Let’s break down exactly which JDKs work, which are marginal, and which are completely unsupported.
Here is the detailed breakdown of the Java version requirements. jdeveloper 12.2.1.4 java version
One of the most significant updates in this specific release is the introduction of . Let’s break down exactly which JDKs work, which
Ensure JAVA_HOME points directly to a JDK, not a JRE. JDeveloper needs the compiler ( javac ). Also check that no other JDK is listed earlier in the PATH. 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:
Here’s a concise technical brief on , including key details for developers working with this IDE.