Solution : https://service.sap.com/sap/support/notes/718901 (SAP Service marketplace login required)
Key words : 
/usr/sap/<sid>/sys/profile/<sid>_jc<num>_<host>, /usr/sap/<sid>/jc<num>/sdm/program/config directory, vmprop/usr/sap/<sid>/<instance>/sdm/program/config/sdm_jstartup, /usr/sap/<sid>/<instance>/j2ee/cluster/instance, line jstartup/vm/home = <location, terms jdk upgrade configtool solution, j2ee engine configuration database, full strength jurisdiction policies, j2ee config tool, instance profile
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