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Former Member

Error in creating JCo connection with destination type'Load-Balanced Con'

Hi,

I am working on webdynpro application(NW 04s), i need to connect with the backend system(ECC 6.0) using model.I configured my SLD and created technical system successfully.

  • The technical system got created with an error:

CIM_ERR_ALREADY_EXISTS: Instance already exists: SAP_BCApplicationServer.CreationClassName="SAP_BCApplicationServer",Name="ID1.Number.01.HostName.ahsides"

But the system got created so I proceeded with Jco connection creation:

I need to create 2 Jco connections for this,

First with Data Type 'Application Data' & Destination Type 'Single-Server connection'. Second with Data Type 'Data Dictionary' & Destination type 'Load-balanced Connection'.

The first Jco with 'Single-Server connection' got created successfully and ping and test is also successfull.

The second Jco connection with 'Load-Balanced Connection' got created successfull but it is throwing error while pinging and testing.

Ping Error : Failed to ping JCo destination 'WD_EMPLOYEE_RFC_METADATA_DEST'.

Test Error : com.sap.mw.jco.JCO$Exception: (102) JCO_ERROR_COMMUNICATION: JCO.Client not connected in repository call

Please help me in this.This problem was with 'Load-Balanced Connection' only.

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  • author's profile photo Former Member
    Former Member
    Posted on Nov 29, 2006 at 12:51 PM

    Hi,

    I have the same problem. Got you any solution?

    Thanks

    Christian

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  • author's profile photo Former Member
    Former Member
    Posted on Dec 27, 2007 at 06:54 PM

    Hi,

    Have you taken a look at the file %windir%\system32\drivers\etc\services?

    If you haven't, try and find the line sapms<sid>, where sid is de SID of the system you-re trying to reach.

    If the line isn't there write it down like this.

    sapms<sid> 36<nr>/tcp

    That works for me.

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