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Set GRAALVM_HOME for GraalVM distributions - #1146
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[WIP] Fix setup-java to set GRAALVM_HOME environment variableSet GRAALVM_HOME for GraalVM distributionsJul 28, 2026
brunoborges
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Jul 28, 2026
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Pull request overview
This pull request restores compatibility with workflows that expect GRAALVM_HOME to be set (notably when migrating from graalvm/setup-graalvm) by exporting GRAALVM_HOME whenever a GraalVM distribution is installed via actions/setup-java.
Changes:
- Export
GRAALVM_HOME(set to the same path asJAVA_HOME) for GraalVM distributions by overridingsetJavaDefault. - Add unit coverage to verify
GRAALVM_HOMEis exported for both Oracle GraalVM and GraalVM Community. - Update the checked-in compiled action bundle (
dist/setup/index.js).
Show a summary per file
| File | Description |
|---|---|
| src/distributions/graalvm/installer.ts | Override setJavaDefault to export GRAALVM_HOME alongside the existing JAVA_HOME behavior. |
| tests/distributors/graalvm-installer.test.ts | Adds tests asserting GRAALVM_HOME is exported for Oracle GraalVM and GraalVM Community installers. |
| dist/setup/index.js | Updates the bundled distribution to include the new GRAALVM_HOME export logic. |
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Bumps [actions/setup-java](https://github.com/actions/setup-java) from 5.7.0 to 6.0.0. Release notes *Sourced from [actions/setup-java's releases](https://github.com/actions/setup-java/releases).* > v6.0.0 > ------ > > What's Changed > -------------- > > * dist: Migrate from Zulu Discovery API to Azul Metadata API by [`@jameswald`](https://github.com/jameswald) in [actions/setup-java#1010](https://redirect.github.com/actions/setup-java/pull/1010) > * feat: add .mvn/extensions.xml to Maven cache key pattern by [`@brunoborges`](https://github.com/brunoborges) with [`@Copilot`](https://github.com/Copilot) in [actions/setup-java#1041](https://redirect.github.com/actions/setup-java/pull/1041) > * Migrate to ESM and upgrade dependencies by [`@priyagupta108`](https://github.com/priyagupta108) in [actions/setup-java#1078](https://redirect.github.com/actions/setup-java/pull/1078) > * Map Zulu x86 architecture to i686 for Azul Metadata API by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1079](https://redirect.github.com/actions/setup-java/pull/1079) > * Rename jdkFile input to jdk-file with deprecated alias by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1083](https://redirect.github.com/actions/setup-java/pull/1083) > * Infer distribution from asdf .tool-versions vendor prefix by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1084](https://redirect.github.com/actions/setup-java/pull/1084) > * Add Maven compiler problem matcher for javac diagnostics by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1086](https://redirect.github.com/actions/setup-java/pull/1086) > * feat: expose cache-primary-key output ([#597](https://redirect.github.com/actions/setup-java/issues/597)) by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1088](https://redirect.github.com/actions/setup-java/pull/1088) > * docs: clarify V6 ESM migration is not a user-facing breaking change by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1090](https://redirect.github.com/actions/setup-java/pull/1090) > * Support multi-field Java versions like `18.0.1.1` by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1092](https://redirect.github.com/actions/setup-java/pull/1092) > * docs: document seeding the Maven cache for plugin dependencies by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1094](https://redirect.github.com/actions/setup-java/pull/1094) > * docs: clarify Maven cache paths and key hash inputs by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1096](https://redirect.github.com/actions/setup-java/pull/1096) > * Support pinning java-version as "latest" by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1093](https://redirect.github.com/actions/setup-java/pull/1093) > * chore(deps-dev): bump eslint from 10.6.0 to 10.7.0 by [`@dependabot`](https://github.com/dependabot)[bot] in [actions/setup-java#1101](https://redirect.github.com/actions/setup-java/pull/1101) > * chore(deps-dev): bump eslint-plugin-n from 18.2.1 to 18.2.2 by [`@dependabot`](https://github.com/dependabot)[bot] in [actions/setup-java#1103](https://redirect.github.com/actions/setup-java/pull/1103) > * chore(deps-dev): bump prettier from 3.9.4 to 3.9.5 by [`@dependabot`](https://github.com/dependabot)[bot] in [actions/setup-java#1105](https://redirect.github.com/actions/setup-java/pull/1105) > * chore(deps): bump actions/checkout from 6 to 7 by [`@dependabot`](https://github.com/dependabot)[bot] in [actions/setup-java#1106](https://redirect.github.com/actions/setup-java/pull/1106) > * chore(deps-dev): bump `@types/node` from 26.1.0 to 26.1.1 by [`@dependabot`](https://github.com/dependabot)[bot] in [actions/setup-java#1104](https://redirect.github.com/actions/setup-java/pull/1104) > * dist: Cover Tencent Kona JDK 25 by [`@johnshajiang`](https://github.com/johnshajiang) in [actions/setup-java#1108](https://redirect.github.com/actions/setup-java/pull/1108) > * chore(deps-dev): bump typescript from 6.0.3 to 7.0.2 by [`@dependabot`](https://github.com/dependabot)[bot] in [actions/setup-java#1102](https://redirect.github.com/actions/setup-java/pull/1102) > * Preserve Maven toolchains across repeated setup-java runs ([#1099](https://redirect.github.com/actions/setup-java/issues/1099)) by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1111](https://redirect.github.com/actions/setup-java/pull/1111) > * dist: Support Liberica NIK ([#878](https://redirect.github.com/actions/setup-java/issues/878)) by [`@asm0dey`](https://github.com/asm0dey) in [actions/setup-java#1112](https://redirect.github.com/actions/setup-java/pull/1112) > * Fix template injection (zizmor alert [#118](https://redirect.github.com/actions/setup-java/issues/118)) in e2e-versions.yml by [`@brunoborges`](https://github.com/brunoborges) with [`@Copilot`](https://github.com/Copilot) in [actions/setup-java#1114](https://redirect.github.com/actions/setup-java/pull/1114) > * Fix template injection in e2e-versions.yml (zizmor alert [#122](https://redirect.github.com/actions/setup-java/issues/122)) by [`@brunoborges`](https://github.com/brunoborges) with [`@Copilot`](https://github.com/Copilot) in [actions/setup-java#1120](https://redirect.github.com/actions/setup-java/pull/1120) > * Disable persisted checkout credentials in e2e workflow by [`@brunoborges`](https://github.com/brunoborges) with [`@Copilot`](https://github.com/Copilot) in [actions/setup-java#1115](https://redirect.github.com/actions/setup-java/pull/1115) > * feat: Update recommended configuration for GPG signing by [`@wetneb`](https://github.com/wetneb) in [actions/setup-java#608](https://redirect.github.com/actions/setup-java/pull/608) > * Cache Maven and Gradle wrapper distributions separately from the dependency cache by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1097](https://redirect.github.com/actions/setup-java/pull/1097) > * Consolidate cache-dependency-path e2e workflow and add maven/sbt coverage by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1124](https://redirect.github.com/actions/setup-java/pull/1124) > * Use gpg.passphraseEnvName instead of the deprecated gpg.passphrase server by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1123](https://redirect.github.com/actions/setup-java/pull/1123) > * Extract repeated directory-check assertions into check-dir.sh helper by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1127](https://redirect.github.com/actions/setup-java/pull/1127) > * Consolidate duplicate jobs in e2e-versions workflow by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1125](https://redirect.github.com/actions/setup-java/pull/1125) > * Use YAML anchors to reduce boilerplate in e2e-versions workflow by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1126](https://redirect.github.com/actions/setup-java/pull/1126) > * Updated msft json for now by [`@jmjaffe37`](https://github.com/jmjaffe37) in [actions/setup-java#1129](https://redirect.github.com/actions/setup-java/pull/1129) > * Document missing action inputs in README by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1130](https://redirect.github.com/actions/setup-java/pull/1130) > * chore(deps): bump `@actions/cache` to 6.2.0 by [`@philip-gai`](https://github.com/philip-gai) in [actions/setup-java#1128](https://redirect.github.com/actions/setup-java/pull/1128) > * Add an option to disable Java problem matchers by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1133](https://redirect.github.com/actions/setup-java/pull/1133) > * docs: update setup-java examples by [`@HarithaVattikuti`](https://github.com/HarithaVattikuti) in [actions/setup-java#1131](https://redirect.github.com/actions/setup-java/pull/1131) > * Clarify credential environment variable inputs by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1134](https://redirect.github.com/actions/setup-java/pull/1134) > * chore(deps-dev): bump `@typescript-eslint/eslint-plugin` from 8.63.0 to 8.64.0 by [`@dependabot`](https://github.com/dependabot)[bot] in [actions/setup-java#1135](https://redirect.github.com/actions/setup-java/pull/1135) > * chore(deps): bump actions/setup-python from 6 to 7 by [`@dependabot`](https://github.com/dependabot)[bot] in [actions/setup-java#1143](https://redirect.github.com/actions/setup-java/pull/1143) > * chore(deps): bump fast-xml-parser from 5.9.3 to 5.10.1 by [`@dependabot`](https://github.com/dependabot)[bot] in [actions/setup-java#1142](https://redirect.github.com/actions/setup-java/pull/1142) > * chore(deps-dev): bump `@typescript-eslint/parser` from 8.64.0 to 8.65.0 by [`@dependabot`](https://github.com/dependabot)[bot] in [actions/setup-java#1138](https://redirect.github.com/actions/setup-java/pull/1138) > * chore(deps-dev): bump lint-staged from 17.0.8 to 17.2.0 by [`@dependabot`](https://github.com/dependabot)[bot] in [actions/setup-java#1136](https://redirect.github.com/actions/setup-java/pull/1136) > * chore(deps-dev): bump typescript from 6.0.3 to 7.0.2 by [`@dependabot`](https://github.com/dependabot)[bot] in [actions/setup-java#1137](https://redirect.github.com/actions/setup-java/pull/1137) > * chore(deps): fix npm audited vulnerabilities by [`@mhoffrog`](https://github.com/mhoffrog) in [actions/setup-java#1140](https://redirect.github.com/actions/setup-java/pull/1140) > * Fix formatting issues in README.md by [`@brunoborges`](https://github.com/brunoborges) in [actions/setup-java#1144](https://redirect.github.com/actions/setup-java/pull/1144) > * Remediate npm audit findings and rebuild distributions by [`@brunoborges`](https://github.com/brunoborges) with [`@Copilot`](https://github.com/Copilot) in [actions/setup-java#1145](https://redirect.github.com/actions/setup-java/pull/1145) > * Set GRAALVM\_HOME for GraalVM distributions by [`@brunoborges`](https://github.com/brunoborges) with [`@Copilot`](https://github.com/Copilot) in [actions/setup-java#1146](https://redirect.github.com/actions/setup-java/pull/1146) ... (truncated) Commits * [`dd06d9c`](actions/setup-java@dd06d9c) Prepare documentation for v6 release ([#1253](https://redirect.github.com/actions/setup-java/issues/1253)) * [`59b3450`](actions/setup-java@59b3450) chore(deps): combine open Dependabot npm updates ([#1252](https://redirect.github.com/actions/setup-java/issues/1252)) * [`b96213d`](actions/setup-java@b96213d) Set default signature verification for supported distributions ([#1246](https://redirect.github.com/actions/setup-java/issues/1246)) * [`1dbac3c`](actions/setup-java@1dbac3c) docs: expose contributing guide to GitHub ([#1245](https://redirect.github.com/actions/setup-java/issues/1245)) * [`11741d6`](actions/setup-java@11741d6) ci: constrain cache e2e job modes ([#1244](https://redirect.github.com/actions/setup-java/issues/1244)) * [`ff99aa1`](actions/setup-java@ff99aa1) Fix Oracle macOS E2E version ([#1243](https://redirect.github.com/actions/setup-java/issues/1243)) * [`416c6d1`](actions/setup-java@416c6d1) Add Red Hat Build of OpenJDK support ([#1241](https://redirect.github.com/actions/setup-java/issues/1241)) * [`5f75b27`](actions/setup-java@5f75b27) Add Maven dependency-resolution repositories ([#1240](https://redirect.github.com/actions/setup-java/issues/1240)) * [`a42a52c`](actions/setup-java@a42a52c) Add multiple Maven server credentials ([#1239](https://redirect.github.com/actions/setup-java/issues/1239)) * [`fb4abd7`](actions/setup-java@fb4abd7) test: cover JDK 26 from SDKMAN ([#1238](https://redirect.github.com/actions/setup-java/issues/1238)) * Additional commits viewable in [compare view](actions/setup-java@b6effb0...dd06d9c) [](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. 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Description:
GraalVM workflows could not locate tools through
GRAALVM_HOME, breaking compatibility withgraalvm/setup-graalvm.GRAALVM_HOMEalongsideJAVA_HOMEfor Oracle GraalVM and GraalVM Community.Related issue:
GraalVM environment compatibility when migrating from
graalvm/setup-graalvm.Check list:
npm run checklocally (format, lint, build, test) and all checks pass.