Jdeveloper 12.2.1.4 Java Version (2026)

Go to Project Properties > Compiler within JDeveloper and ensure the target Java selection is set to 1.8. 3. Out of Memory / Heap Space Crashing

C:\Program Files\Java\jdk1.8.0_202

By adhering to these Java version requirements, you ensure a stable, productive development environment for ADF, SOA, and WebCenter applications. Always verify your Java version, set JAVA_HOME explicitly, and document the JDK across your team’s development and CI/CD infrastructure.

A: Yes, JDeveloper 12.2.1.4 supports Java 11 and Java 17. You can configure JDeveloper to use these Java versions by setting the JAVA_HOME environment variable and selecting the JDK version in the JDeveloper preferences.

The recommended Java version for JDeveloper 12.2.1.4 is Java SE 8 (JDK 1.8.0_144 or later). This is because JDeveloper 12.2.1.4 was released before Java SE 11, and some features might not be optimized for the newer Java version. jdeveloper 12.2.1.4 java version

Before executing the platform-independent generic installer, ensure your active terminal shell maps to a certified JDK 8. Execute the following command: java -version Use code with caution.

When working with Oracle JDeveloper 12c (12.2.1.4), understanding the Java Development Kit (JDK) requirements is critical for installation stability and application deployment. Unlike some IDEs that allow flexible JDK versions, JDeveloper is tightly integrated with specific Oracle WebLogic Server versions.

The complete version including ADF, WebLogic Server, and modeling tools; requires a pre-installed certified JDK .

If you're setting up this specific version of JDeveloper, here is what you need to know: Go to Project Properties > Compiler within JDeveloper

Navigate to the directory where your JDeveloper user configuration files are stored. The standard path is:

Java 11, 17, or 21 (these will likely cause IDE instability or startup failures).

This command will display the version of Java currently installed and configured in your system path. The output should indicate a JDK 8 version (e.g., 1.8.0_xxx).

32-bit platforms do not provide necessary memory management allocations. Always verify your Java version, set JAVA_HOME explicitly,

Edit <JDEV_USER_HOME>/system12.2.1.4.42/DefaultDomain/bin/setDomainEnv.cmd and add:

The IDE is supported with a minimum of Java 1.8 and a maximum version less than 1.9 for the development environment itself. Note on Java 17:

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