This Article summarizes in a few words the compatibility of AWA versions with OpenJDK.
Release : 12.x
Component : AUTOMATION ENGINE
Subcomponent: Automic Web Interface (AWI)
OpenJDK versions different from OpenJDK 11 are not supported with AWI 12.3
Legacy Java Gui 11.x or 12.0.x used to connect to old AE versions (inferior to 12.1) will NOT support either OpenJDK, only Oracle Java 7.x / 8.x is supported.