Solution : https://service.sap.com/sap/support/notes/839105 (SAP Service marketplace login required)
Key words :
\irj\servlet_jsp\irj\root\web-inf\portal\system\lib, infinite loop reason, ep6 sp2 pl32, serverxx\apps\sap, pre-release fix, official fix, cpu overload, thread dump, method put, hashmap class
Related Notes :
| 835162 | Central Note - Installing Portal Patch 32 for EP 6.0 |