Jdeveloper 12.2.1.4 Java Version [upd]
Understanding JDeveloper 12.2.1.4 Java Version Compatibility
If you are migrating from JDeveloper 12.1.x (which required JDK 7), you cannot simply switch the target runtime. You must: jdeveloper 12.2.1.4 java version
If this points to JDK 11, Elias thought, the whole house of cards falls before the first brick is laid. Understanding JDeveloper 12
The IDE opened. The default role selection popped up— Studio Developer . Elias selected it. you should use or later
Install to a path without spaces (e.g., C:\Java\jdk1.8.0_202 on Windows or /usr/lib/jvm/jdk8u202 on Linux).
JDK 8u151
More specifically, you should use or later, but below JDK 9 . Oracle strongly recommends using the latest available JDK 8 update at the time of your installation, provided it is still within the support window.