Solution : https://service.sap.com/sap/support/notes/701838 (SAP Service marketplace login required)
Key words : 
/usr/sap/se1/dvebmgs00/j2ee/ cluster/server0/dtd/file, /usr/sap/se1/dvebmgs00/j2ee/cluster/ server0/log-configuration, jdk selection sapinst fails installing j2ee engine, /meta-inf/services/javax, user/thrid-party tool, jaxp bug inside solution, uncommented properties jaxp mechanism, <jre>/lib/ext folder, j2ee engine loading, <server>/dtd directory
Related Notes : 
       
| 1392205 | JAXP Factory classes cannot be instantiated | 
| 881597 | References to a xml parser | 
| 716927 | Overview of AIX JVM for NetWeaver 2004 and 7.0 (2004s) | 
| 609804 | References to SAPXMLToolkit in J2EE Engine 6.30 |