I'm trying to use remote_java_repository with GraalVM

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How to use `remote_java_repository` with a JDK release where Java home is nested? about rules_java HOT 6 OPEN

bazelbuild commented on June 5, 2024

How to use `remote_java_repository` with a JDK release where Java home is nested?

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Comments (6)

sgammon commented on June 5, 2024 1

@josephglanville i encountered some trouble with this too, so i released rules_graalvm over the weekend, which supports use of GraalVM as a Java toolchain.

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hvadehra commented on June 5, 2024 1

Alright, feel free to ping here if this comes up again.

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josephglanville commented on June 5, 2024

On closer inspection I'm not sure if there is something that is causing the files not to be unpacked at all, I can find the tar file in the cache and the path where it was meant to be unpacked but the directory is empty. (hence I run into errors with bin/javac not being found etc)

Any tips on debugging what is going wrong here?

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sgammon commented on June 5, 2024

@josephglanville have you tried strip_prefix?

## Setup: Java

load("@rules_java//toolchains:remote_java_repository.bzl", "remote_java_repository")

GRAALVM_SDK_VERSION = "23.1.0-dev-20230803_2234"

JAVA_VERSION = "21"

JAVA_TOOLCHAIN = "@graalvm//:all"

GRAALVM_DOWNLOAD_PREFIX = "https://github.com/graalvm/graalvm-ce-dev-builds/releases/download"

GRAALVM_PATH_PREFIX = "graalvm-community-openjdk-21+30.1"

remote_java_repository(
    name = "graalvm",
    sha256 = "01e1934581a84467a882be2ca64a735e296e3b7e6f470effff076730fb516e3b",
    strip_prefix = "%s/Contents/Home" % GRAALVM_PATH_PREFIX,
    target_compatible_with = [
        "@platforms//cpu:aarch64",
        "@platforms//os:macos",
    ],
    urls = [
        "%s/%s/graalvm-community-java%s-darwin-aarch64-dev.tar.gz" % (
            GRAALVM_DOWNLOAD_PREFIX,
            GRAALVM_SDK_VERSION,
            JAVA_VERSION,
        ),
    ],
    version = JAVA_VERSION,
)

register_toolchains(
    JAVA_TOOLCHAIN,
)