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Explaining the new Java release and licensing models
The document explores the evolution of the Java ecosystem, particularly focusing on the implications of choosing Oracle as a JDK vendor and the alternatives available for Java 8 users. It highlights Oracle's JDK subscription model, release cadence, and the differences between Oracle's JDK and various open-source alternatives. Additionally, it emphasizes the importance of staying updated with supported JDK versions to ensure compliance and receive necessary security updates.
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Explaining the new Java release and licensing models
- 1. Making sense ofthe recent changes to the Java ecosystem Is Java still free?
- 2. Java Before Source: https://www.azul.com/java-stable-secure-free-choose-two-three/ •Stable: Long support overlap between major versions. • Secure: Regular updates including patches for security issues. • Free: Free of charge for use on the Desktop and on Enterprise servers.
- 3. 2016 : BigChanges to the Java Ecosystem
- 4. Agenda Choosing Oracle as a JDKVendor Some alternatives to Oracle Stuck on Java 8? Summary
- 5. Choosing Oracle asa JDK Vendor Choosing Oracle as a JDK Vendor Some alternatives to Oracle Stuck on Java 8? Summary
- 6. Oracle’s Java SERelease Timetable New release each March and September. Oracle’s stated goal: Faster iteration and release of new features. JDK 19 JDK 18 JDK 17 JDK 16 JDK 15 JDK 14 JDK 13 JDK 12 JDK 11 Sep-18 Mar-19 Sep-19 Mar-20 Sep-20 Mar-21 Sep-21 Mar-22 Sep-22
- 7. Oracle JDK java.oracle.com Commercial Oracle OpenJDKBuild jdk.java.net Open Source Oracle: A tale of two JDKs OpenJDK Source openjdk.java.net
- 8. Updates for «OracleOpenJDK Build» JDK To get maintenance updates you must upgrade to current release. No support (as it always has been). JDK 19 JDK 18 JDK 17 JDK 16 JDK 15 JDK 14 JDK 13 JDK 12 JDK 11 Sep-18 Mar-19 Sep-19 Mar-20 Sep-20 Mar-21 Sep-21 Mar-22 Sep-22
- 9. Updates for «OracleJDK» Feature and Long Term Support Releases. Commercial support (includes maintenance updates) for 5-8 years. JDK 19 JDK 18 JDK 16 JDK 15 JDK 14 JDK 13 JDK 12 Sep-18 Mar-19 Sep-19 Mar-20 Sep-20 Mar-21 Sep-21 Mar-22 Sep-22 JDK 11 - LTS available until 2026 JDK 17 - LTS available until 2029
- 10. Oracle Java SESubscription • From Java 11 onwards, use of the Oracle JDK in production requires a Java SE Subscription: • Variants for both Enterprise Servers and on the Desktop. • Long term support, including ongoing security updates. • If the Oracle JDK is embedded in another product (i.e. one from IBM or Oracle that you are licensed to use) then you may not need a Java SE Subscription. • No license is required for developing, testing, prototyping and demonstrating your Java SE applications with the Oracle JDK.
- 11. Alternatives to Oracle Choosing Oracleas a JDK Vendor Some alternatives to Oracle Stuck on Java 8? Summary
- 12. Oracle JDK Build java.oracle.com CommercialLicense Other OpenJDK Builds RedHat, IBM, Amazon, SAP, AdoptOpenJDK, Zulu, etc. Various Licenses Oracle OpenJDK Build jdk.java.net Open Source License OpenJDK Source openjdk.java.net The Java SE JDK : One Source, Multiple Builds
- 13. Not all Builds/ JDKs are equal! Oracle JDK Extends OpenJDK with installers, third party cryptogrphic libraries and support for Oracle’s Advanced Management Console. Other OpenJDK Builds Vendor specific differences, including different Garbage Collection mechanisms and JVM implementations. Oracle’s OpenJDK Build Functionally identical to the Oracle JDK. The TCK / JCK verifies that a Java SE build complies to the Java standard
- 14. AdoptOpenJDK (adoptopenjdk.net) • Offers buildswith both Hotspot (Oracle) and OpenJ9 (IBM) VM’s for both JDK 8 and 11. • Aims to provide community support and maintenance security updates (Java 8 until 2023 and Java 11 until 2022). • Paid support available from IBM (only builds with OpenJ9 VM). • Platforms: Windows (32 and 64), Linux (various flavours), MacOS, Solaris, AIX, ARM. • Currently unable to verify builds with the TCK/JCK, due to legal wrangling with Oracle.
- 16. Amazon Corretto (aws.amazon.com/corretto/) • Currentlyoffers Java 8 (in preview). Java 11 coming in Q2. • Free LTS (maintenance & security updates) for Java 8 until at least June 2023. • Used internally by Amazon. • Platforms: Amazon Linux, Windows, macOS, and Docker, with additional support planned for General Availability. • TCK/JCK verified.
