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Former Member
Mar 13, 2009 at 03:46 PM

JCO Connection Problem

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Hi Experts,

This is not related to Java Web Dynpro directly.

We are encountering strange behavior with respect to JCo Destination.

Up to yesterday we had no problems with JCo. But when we tried to run run a Web Dynpro application, it

was not able to extract data from SAP backend.

On further investigation it was found out that JCo Destination test is failing. Following is the error when we

tried to test JCo Destination:

com.sap.mw.jco.JCO$Exception: (103) RFC_ERROR_LOGON_FAILURE: Client 100 is not available in this system

Backend is working fine with username and password in the client. Connection from ABAP server to

the the problematic ABAP server is also working (SM59). But connection from any Java portal to ABAP

server is not working.

Has anybody encountered this problem?

Best Regards,

Pramod