Jdeveloper 12.2.1.4 Java Version !!top!! May 2026

64-bit JDK is mandatory for modern operating systems

Navigate to jdeveloper/jdev/bin/jdev.conf . jdeveloper 12.2.1.4 java version

You may also need to check ~/.jdeveloper/12.2.1.4.0/product.conf on Linux/macOS or the AppData equivalent on Windows. 🚀 Installation Best Practices 64-bit JDK is mandatory for modern operating systems

Standard Oracle JDK (OpenJDK is generally not supported for the installer) ⚠️ The Java 9+ Compatibility Gap jdeveloper 12.2.1.4 java version

JDeveloper 12.2.1.4 will not launch or will exhibit severe graphical and compiler errors if run on Java versions higher than 8.