JDeveloper 12.2.1.4 provides comprehensive support for various Java versions, including Java 8, Java 11, and Java 17. By following the guidelines outlined in this article, developers can configure and use JDeveloper 12.2.1.4 with their preferred Java version. With its robust features, JDeveloper 12.2.1.4 remains a popular choice for developing, testing, and deploying Java applications.
Alternatively, go to and check the Java Version field.
Complete Guide to JDeveloper 12.2.1.4 Java Version Compatibility and Configuration
He ran the installer. fmw_12.2.1.4.0_jdev_win64.exe jdeveloper 12.2.1.4 java version
: This version was released by Oracle in September 2019. How to Verify Your Version
JDeveloper 12.2.1.4 officially requires JDK 8 (Java SE Development Kit 8).
If you need to update or change the JDK path after installation, you can modify the product.conf file located at: %USERPROFILE%\AppData\Roaming\JDeveloper\12.2.1.4.0\product.conf (Windows).Simply uncomment the SetJavaHome line and provide the path to your new JDK 8 directory. What's New in This Guide for Release 12c (12.2.1.4.0) JDeveloper 12
: This version is part of the Oracle Fusion Middleware 12cR2 family. While modern Java versions like Java 11, 17, or 25 are now standard for many apps, JDeveloper 12c is strictly tied to the Java 8 ecosystem for its internal IDE operations and WebLogic Server compatibility.
The server room was cold, humming with the sound of cooling fans—a symphony of data that Elias knew by heart. Elias was a "Legacy Architect," a title he wore like a badge of honor. While the new hires fawned over microservices, Kubernetes, and VS Code, Elias stood before the monolith: an Oracle WebLogic infrastructure that ran the financial backbone of a Fortune 500 company.
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. Alternatively, go to and check the Java Version field
Last updated: October 2024
: For production development and Oracle support eligibility, always use the certified Oracle JDK 8 version.
To successfully use JDeveloper 12.2.1.4, you must configure your environment properly.
The output should indicate JDK 1.8 with a specific update number (e.g., 1.8.0_211).
The splash screen was distinct—clean, corporate, unmistakably Oracle. It didn’t flash open instantly like a modern lightweight editor; it materialized . It was loading the heavy machinery: the ADF Business Components, the MDS (Metadata Services), and the integrated WebLogic Server instance.