2451422 - UWL fails to pull workflow tasks in a system using LDAP | SAP Knowledge Base Article

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2451422 - UWL fails to pull workflow tasks in a system using LDAP

Symptom

In a system where LDAP (such as Active Directory) is used, UWL fails to retrieve tasks from ABAP systems which are configured using an WebFlowConnector.

When checking the traces (SAP KBA 2261632), following exception is found:

SAPCFConnectorManagedConnection.connectWithJCO
[EXCEPTION]
com.sap.mw.jco.JCO$Exception: (101) RFC_ERROR_PROGRAM: Parameter containing a user ID is missing: neither user nor user alias nor external ID nor SSO ticket nor X.509 certificate is specified
at com.sap.mw.jco.MiddlewareJRfc.generateJCoException(MiddlewareJRfc.java:559)
at com.sap.mw.jco.MiddlewareJRfc$Client.initialize(MiddlewareJRfc.java:1071)
...
at com.sap.netweaver.bc.uwl.core.ThreadManager$PoolWorker.run(ThreadManager.java:209)
Caused by: RfcException: [null]
    message: Parameter containing a user ID is missing: neither user nor user alias nor external ID nor SSO ticket nor X.509 certificate is specified
    Return code: RFC_INVALID_PARAMETER(19)
    error group: 101
    key: RFC_ERROR_PROGRAM

at com.sap.mw.rfc.api.RfcOptions.checkLogonData(RfcOptions.java:162)
at com.sap.mw.rfc.api.RfcOptions.checkParameters(RfcOptions.java:345)
at com.sap.mw.jco.MiddlewareJRfc$Client.initialize(MiddlewareJRfc.java:1066)
... 24 more

When clicking on Display Connection Status in UWL, the connector shows Exception occured error, as shown below:

error.jpg


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Environment

  • SAP Enterprise Portal
  • SAP NetWeaver Application Server Java

Product

SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP enhancement package 1 for SAP NetWeaver 7.3

Keywords

exception, ecxeption, occurred, ocurred, ocured , KBA , EP-BC-UWL , Universal Worklist , BC-JAS-SEC-UME , User Management Engine , Problem

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