Solution : https://service.sap.com/sap/support/notes/678015 (SAP Service marketplace login required)
Key words :
/patches > sap enterprise portal > sap enterprise portal 6, 0 > binary patches > portal platform 6, terms enterprise portal, installed enterprise portal 6, sap note 658210 describes, portal platform hotfix, 0 > os independent > ep6021hf_n, duplicate class error, invalid license key, server running ep 6
Related Notes :
| 678113 | EP 6.0: Invalid license key |
| 677880 | Duplicate class error when compiling JSP |
| 674107 | EP6 Central Note. Installing Patch 1 for EP 6.0 SP2. |
| 668312 | Central Note - Installing EP 6.0 SP2 CD Serial No. 51020462 |
| 658210 | EP 6.0: How to install a hotfix |
| 580289 | Central note "Patches and Hotfixes for EP 6.0" |