/741_REL/src/base/ni/nixxi.cpp
LINE 3325
DETAIL NiPConnect2: 172.20.111.127:3305
SYSTEM CALL connect
ERRNO 111
ERRNO TEXT Connection refused
COUNTER 20
Return code: RFC_FAILURE(1)
error group: 102
key: RFC_ERROR_COMMUNICATION
There is no gateway on cnumw1aq which is why this error is occurring I assume. Not sure where the config for this is coming from. Any ideas?
Hi Doyle,
The gateway is running on SCS instance, change is gateway host in SLD_NUC rfc to SCS host, and test rfc again.
Regards
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Check the JCO RFC's created in NWA.
Regards
RB
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Hi,
The meaning of "'172.20.111.127:sapgw05' not reached / Connection refused" is, that in the port
the sapgw05 service is not running.
Possible reasons:
-missconfiguration of SLD_NUC (it was already advised to check sld data supplier and JCo configuration)
-it is configured well, but the there is some issue with gateway. The gateway is not in healthy running state.
To double check Jco configuration problems please check if sld.log contains any failure.
Further check under sld>Adminstration->Details->Data Suppliers which Gateway appears there and
in which state are the Jco RFC threads.
Something similar is displayed:
RFC server threads:
[UP] NUC:localhost_sapgw00_SLD_NUC_772777582
[UP] UC :localhost_sapgw00_SLD_UC_1609207505
[UP] NUC:localhost_sapgw00_SLD_NUC_822790368
[UP] UC :localhost_sapgw00_SLD_UC_810227306
E.g: these RFC threads are in [UP] state.
Gabriella Kiss
Hello,
1. '172.20.111.127:sapgw05' is the same as cnumw1aq hostname?
2. To find out, why JCO/RFC server threads are down, you could do:
1. Change the SLD log level to "DEBUG".
(SLD UI -> Administration -> Log -> Current Log Level: Debug ->
-> Set Permanently)
2. Restart the SLD (SLD UI -> Administration -> Stop & Start server)
3. Wait until the WARNING "Stopping all JCO/RFC servers" appears
in the SLD log (SLD UI -> Administration -> Log).
4. Reset SLD log level to the initial value
Than check for errors/attach sld.log.
3.
Maybe you can save the above steps, when you check for the gateway, if there is a reg_info file.
Sometimes this error message is written, when the registartion in the gateway (cnumw1aq) for this TP program (SLD_UC) is not allowed for this host (in this case the sld host,==>on which host is sld).
When it is so, than reg_info file should be maintained accordingly.
Gabriella
Yes, 172.20.111.127:sapgw05' is the same as cnumw1aq
I changed the SLD Log and I see the error, pretty much same as I reported before, I dont see anything that gives further info:
#455 08/31/2014 09:31:09.485 [JCO.ServerThread-9] DEBUG com.sap.lcr.sagent.rfc.SAPProxyServer: Exception occurred in JCO server UC:cnumw1aq_sapgw05_SLD_UC_1913142551, thread JCO.ServerThread-10.
Thrown:
com.sap.mw.jco.JCO$Exception: (129) JCO_ERROR_SERVER_STARTUP: Server startup failed at Sun Aug 31 09:31:09 CDT 2014.
This is caused by either a) erroneous server settings, b) the backend system has been shutdown, c) network problems. Will try next startup in 128 seconds.
Could not start server: Connect to SAP gateway failed
Connection parameters: TPNAME=SLD_NUC GWHOST=cnumw1aq GWSERV=sapgw05
Dear
Do you have any entry like below in the D:\WINDOWS\system32\drivers\etc\services?
sapgw00 3300/tcp # SAP System Gateway Port
Have you given the entries such as Gateway host and Gateway port in your RFC (TCP/IP ) Connection.
The port number should be sapgw<inst.no> or 33<inst.no>.
check SAPOSS connectivity
Regards
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