Go to the Oracle JDK archive or use OpenJDK:
Let’s break down exactly which JDKs work, which are marginal, and which are completely unsupported. jdeveloper 12.2.1.4 java version
java version "1.8.0_202" Java(TM) SE Runtime Environment (build 1.8.0_202-b08) Java HotSpot(TM) 64-Bit Server VM (build 25.202-b08, mixed mode) Go to the Oracle JDK archive or use
Ensure you have the standard Oracle JDK, as OpenJDK is often not officially certified for Fusion Middleware products. which are marginal
If you have JDK 11 also installed system-wide, Maven (embedded in JDeveloper) may pick the wrong version. Fix by setting the JAVA_HOME inside JDeveloper: