tweag
Bazel 5 java_runtime_version CLI parameters don't override system ones
Describe the bug
If I don't have Java installed or present in JAVA_HOME and PATH env variables, I can't build Java project even if I specify --tool_java_runtime_version=remotejdk_11 --java_runtime_version=remotejdk_11:
Error in fail: Auto-Configuration Error: Cannot find Java binary bin/java in /private/var/tmp/_bazel_tweag/decaa88e167f29f805e634aae0c83deb/external/local_jdk/nosystemjdk; either correct your JAVA_HOME, PATH or specify Java from remote repository (e.g. --java_runtime_version=remotejdk_11
To Reproduce
On macOS without Java installed, enter examples/toolchains/java directory and run
nix-shell --run 'bazel run --tool_java_runtime_version=remotejdk_11 --java_runtime_version=remotejdk_11 :hello'
Expected behavior Example should be built using downloaded JDK
Environment
- OS name + version: macOS Monterey 12.2.1
- Version of the code:
Additional context See https://github.com/tweag/rules_nixpkgs/pull/185#issuecomment-1054227701 for the context where this has been found. I tried to add the problematic argument to global bazelrc on clean Ubuntu VM and didn't manage to reproduce this issue using upstream Bazel bindist.
To copy the extra context from https://github.com/tweag/rules_nixpkgs/pull/185: It seems to be specifically a Nix provided Bazel with a rules_java provided toolchain that fails in this way. A Nix provided Bazel with a rules_nixpkgs provided Java toolchain and a Bazel bindist (e.g. via bazelisk) and a rules_java provided toolchain on the other hand seem to be working fine.
