Jdeveloper 12.2.1.4 Java Version Jun 2026

: This setup is common for teams working with Oracle 19c databases, which also maintain certification with JDK 8.

: For the platform-independent installer, you must manually install a certified JDK 8 before starting the installation. Feature Highlight: ADF REST Runtime Framework 12.2.1.4

However, there is a distinction between running the JDeveloper IDE itself versus developing applications with newer Java features:

Even with the correct JDK, you may encounter issues. Here are the top three problems when using JDeveloper 12.2.1.4. jdeveloper 12.2.1.4 java version

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You must use the 64-bit JDK version. The 32-bit JDK does not provide enough memory management capability for JDeveloper's design-time environment. Can you use Java 11, Java 17, or newer?

If using the generic installer, you must have the JDK installed running the Memory Requirement: 4 GB of RAM is recommended for 64-bit systems. 📝 How to Update the Java Path : This setup is common for teams working

This includes development and running of Oracle Forms, WebCenter, and SOA composite applications. Why Java 8?

: For production development and Oracle support eligibility, always use the certified Oracle JDK 8 version.

If you must run the IDE itself with a different JDK (e.g., for testing purposes), edit the SetJavaHome variable in the jdev.conf file: Here are the top three problems when using JDeveloper 12

Before you start your next development session with JDeveloper 12.2.1.4, confirm the following:

Baseline standard version packaged with major FMW 12.2.1.4 documentation. Latest Java 8 Release (e.g., 8u401+ ) Strictly less than Java 1.9 / Java 9 . Architecture 64-bit (x64)

If you have multiple versions of Java installed, you may need to manually point JDeveloper to the correct JDK 8 path.

To ensure your workspace projects are compiling against the correct Java 8 platform library: