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Jco RFC Error : The JCo servers could not be started.

Hi,

I am trying to build Jco RFC from portal to ECC. I have given gateway host and gateway service of portal in 'Server Configuration Details'. I am getting the below error while Jco RC creation.

Requsting your help in resolving this issue

The JCo servers could not be started. Reason: LOCATION CPIC (TCP/IP) on local host with Unicode ERROR hostname 'XXXXXX ' unknown TIME Mon May 8 09:59:51 2017 RELEASE 745 COMPONENT NI (network interface) VERSION 40 RC -2 MODULE /bas/745_REL/src/base/ni/niuxi.c LINE 1759 DETAIL NiPGetHostByName: ' ' not found SYSTEM CALL getaddrinfo COUNTER 9

Below is the log message from Log Viewer.

Message: Could not start JCo Destinations. Reason : java.rmi.RemoteException:
ERROR hostname 'XXXXXX' unknown
TIME Mon May 8 13:05:50 2017
RELEASE 745
COMPONENT NI (network interface)
VERSION 40
RC -2
MODULE /bas/745_REL/src/base/ni/niuxi.c
LINE 1759
DETAIL NiPGetHostByName: 'XXXXXXX ' not found
SYSTEM CALL getaddrinfo
COUNTER 5
; nested exception is:
com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION:
ERROR hostname 'XXXXXXXXX' unknown
TIME Mon May 8 13:05:50 2017
RELEASE 745
COMPONENT NI (network interface)
VERSION 40
RC -2
MODULE /bas/745_REL/src/base/ni/niuxi.c
LINE 1759
DETAIL NiPGetHostByName: '' not found
SYSTEM CALL getaddrinfo
COUNTER 5

Thanks

Venu

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1 Answer

  • May 12, 2017 at 10:14 AM

    Dear Venu

    Many thanks for using the Q&A Forums here on SAP Communities, and I hope you are keeping well.

    Based upon your scenario description and error reference highlights as we see here there are highlights pertaining to the RFC Communication Calls and the ERROR hostname 'XXXXXX' being unknown.

    Have you reviewed the hostname call on your local machine and ensure that gateway ports are open (Ask basis/Network administrator)

    The full log will depict the IP Details.

    Kind Regards,

    Troy Cronin - Enterprise Portal Support Engineer

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