Solution : https://service.sap.com/sap/support/notes/503844 (SAP Service marketplace login required)
Key words :
<your_servletcontainer>/irj/web-inf/plugins/portal/services/epcfloader/config, symptom client framework infrastructure defines client api, enterprise portal client framework, full client framework functionality, 0 installation solution ecpflevel property, automatic server session integration, full component functionality property, client framework configuration file, prerequisites portal ep 5, distributed session management
Related Notes :
455257 | EP 5.0: Patches for Portal Service epcfloader.zar |