Incompatible change - Rules which use java_common need to register java toolchain #18970
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breaking-change-7.0
Incompatible flags to be flipped in Bazel 7.0
incompatible-change
Incompatible/breaking change
P2
We'll consider working on this in future. (Assignee optional)
team-Rules-Java
Issues for Java rules
type: support / not a bug (process)
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kotlaja
added
team-Rules-Java
meteorcloudy
added
the
breaking-change-7.0
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The change has been made in d0e2958, this issue is only for documenting this breaking change. |
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As a rule user, how can I work around this incompatible change when a rule set I depend on triggers the error pointing here? I'm seeing this Bazel 7.0.0-pre.20230724.1 and rules_scala 6.0.0 (the latest release version). I don't really want to go patching rules_scala. Is there an |
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rules_scala has been fixed at bazelbuild/rules_scala@a42f009, I think the right approach is to ask for a new release and update your rules_scala version. |
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And here is the new release: https://github.com/bazelbuild/rules_scala/releases/tag/v6.1.0 |
hvadehra
added
type: support / not a bug (process)
P2
gergelyfabian
added a commit
to gergelyfabian/rules_scala
that referenced
this issue
Nov 3, 2023
Added `@bazel_tools//tools/jdk:toolchain_type` toolchain scala_junit_test: bazelbuild/bazel#18970 Changed deprecated transitive_runtime_deps to transitive_runtime_jars in jmh.bzl: https://bazel.build/versions/6.4.0/rules/lib/JavaInfo#transitive_runtime_deps
simuons
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to bazelbuild/rules_scala
that referenced
this issue
Nov 6, 2023
Added `@bazel_tools//tools/jdk:toolchain_type` toolchain scala_junit_test: bazelbuild/bazel#18970 Changed deprecated transitive_runtime_deps to transitive_runtime_jars in jmh.bzl: https://bazel.build/versions/6.4.0/rules/lib/JavaInfo#transitive_runtime_deps
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@meteorcloudy I'm running into grpc/grpc-java#10787 after adding that |
mbland
added a commit
to mbland/rules_scala
that referenced
this issue
Oct 1, 2024
Adds `Label("@bazel_tools//tools/jdk:toolchain_type")` to thrift_library
and scala_repl per bazelbuild/bazel#18970.
The error before:
```txt
Error in create_header_compilation_action: Rule 'thrift_library' in
'.../rules_scala/test/src/main/scala/scalarules/test/twitter_scrooge/
thrift/thrift2/thrift3/BUILD.bazel:4:15'
must declare '@@bazel_tools//tools/jdk:toolchain_type' toolchain in
order to use java_common. See
bazelbuild/bazel#18970.
```
Also removed a couple more unnecessary toolchain JAR deps.
mbland
added a commit
to mbland/rules_scala
that referenced
this issue
Oct 3, 2024
This fixes the following error: ```txt Error in create_header_compilation_action: Rule 'thrift_library' in 'rules_scala/test/src/main/scala/scalarules/test/twitter_scrooge/thrift/ thrift_with_compiler_args/BUILD:3:15' must declare '@@bazel_tools//tools/jdk:toolchain_type' toolchain in order to use java_common. See bazelbuild/bazel#18970. ``` Interestingly, adding the toolchain type to `thrift_library` isn't enough; I had to add it to the twitter_scrooge aspects as well. Until I did, it produced the same error message pointing at `thrift_library`, after first reporting: ```txt ERROR: rules_scala/test/src/main/scala/scalarules/test/twitter_scrooge/ thrift/thrift_with_compiler_args/BUILD:3:15: in //twitter_scrooge:twitter_scrooge.bzl%scrooge_java_aspect aspect on thrift_library rule //test/src/main/scala/scalarules/test/twitter_scrooge/thrift/ thrift_with_compiler_args:thrift5: Traceback (most recent call last): File "rules_scala/twitter_scrooge/twitter_scrooge.bzl", line 420, column 49, in _scrooge_java_aspect_impl return _common_scrooge_aspect_implementation(target, ctx, "java", _compile_generated_java) [ ...snip... ] ```
