Solution : https://service.sap.com/sap/support/notes/1163719 (SAP Service marketplace login required)
Key words : 
nw04  support package 23nw700 support package 16nw701 support package 00importantsince, patches sap netweaver sap netweaver sap netweaver 04 entry, subdirectory j2ee-runt-cd/j2ee-eng/online, patches sap netweaver sap netweaver sap netweaver 7, subdirectory j2ee-runt-cd/j2ee-eng/offline, open monitoring segment 40 rtc = 245last reported error, directory /usr/sap/<sid>/<instanz>/j2ee/os_libs, component application server java sap j2ee engine 6, file j2eert< sp>_<patch number>, component application server java sap tech
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