SAP Knowledge Base Article - Preview

2617661 - "Problem retrieving JCO Function object object while reading R3 system information" error in the UWL

Symptom

After navigating to the Universal Worklist application in the portal, the user sees message "cannot connect to provider" as shown below:

Error in the traces:

Caused by: java.lang.NullPointerException: while trying to invoke the method com.sap.conn.jco.ext.JCoSessionReference.getID() of a null object loaded from local variable 'refReturned'
at com.sap.engine.sessionmgmt.jco.applib.impl.SessionReferenceProviderImpl.getCurrentSessionReference(SessionReferenceProviderImpl.java:323)
at com.sap.conn.jco.rt.JCoJ2EERuntime.getRuntimeContext(JCoJ2EERuntime.java:350)
at com.sap.conn.jco.rt.JCoJ2EERuntime.getRuntimeContext(JCoJ2EERuntime.java:44)
at com.sap.conn.jco.rt.RfcDestination.getCurrentContext(RfcDestination.java:1761)
at com.sap.conn.jco.rt.RfcDestination.getPartnerHost(RfcDestination.java:1809)
at com.sap.conn.jco.rt.ConnectionAttributes.getPartnerHost(ConnectionAttributes.java:86)
at com.sap.conn.jco.rt.ClientConnection.execute(ClientConnection.java:1101)
at com.sap.conn.jco.rt.ClientConnection.execute(ClientConnection.java:989)
at com.sap.conn.jco.rt.ClientConnection.execute(ClientConnection.java:971)
at com.sap.conn.jco.rt.AbapRepository$DDICHelper.queryFunctionTemplate(AbapRepository.java:1894)
at com.sap.conn.jco.rt.AbapRepository.queryFunctionTemplate(AbapRepository.java:1054)
at com.sap.conn.jco.rt.AbapRepository.queryFunctionTemplate(AbapRepository.java:633)
at com.sap.conn.jco.rt.AbapRepository.getFunctionTemplate(AbapRepository.java:895)
at com.sap.conn.jco.rt.BasicRepository.getFunction(BasicRepository.java:167)
at com.sap.security.core.server.destinations.service.RFCCIMDestinationProviderFactory.ping(RFCCIMDestinationProviderFactory.java:67)
... 84 more

How to collect traces in the UWL - Check SAP Knowledge Base Article 2261632


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Environment

  • SAP Universal Worklist (UWL)
  • SAP Enterprise Portal 
  • SAP NetWeaver Application Server Java

Product

SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP enhancement package 3 for SAP NetWeaver 7.0

Keywords

JCo session, JCo Scope type, isSessionAlive, universal worklist, uwl, cannot connect to provider, connection, jco, webflowconnector, refReturned, object, function , KBA , EP-BC-UWL , Universal Worklist , Problem

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