Solution : https://service.sap.com/sap/support/notes/889436 (SAP Service marketplace login required)
Key words :
<sdm-home>/root/origin/sap, /http/sap ag/<number> directory, \j2ee\cluster\serverxxx\temp\http, http error response [400 bad request], update deployed sdas/scas, send https requests, deployment configuration panel, contact target server, attached sda file, j2ee engine release 7
Related Notes :
851251 | (Outdated) SAP NetWeaver 2004s Installation on UNIX |
848950 | SAP NetWeaver 2004s Installation on Windows (Obsolete) |