- 18. Azul Zulu (azul.com/downloads/zulu) • Offersboth community and commercial releases, a-la Oracle. Also offers builds that include OpenFX. • No assurances as to the availability or support lifecycle for the community versions of Zulu. • Zulu Enterprise is Azul’s commercial offering with paid support, providing MTS for some feature releases in addition to LTS. • Platforms: Windows, macOS, Linux, Alpine Linux, 64-bit Armv8. • TCK/JCK verified.
- 19. • Sponsers unsupportedcommunity builds at ojdkbuild: • Provides builds so long as Red Hat supports a Java version. • No information about TCK support or overlap between builds. • Commercial builds available for RHEL and windows via subscription. TCK support: • Not offering 9 or 10. • Free for development use. Red Hat (developers.redhat.com/products/openjdk)
- 20. What about Java8? Choosing Oracle as a JDK Vendor Some alternatives to Oracle Stuck on Java 8? Summary
- 21. “Oracle will continueto provide free public updates and auto updates of Java SE 8, until at least the end of December 2020 for Personal Users, and January 2019 for Commercial Users” https://www.oracle.com/technetwork/java/java-se-support-roadmap.html
- 22. What are youroptions for Java 8 in Production? • To continue to continue receiving updates for Java 8 you’ll need to either: 1. Pay for an Oracle Java SE Subscription providing commercial support until 2022 (extended support until 2025). 2. Choose a free non-Oracle OpenJDK Build, such as AdoptOpenJDK (no TCK/JCK support) or Amazon Corretto (still in preview). 3. Choose a paid non-Oracle OpenJDK Build. • The alternative is to continue with an unsupported JDK in Production (not so smart).
- 23. Summary Choosing Oracle as a JDKVendor Some alternatives to Oracle Stuck on Java 8? Summary
- 24. Your 3 JDKchoices in production (assuming you want updates and don’t want to break the law) Use the Oracle JDK and pay for production use and updates. Use Oracle’s OpenJDK build for free and upgrade every six months. Look into alternative OpenJDK builds and their support plans.
- 25. Your 3 JDKchoices in production (assuming you want updates and don’t want to break the law) #1 Use the Oracle JDK and pay for production use and updates. #2 Use Oracle’s OpenJDK build for free and upgrade every six months. #3 Look into alternative OpenJDK builds and their support plans.
- 26. Your 3 JDKchoices in production (assuming you want updates and don’t want to break the law) #1 Use the Oracle JDK and pay for production use and updates. #2 Use Oracle’s OpenJDK build for free and upgrade every six months. #3 Look into alternative OpenJDK builds and their support plans.
- 27. Your 3 JDKchoices in production (assuming you want updates and don’t want to break the law) #1 Use the Oracle JDK and pay for production use and updates. #2 Use Oracle’s OpenJDK build for free and upgrade every six months. #3 Look into alternative OpenJDK builds and their support plans.
- 28.
- 29. References and Resources •https://www.oracle.com/technetwork/java/java-se-support-roadmap.html • https://blogs.oracle.com/java-platform-group/update-and-faq-on-the-java-se- release-cadence • https://blogs.oracle.com/java-platform-group/the-future-of-javafx-and-other- java-client-roadmap-updates • https://medium.com/@javachampions/java-is-still-free-c02aef8c9e04 • https://www.reddit.com/r/java/comments/9hd97k/openjdk_vs_adoptopenjdk • https://dev.karakun.com/java/2018/06/25/java-releases.html • https://blog.joda.org/2018/08/java-is-still-available-at-zero-cost.html • https://blog.joda.org/2018/09/time-to-look-beyond-oracles-jdk.html • https://www.azul.com/java-stable-secure-free-choose-two-three
Editor's Notes
- #2 Understanding the new Java SE Release and Subscription Models
- #3 Slow rate of innovation
- #8 OpenJDK Source maintained by Oracle and the community (including other vendors). All JDKs are built from the same source. Oracle does the most and therefore has the most «leverage». Note that
- #13 OpenJDK Source maintained by Oracle and the community (including other vendors). All JDKs are built from the same source. Oracle does the most and therefore has the most «leverage».
- #14 Each JDK has it’s own special sauce. The Oracle OpenJDK Build is a pure build of the source. Not that this build now includes many tools that were previously only available in the Oracle JDK. The Oracle JDK is Oracles commercial JDK. It adds some extra components, but is functionally identical to the Oracle OpenJDK build. And you The TCK/ JCK test suite consists of tens of thousands of tests that exercise every component of a Java SE build to ensure conformance with the Java standard.