Here’s a concise technical brief on JDeveloper 12.2.1.4 and its Java version requirements, including key details for developers working with this IDE.
Solution:
Ensure your JAVA_HOME environment variable is pointing strictly to a JDK 8 folder. If you have multiple Java versions, you may need to edit the jdev.conf file located in the jdeveloper/jdev/bin directory. Look for the line:
SetJavaHome /path/to/jdk
And update it to point to your JDK 8 installation. jdeveloper 12.2.1.4 java version
If you already have JDeveloper installed and want to verify which Java version it is using: JDeveloper menu and select Click on the Properties Look for the java.version entry to see the exact JDK being utilized. Oracle Forums Changing the JDK Location Here’s a concise technical brief on JDeveloper 12
The installer will detect JDK 8 from JAVA_HOME. Do not try to use a newer JDK to run the installer – it will fail. Required: JDK 8 (64-bit) Minimum update: 8u151 Recommended:
Update the Path: Change it to point to your JDK 8 installation: Example: SetJavaHome C:\Program Files\Java\jdk1.8.0_211