Jdeveloper 12.2.1.4 Java Version «VERIFIED»

Oracle JDeveloper 12.2.1.4 requires Java SE Development Kit (JDK) 8 (1.8.0) to run and develop applications. While it is specifically certified with JDK 1.8.0_211 or higher, it does not support later major versions like Java 11 or 17 for the IDE itself. Key Java Compatibility Details

Upgrade to JDeveloper 12.2.1.5+ for JDK 11 support.
Move to JDeveloper 23+ for JDK 17 support.

To check or change the JDK version used by the IDE: jdeveloper 12.2.1.4 java version

One of the most significant updates in this specific release is the introduction of ADF REST framework versions 4 through 7. Oracle JDeveloper 12

. Using newer versions like Java 11 or 17 is generally not supported and often triggers compatibility warnings or crashes. 🛠️ Quick Setup Guide Certified Version: JDK 8 (specifically 1.8.0_211+ is frequently cited in installation guides). Installation Tip: Upgrade to JDeveloper 12

Cause: Using JDK 11. The internal API is now encapsulated.
Solution: Switch to JDK 8.

If planning to move to Java 11 or later: