Java Version [better] — Jdeveloper 12.2.1.4

Here is the granular breakdown of every Java version you might consider:

"At the time of publication, the certified JDK for 12c (12.2.1.4.0) was 1.8.0_211."

While some open-source OpenJDK distributions may work, Oracle strongly recommends the official Oracle JDK 8 for commercial support and seamless alignment with WebLogic Server 12.2.1.4. Why JDK 8 is Mandatory for JDeveloper 12c

: The Studio distribution automatically installs an embedded Oracle WebLogic Server 12.2.1.4.0 , which also runs on the same JDK 8 environment. Oracle Help Center Performance and Stability Review jdeveloper 12.2.1.4 java version

Understanding JDeveloper 12.2.1.4 Java Version Compatibility and Configuration

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jdk-8u202-windows-x64.exe (Windows) or jdk-8u202-linux-x64.tar.gz (Linux/macOS) Here is the granular breakdown of every Java

Java 9 and subsequent releases deprecated and removed standard Java EE modules (like JAX-WS, JAXB, and JTA) from the core JDK. JDeveloper 12c relies heavily on these internal APIs.

Using JDK 9 or higher. Solution: Switch to JDK 8.

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Using JDK 7. Solution: Install JDK 8.

The latest update of JDK 8 (e.g., JDK 1.8.0_211 or later)

The Official Java Certification Matrix for JDeveloper 12.2.1.4

The certified Java version for is JDK 1.8.0_211 or higher . This version of JDeveloper is part of the Oracle Fusion Middleware 12c (12.2.1.4.0) release and requires a 64-bit Java Development Kit (JDK) to run the Studio Edition installer. 🛠️ Key Java Requirements Recommended Version : Java SE 8 (JDK 1.8.0_211 or later).