mbland
added a commit
to mbland/rules_scala
that referenced
this issue
Oct 4, 2024
This fixes the following error: ```txt Error in create_header_compilation_action: Rule 'thrift_library' in 'rules_scala/test/src/main/scala/scalarules/test/twitter_scrooge/thrift/ thrift_with_compiler_args/BUILD:3:15' must declare '@@bazel_tools//tools/jdk:toolchain_type' toolchain in order to use java_common. See bazelbuild/bazel#18970. ``` Interestingly, adding the toolchain type to `thrift_library` isn't enough; I had to add it to the twitter_scrooge aspects as well. Until I did, it produced the same error message pointing at `thrift_library`, after first reporting: ```txt ERROR: rules_scala/test/src/main/scala/scalarules/test/twitter_scrooge/ thrift/thrift_with_compiler_args/BUILD:3:15: in //twitter_scrooge:twitter_scrooge.bzl%scrooge_java_aspect aspect on thrift_library rule //test/src/main/scala/scalarules/test/twitter_scrooge/thrift/ thrift_with_compiler_args:thrift5: Traceback (most recent call last): File "rules_scala/twitter_scrooge/twitter_scrooge.bzl", line 420, column 49, in _scrooge_java_aspect_impl return _common_scrooge_aspect_implementation(target, ctx, "java", _compile_generated_java) [ ...snip... ] ```
liucijus
pushed a commit
to bazelbuild/rules_scala
that referenced
this issue
Oct 8, 2024
* Add toolchain_type to thrift_lib, scrooge aspects This fixes the following error: ```txt Error in create_header_compilation_action: Rule 'thrift_library' in 'rules_scala/test/src/main/scala/scalarules/test/twitter_scrooge/thrift/ thrift_with_compiler_args/BUILD:3:15' must declare '@@bazel_tools//tools/jdk:toolchain_type' toolchain in order to use java_common. See bazelbuild/bazel#18970. ``` Interestingly, adding the toolchain type to `thrift_library` isn't enough; I had to add it to the twitter_scrooge aspects as well. Until I did, it produced the same error message pointing at `thrift_library`, after first reporting: ```txt ERROR: rules_scala/test/src/main/scala/scalarules/test/twitter_scrooge/ thrift/thrift_with_compiler_args/BUILD:3:15: in //twitter_scrooge:twitter_scrooge.bzl%scrooge_java_aspect aspect on thrift_library rule //test/src/main/scala/scalarules/test/twitter_scrooge/thrift/ thrift_with_compiler_args:thrift5: Traceback (most recent call last): File "rules_scala/twitter_scrooge/twitter_scrooge.bzl", line 420, column 49, in _scrooge_java_aspect_impl return _common_scrooge_aspect_implementation(target, ctx, "java", _compile_generated_java) [ ...snip... ] ``` * Fix proto_cross_repo_boundary build_file attribute Bazel 7 enforces that this be a proper target label, not a relative path. ```txt ERROR: WORKSPACE:91:37: fetching new_local_repository rule //external:proto_cross_repo_boundary: .../external/test/proto_cross_repo_boundary/repo/BUILD.repo is not a regular file; if you're using a relative or absolute path for `build_file` in your `new_local_repository` rule, please switch to using a label instead INFO: Repository remote_jdk8_macos instantiated at: WORKSPACE:175:18: in <toplevel> .../external/rules_java/java/repositories.bzl:120:10: in remote_jdk8_repos .../external/bazel_tools/tools/build_defs/repo/utils.bzl:240:18: in maybe .../external/rules_java/toolchains/remote_java_repository.bzl:48:17: in remote_java_repository Repository rule