If you need to point JDeveloper to a different Java 8 installation, you can modify the product.conf JDeveloper 12c 12.2.1.4.0 jdk - Oracle Forums
JDeveloper ships with embedded libraries like: jdeveloper 12.2.1.4 java version
Even with the correct JDK, you may encounter issues. Here are the top three problems when using JDeveloper 12.2.1.4. If you need to point JDeveloper to a
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 jdeveloper 12.2.1.4 java version
To check or change the JDK version used by the IDE:
A common mistake is attempting to run JDeveloper 12.2.1.4 on Java 11, 17, or 21.