Solution : https://service.sap.com/sap/support/notes/838872 (SAP Service marketplace login required)
Key words :
\irj\servlet_jsp\irj\root\web-inf\portal\system\lib, ep6 sp2 pl32, serverxx\apps\sap, pre-release fix, portal blocks, portal reason, official fix, thread dump, terms deadlock, prtcore part
Related Notes :
835162 | Central Note - Installing Portal Patch 32 for EP 6.0 |