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Error during connection with SAP Backend system

Hi all,

we have a finance application to show sap-system (R/3)datas at the portal site. Therefore we're using the com.sap.mw.* package.

The following steps has been done within the portal:

1) Create a new system with system properties

2) Create a new user at SAP system (with this user-id the user will logged on)

3) Upload the PAR file and create a new iView at this one

During the debugging the source code, I get the exception "Connection failed: Nested Exception. Failed to getConnection".

The error occures, when I try to get a connection over the gateway object:

IConnectorGatewayService gateway =

(IConnectorGatewayService) connectorService;

connection = gateway.getConnection(systemAlias, connProps);

so far I can see, all system properties are setted and true.

Within the file \usr\sap\{SID}\j2ee\j2ee_00\cluster\server\dev_rfc.trc I found the lines:

        • ERROR file opened at 20060413 105116 W. Europe Dayl, SAP-REL 640,0,89 RFC-VER 3 777082 MT-SL

T:2644 ======> Name oder Kennwort ist nicht korrekt (Bitte Anmeldung wiederholen)

T:2644 <* RfcReceive [1] : returns 3:RFC_SYS_EXCEPTION

"Name oder Kennwort ist nicht korrekt (Bitte Anmeldung wiederholen" means, "name oder password not valid, please try again".

After running, the following error message will shown at the jsp-page:

"„Error: during connection with SAP Backend system. Please contact your administrator."

Environment informations:

- Enterprise Portal v6.0 SP2

- OS: Windows 2000 (Runtime)

Thanks for help

Cengiz

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