ci: Upgrade CI runtime to JDK 25 - #1100
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wenyt (wenytang-ms)
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Changyong Gong (chagong) and
Jinbo Wang (testforstephen)
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September 20, 2026 02:38
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🟢 Approval recommended
No unresolved review comments were identified.
Review effort: Lite
Findings: None
What changed in this PR
Upgrades CI, E2E, and release workflows from JDK 21 to JDK 25 to support current JDT LS dependencies.
Changes:
- Updated GitHub Actions workflows to Temurin JDK 25.
- Updated Azure CI, nightly, and RC pipelines to JDK 25.
- Updated Windows release builds to use Microsoft JDK 25.
| File | Description |
|---|---|
.github/workflows/windows.yml |
Uses Temurin JDK 25. |
.github/workflows/macOS.yml |
Uses Temurin JDK 25. |
.github/workflows/linux.yml |
Uses Temurin JDK 25. |
.github/workflows/e2eUI.yml |
Uses JDK 25 for lint, builds, and E2E jobs. |
.azure-pipelines/rc.yml |
Downloads and uses Microsoft JDK 25. |
.azure-pipelines/nightly.yml |
Downloads and uses Microsoft JDK 25. |
.azure-pipelines/ci.yml |
Uses preinstalled JDK 25. |
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Changyong Gong (chagong)
approved these changes
Sep 20, 2026
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Summary
Rationale
The JDT LS target platform resolves
org.eclipse.jdt.ls.corefrom the unpinnedhttps://download.eclipse.org/jdtls/snapshots/repository/latest/repository. The latest snapshot now pullsorg.eclipse.core.filesystem, which requires Java 25 during Tycho resolution, matching the issue addressed in microsoft/vscode-maven#1217.Validation
npm run tslintmvnw clean package -Declipse.p2.mirrors=false