Jdeveloper 12.2.1.4 Java Version [best] Direct
The certified and recommended Java version for JDeveloper 12.2.1.4.0 is . Minimum Version : Oracle JDK 1.8.0_191 or higher.
The structural design of the Oracle Fusion Middleware 12c platform restricts the IDE to Java 8:
The core architecture of Oracle Fusion Middleware 12c (which includes JDeveloper 12.2.1.4, WebLogic Server 12.2.1.4, and Oracle ADF) is closely tied to Java EE 7 technical specifications.
Why You Cannot Use Java 11, 17, or Newer Long-Term Support (LTS) Releases
| Java Version | Support Status | Notes | |--------------|-----------------------------------------|-------| | | ✅ Fully supported (LTS) | Required for IDE & ADF/WebLogic integration | | JDK 11 | ❌ Not supported in 12.2.1.4 | JDeveloper 12.2.1.4 runs on JDK 8 only | | JDK 7 or earlier | ❌ Not supported | |
Navigating JDeveloper 12.2.1.4 Java Version Compatibility Choosing the correct Java Development Kit (JDK) version for Oracle JDeveloper 12.2.1.4 is critical. Using an unsupported version leads to installation failures, deployment errors, and runtime instability. JDeveloper 12.2.1.4 is the final micro-release of the 12c Fusion Middleware family, and it has strict lifecycle requirements. The Certified Java Version
%USERPROFILE%\AppData\Roaming\JDeveloper\12.2.1.4.0\product.conf .