Jdeveloper 12.2.1.4 Java Version -

Oracle JDeveloper 12.2.1.4 is deeply coupled with . Specifically, the officially certified and recommended JDK version for this release is JDK 1.8.0_211 or higher . While JDeveloper can be configured to compile projects for newer Java versions (such as Java 11 or 17) in your project properties, the core IDE itself must run on a Java 8 environment. Ensuring you have the correct certified JDK is the most critical step to prevent installation errors or runtime instability. The Core IDE Relationship: Why Java 8?

For most development scenarios, JDK 8 remains a robust and capable platform, especially for enterprise applications built on Oracle ADF and Fusion Middleware. Developers requiring newer Java features have options: they can configure project-specific JDKs for compilation, modify the JDeveloper launch configuration as a workaround, or set up a separate WebLogic 14c instance for deployment testing. jdeveloper 12.2.1.4 java version

If JDeveloper cannot find the correct JDK during installation, or if you need to update your JDK 8 patch version, edit the boot configuration file. Navigate to the JDeveloper configuration directory: Oracle JDeveloper 12

"WebLogic Server MUST run under Oracle JDK. OpenJDK will fail to run it." Ensuring you have the correct certified JDK is

While not officially supported, some developers have found success running JDeveloper 12.2.1.4 with a later JDK (such as Java 11) for the IDE itself. This requires careful configuration of the jdev.conf file to point to the Java 11 installation. However, a critical caveat applies: