2268517 - Large number of RFC sessions from UWL are kept opened

You have the Universal Worklist (UWL) in the portal connecting to different R/3 back end systems by means of WebFlowConnectors.

At peak times when many users are active in the UWL, you notice that even after the users log off from the portal (or close the browser) their sessions are kept opened when checking on transaction SM04 at the R/3 back end system. 

During busy hours, a large number of such pending sessions can accumulate and exhaust significant amount of R/3 system resources, before expiring.

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

SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP NetWeaver Application Server for Java 7.1 ; SAP NetWeaver Application Server for Java 7.2 ; SAP enhancement package 1 for SAP NetWeaver 7.0 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 1 for SAP NetWeaver Application Server for Java 7.1 ; SAP enhancement package 2 for SAP NetWeaver 7.0 ; SAP enhancement package 3 for SAP NetWeaver 7.0

backend, back end, r/3, r3, log off, logoff, logout, log out, jco, session , KBA , sapfactory , connection_lifetime , EP-BC-UWL , Universal Worklist , EP-CON-SAP , Portal Connector to R/3 or BW backend system , Problem