Before installing or troubleshooting JDeveloper 12.2.1.4, always first verify your Java version:
Introduction Oracle JDeveloper is a free, integrated development environment (IDE) that provides end-to-end development for Oracle Fusion Middleware, Oracle Application Development Framework (ADF), and Java Platform, Enterprise Edition (Java EE) applications. With the release of version 12.2.1.4 , many developers have found themselves asking a critical question: What Java version does JDeveloper 12.2.1.4 support? 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
| Component | Required Java Version | |-----------|----------------------| | JDeveloper 12.2.1.4 | JDK 8 | | WebLogic Server 12.2.1.4 | JDK 8 | | ADF Runtime 12.2.1.4 | JDK 8 | | Coherence 12.2.1.4 | JDK 8 | Use JDK 8
| 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) |