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Former Member
Dec 13, 2004 at 10:50 AM

SAPJCo RFC Socket

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We are using the SAPJCo classes to connect from an independent Java application in the internal network to WAS6.20 residing in the DMZ.

Ports 32XX & 33XX are open where XX is the WAS System number.

I still encounter

com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to SAP gateway failed.

A point ot be noted is that the same Java application works when I call a R/3 System from the internal network.

Any tips?

Thnx

Meesum