To install on Ubuntu / Debian Linux: sudo apt install openjdk-17-jdk openjdk-17-source Most Linux distributions have packages for OpenJDK, with the Long Term Support and intermediate versions available (usually Java 8 through to 18). Practicalli is currently migrating to the latest Long Term Support version, OpenJDK 17.0.2. Practicalli recommends using OpenJDK for Java, the community managed distribution of Java. Wikipedia: Long-term support Where to get Java 17 LTS versions receive security updates for a year after the next LTS version is release, leaving ample time to test and migrate to a new major version.Ī 2 year LTS release cadence has been proposed by Mark Reinhold, Chief architect of the Java Platform Group, to encourage faster adoption especially by enterprise's who only sign-off on long-term support products. The valuable part of a supported Java version is to receive timely security patches that should have no impact on running systems in production.Īn LTS version is released every 3 years so minimises the churn that comes with intermediate versions, which are only supported for 6 months. However, Practicalli recommends using OpenJDK anyway.
Oracle JDK 17 is free again for use in production and to redistribute, under the No-Fee Terms and Conditions License. The 17.0.2 version has just been release, so has been tested by many development teams already.Īlthough the language features are of less interest, the security and performance improvements over the last 3 years (since Java 11) or 6 years (since Java 8) are valuable to Clojure development. There should be little risk upgrading, especially from Java 11 onward. Java JDK 17 is the latest Long Term Support version and ideally should be the default JVM for developing and deploying new Clojure projects (and existing projects after testing).
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