Jdeveloper 12.2.1.4 Java Version -

Do not do this. Use JDK 8. Part 7: JDeveloper 12.2.1.4 and WebLogic Server – Java Version Alignment If you are using JDeveloper 12.2.1.4 to develop and deploy to Oracle WebLogic Server (WLS), your WLS must also run on JDK 8 .

Before installing or troubleshooting JDeveloper 12.2.1.4, always first verify your Java version: jdeveloper 12.2.1.4 java version

| Requirement | Detail | |-------------|--------| | | Java SE 8 | | Minimum Update | 8u151 | | Recommended Update | 8u202 or later (but still JDK 8) | | Architecture | 64-bit (mandatory) | | Vendor | Oracle JDK or OpenJDK (with limitations) | Do not do this