Solution : https://service.sap.com/sap/support/notes/686195 (SAP Service marketplace login required)
Key words :
terms rfc classcastexception executionexception jca reason, prerequisites ep6 sp2 patch 2 solution, 0 sp2 patch 3 hotfix 1, 0 sp2 patch 3, latest hotfix, catch exceptions, rfcs throw
Related Notes :
| 913483 | SAP NW Portal Connectivity - Central Note |
| 685364 | Central Note - Installing Patch 3 for EP 6.0 SP2 |