Jdeveloper 12.2.1.4 Java Version ◎ [SIMPLE]
Look for the line starting with SetJavaHome .
For 64-bit systems, use the generic installer ( V982638-01.zip or similar) and run it via the command line using the JDK 8 java -jar command.
Standard Oracle JDK (OpenJDK is generally not supported for the installer) ⚠️ The Java 9+ Compatibility Gap jdeveloper 12.2.1.4 java version
Oracle JDeveloper 12.2.1.4 is the final and most stable release of the 12c family. Because JDeveloper is an Integrated Development Environment (IDE) that also includes an embedded WebLogic Server, matching it with the correct Java Development Kit (JDK) version is critical for stability, performance, and successful deployment.
JDeveloper 12.2.1.4 will not launch or will exhibit severe graphical and compiler errors if run on Java versions higher than 8. Look for the line starting with SetJavaHome
Even if your external project targets a newer Java version, the IDE itself must be started using a JDK 8 environment. ⚙️ How to Configure the JDK Path
If you have multiple versions of Java installed, you may need to manually point JDeveloper to the correct JDK 8 path. ⚙️ How to Configure the JDK Path If
Navigate to jdeveloper/jdev/bin/jdev.conf .