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Former Member

RFC_ERROR_COMMUNICATION: Connect to message server at jcon connections

Hi friends,

we are trying to configure JCo destinations for our WD application to connect to ECC6 system from NW04 J2EE engine. when we are trying to connect to this ECC system it is giving some strange error as below. We have checked the SLD settings like installation number, ECC system host, port number, logon group etc - and everything looks good. But still

facing the problem. Any help regarding this will be highly appreciated.

even ping also not working.

the error is

com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to message server host failed Connect_PM TYPE=B MSHOST=flag-projects GROUP=SPACE R3NAME=D50 MSSERV=sapmsD50 PCS=1 ERROR The message received isn't from a message server. Are you really connected to the message server? Please check your connection parameters. (flag-projects / sapmsD50) TIME Fri Sep 19 20:10:36 2008 RELEASE 700 COMPONENT MS (message handling interface, multithreaded) VERSION 4 RC -29 MODULE msxxi_mt.c LINE 2543 COUNTER 1

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3 Answers

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    Former Member
    Sep 19, 2008 at 06:36 PM

    Hi Sreekanth,

    You will be get this error because of multiple reasons.

    1.Particular system is not configured properly in SLD

    2.System might be down while testing JCO Connections.

    3.Logon group might not configured properly.

    ope this will helps.

    Thanks,

    Naidu

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    • Former Member

      log on group i set it space.

      i think it is not the problem with this .

      and the above two are configured correctly

      and instaled components i used ECC 5.0 , but we are using ECC 6.0 .iam not find this option in this list.

      can u help me on ths pls.

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    Former Member
    Sep 20, 2008 at 04:13 AM
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    Former Member
    Sep 20, 2008 at 06:17 AM

    Hi,

    Refer [SAP Java Connector Problem Analysis Scenarios|http://help.sap.com/saphelp_erp2005/helpdata/en/f6/daea401675752ae10000000a155106/frameset.htm]

    With Regards,

    Laksh.

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    • Former Member Former Member

      iam tryed all the settings

      and even entries in services file also.

      and 3600 port also working proparly i can able to ping from command propt to 3600 port of the target system but fome JCO connections this( ping ) is not working when i click on test connection iam getting above error.

      pls help me on this '