Install Java Development Kit (JDK)

SICS (Batch Server) requires a 64-bit Java Development Kit (JDK) with Java 21+ specification. As of 2026-01-20, the latest Java 21 version is 21.0.10.7.1.

At the time of writing, SICS is shipped with the Amazon Corretto 21.0.10.7.1 (64-bit version). Note that SICS (Batch Server) will not run with Java versions prior to 21.

Go to Amazon Corretto Production-ready distribution of OpenJDK and follow the instructions for downloading and installing java.