When running ASA Agent 12.0SP2 on WebLogic 14.1, one can notice that this combination is out of support according to the Support Matrix (1).
No support is available neither for ASA Agent 12.7 (2).
Upgrade ASA Agent to 12.8 to have supported and certified ASA Agent on WebLogic 14c (14.1) (3).
(1)
(2)
(3)