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Java 11 Support in Jenkins

Oleg Nenashev

Jenkins Platform SIG Lead

@oleg_nenashev

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Platform SIG Update, Nov 19, 2018

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Last update

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JEP-211 Changes since Sep 27

  • JEP-211: Java 11 support in Jenkins
  • Clarified the scope of work
    • Alpine packages are excluded (no JDK11 image in upstream)
  • Introduced the “Java 11 Preview availability” milestone
  • Java 11 support team was created
    • @jenkinsci/java11-support
    • List of members - tentative, looking for participants

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JEP-211 Plans

  • JEP-211: Java 11 support in Jenkins
  • BDFL Delegate (Oleg): Ready to approve
  • Looking for final feedback

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Java 11 progress

JEP-211 - JEP for Java support

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Preview in weekly

Preview, feature branch

GA in weekly

GA in LTS

We are here

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Java 11 progress

  • JEP-211 - JEP for Java support
  • Jul-Sep: Upstreaming of patches
  • DW-JW 2018 hackfests
    • In US and Nice
    • Mark Waite, Daniel Beck, Jeff Pearce, Sam van Oort, Ashton Treadway, Romén Rodríguez-Gil, Oleg Nenashev, Oliver Gondza

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Current state

  • Java 11 was released (Sep 25)
  • All functional patches are in Jenkins Weekly
  • Oct 22 - DW-JW Hackfest. Java 11

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Preview in weekly

Preview, feature branch

GA in weekly

GA in LTS

We are here

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Preview in Weekly. Blockers

  • “Pipeline: Support” release to enable Pipeline
    • JBoss Marshalling update caused regressions
    • Needs investigation/fix
    • Waiting on Pipeline Maintainers
    • JENKINS-52187

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Preview in Weekly. Blockers

  • “Pipeline: Support” release to enable Pipeline
  • Official Docker packaging for masters/agents
    • Agents - Done (Baptiste/Oleg)
    • Master - Done? (Baptiste)
      • Verifying the Weekly release
    • BlueOcean Docker Images (TODO)

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Preview in Weekly. Blockers

  • “Pipeline: Support” release to enable Pipeline
  • Official Docker packaging for masters/agents
  • CI flow for Java 11
    • JTH - done (Oleg)
    • ATH - work-in-progress (by Oliver Gondža)
    • PCT - work-in-progress (Adrien/Oleg)

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GA in Weekly. Blockers

  • Testing, testing, testing
  • JAXB Packaging issue (JENKINS-51965)
    • Pending PR by Kohsuke, needs discussion
  • Java Web Start web UI cleanup (JENKINS-52282)
    • Pending PR by Mark Waite

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Post-GA. What’s next?

  • Java 11 maintenance (min April 2019)
  • Technical debt cleanup
    • Illegal Reflective access & Co in JENKINS-40689
  • Java 11 Subproject packaging
    • Jenkins Evergreen
    • Jenkinsfile Runner
    • Jenkins X
  • Java 12 EA testing?

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Java 11. Where can you help?

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More info

  • Jenkins JIRA
  • Previous SIG meetings
  • DW-JW Nice presentations by Mark and Oleg
    • To be published
  • Oleg’s talk at Lausanne JUG on Nov 14:

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