Jdeveloper 12.2.1.4 Java Version __top__ May 2026
Oracle JDeveloper 12.2.1.4.0
The certified Java version for is Java Development Kit (JDK) 8 (1.8.0) . Specifically, at the time of release, the recommended version was JDK 1.8.0_211 or higher . ☕ Java Compatibility Requirements
Java Edition:
A smaller, "core" version for pure Java and XML development that does not include the full middleware stack . jdeveloper 12.2.1.4 java version
- IDE fails to start or throws UnsupportedClassVersionError: Ensure the JDeveloper startup JDK is Java 8 and PATH/JAVA_HOME point to it.
- ADF runtime classloader issues when compiling with a different JDK: compile with target 1.8 and include compatible ADF library versions.
- UI/editor/editor plug-ins misbehaving under non-supported JDKs: use supported JDK only.
- SSL/TLS handshake problems when connecting to servers: ensure the JDK’s cacerts truststore and TLS settings (e.g., enabled protocols/ciphers) are appropriate; consider updating JDK 8 to a patch that enables required ciphers and TLS versions.
Windows example:
systems (Windows, Linux, macOS) and requires the 64-bit version of the JDK. Java Limits: Oracle JDeveloper 12
He ran the installer. fmw_12.2.1.4.0_jdev_win64.exe Windows example: systems (Windows
Java Edition
: A smaller, core-only version (no J2EE/ADF) focused strictly on core Java and XML features [ 0.5.10 ].
