Since this version of JDeveloper is bundled with Oracle WebLogic Server 12.2.1.4, it inherits the strict JDK 8 requirement of that server runtime.
You may also need to check ~/.jdeveloper/12.2.1.4.0/product.conf on Linux/macOS or the AppData equivalent on Windows. 🚀 Installation Best Practices jdeveloper 12.2.1.4 java version
Standard Oracle JDK (OpenJDK is generally not supported for the installer) ⚠️ The Java 9+ Compatibility Gap Since this version of JDeveloper is bundled with
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. jdeveloper 12.2.1.4 java version
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