Solution : https://service.sap.com/sap/support/notes/1254158 (SAP Service marketplace login required)
Key words :
nw portal connector framework, rfc sessions remains open, visual composer application, terms visual composer, /irj/sdn/weblogs, blog=/pub/wlg/11126, sap community network, rfc reason, sap backend, internet browser
Related Notes :
| 913483 | SAP NW Portal Connectivity - Central Note |
| 785029 | Tool for testing connections from portal to R/3 system |
| 754136 | Phyisical connections to the back-end system remain open |