Solution : https://service.sap.com/sap/support/notes/527548 (SAP Service marketplace login required)
Key words : 
sap j2ee engine creates wrong start menu entries, program files>sapj2eehome=<sap j2ee home - location, /usr/sap/c11/jc00/j2ee/note, user=j2eeadminstalledprogramfolder=sap j2ee engine 6, sap j2ee sar file extracted, sap j2ee enginethis problem, sap j2ee sar file, double-byte language platforms, windows file separator char, sap j2ee engine 6
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