Certified Java versions Java 17 Temurin 17 builds and Red Hat Enterprise Linux builds of OpenJDK 17 are certified for use with some components of the Lightbend Platform. Java 11 Temurin 11 builds and Red Hat Enterprise Linux builds of OpenJDK 11 are certified for use with some components of the Lightbend Platform. Java 8 Current Lightbend libraries and tools are not compatible with Java 8 anymore. Java Platform Module System (JPMS) Use of the Java Platform Module System (JPMS) is Not Certified. Lightbend support terminology Getting help