To configure the Java version in JDeveloper 12.2.1.4, follow these steps:
JDeveloper 12.2.1.4 is built on top of Java EE 6 and 7 technologies. Java EE 6 was designed and certified against JDK 6 and JDK 7. JDK 8 was the last version to maintain full backward compatibility with Java EE 6 and 7 specifications. Starting with JDK 9, the introduction of the broke many assumptions made by JDeveloper’s classloaders.
: The built-in embedded WebLogic instance runs applications in a Java EE 7 container. Because WebLogic 12.2.1.4 is fundamentally certified to run under JDK 1.8, upgrading the IDE runtime beyond Java 8 breaks the local testing environments. Upgrading to Newer Java Versions
| Component | Required Java Version | |-----------|----------------------| | JDeveloper 12.2.1.4 | JDK 8 | | WebLogic Server 12.2.1.4 | JDK 8 | | ADF Runtime 12.2.1.4 | JDK 8 | | Coherence 12.2.1.4 | JDK 8 | jdeveloper 12.2.1.4 java version
If JDeveloper does not detect the JDK automatically, you must inform it of the path. Open \jdeveloper\jdev\bin\jdev.boot . Locate the line setjava.home .
On Apple Mac systems, JDeveloper has been certified for Mac OS X 10.13. However, some users have reported challenges when attempting to install JDeveloper on newer Apple Silicon (M1/M2) Macs running macOS Ventura. The official documentation continues to specify that JDK/JRE 8 is required for these installations as well.
Edit jdev.conf and explicitly define a verified 64-bit JDK 8 path using the SetJavaHome directive. To configure the Java version in JDeveloper 12
The IDE is supported with a minimum of Java 1.8 and a maximum version less than 1.9 for the development environment itself. Note on Java 17:
: /usr/java/jdk1.8.0_211/bin/java -jar V998597-01.jar How to Check and Update the JDK Path Inside JDeveloper
The IDE opened. The default role selection popped up— Studio Developer . Elias selected it. Starting with JDK 9, the introduction of the
If the output does not start with java version "1.8.0_xxx" , stop and fix your JDK. Your future self – and your project timeline – will thank you.
Embedded WebLogic Server 12.2.1.4, which ships inside JDeveloper for local testing, is strictly tied to JDK 8 bytecode and class formats. Step-by-Step Configuration Guide
Navigate to jdeveloper/jdev/bin/jdev.conf .