http_archive defined at: .../external/bazel_tools/tools/build_defs/repo/http.bzl:384:31: in <toplevel> ERROR: no such package '@@proto_cross_repo_boundary//': .../external/test/proto_cross_repo_boundary/repo/BUILD.repo is not a regular file; if you're using a relative or absolute path for `build_file` in your `new_local_repository` rule, please switch to using a label instead ERROR: test/proto_cross_repo_boundary/BUILD:3:22: //test/proto_cross_repo_boundary:sample_scala_proto depends on @@proto_cross_repo_boundary//:sample_proto in repository @@proto_cross_repo_boundary which failed to fetch. no such package '@@proto_cross_repo_boundary//': .../external/test/proto_cross_repo_boundary/repo/BUILD.repo is not a regular file; if you're using a relative or absolute path for `build_file` in your `new_local_repository` rule, please switch to using a label instead Use --verbose_failures to see the command lines of failed build steps. ERROR: Analysis of target '//test/proto_cross_repo_boundary:sample_scala_proto' failed; build aborted: Analysis failed ``` * Add rules_python stanza to WORKSPACE files Fixes the following breakages under Bazel 7: ```txt $ bazel build //src/... ERROR: error loading package '@@bazel_tools//src/main/protobuf': cannot load '@@rules_python//python:proto.bzl': no such file ERROR: .../src/java/io/bazel/rulesscala/coverage/instrumenter/BUILD:3:12: error loading package '@@bazel_tools//src/main/protobuf': cannot load '@@rules_python//python:proto.bzl': no such file and referenced by '//src/java/io/bazel/rulesscala/coverage/instrumenter:instrumenter' ``` * Set --noenable_bzlmod to prevent MODULE.bazel Makes sure Bazel doesn't autogenerate MODULE.bazel and MODULE.bazel.lock files for now. * Update to Bazel 6.5.0 This is the last release in the Bazel 6 line. With the changes up to this point, the Bazel 7 build only fails on protobuf generation, e.g. on `bazel build //test/proto3:all`, as seen below. Bumping to Bazel 6.5.0 on top of all the previous changes isolates the Bazel 7.0.0 changes causing the failure. ```txt $ bazel build //test/proto3:all ERROR: .../rules_scala/test/proto3/BUILD:14:14: ProtoScalaPBRule test/proto3/generated-proto-lib_jvm_extra_protobuf_generator_scalapb.srcjar failed: (Exit 1): scalapb_worker failed: error executing ProtoScalaPBRule command (from target //test/proto3:generated-proto-lib) bazel-out/darwin_arm64-opt-exec-ST-13d3ddad9198/bin/src/scala/scripts/scalapb_worker ... (remaining 2 arguments skipped) Could not find file in descriptor database: bazel-out/darwin_arm64-fastbuild/bin/test/proto3/generated.proto: No such file or directory java.lang.RuntimeException: Exit with code 1 at scala.sys.package$.error(package.scala:30) at scripts.ScalaPBWorker$.work(ScalaPBWorker.scala:44) at io.bazel.rulesscala.worker.Worker.persistentWorkerMain(Worker.java:96) at io.bazel.rulesscala.worker.Worker.workerMain(Worker.java:49) at scripts.ScalaPBWorker$.main(ScalaPBWorker.scala:39) at scripts.ScalaPBWorker.main(ScalaPBWorker.scala) Use --verbose_failures to see the command lines of failed build steps. ERROR: .../rules_scala/test/proto3/BUILD:14:14 scala @//test/proto3:generated-proto-lib failed: (Exit 1): scalapb_worker failed: error executing ProtoScalaPBRule command (from target //test/proto3:generated-proto-lib) bazel-out/darwin_arm64-opt-exec-ST-13d3ddad9198/bin/src/scala/scripts/scalapb_worker ... (remaining 2 arguments skipped) ``` * Fix WORKSPACE lint errors One of these days I'll remember to run `bazel run //tools:lint_fix` before opening a pull request. * Set --enable_workspace on last_green CI build Learning more about BuildKite every day. * Allow test_all.sh to pass under Bazel 7 `bash ./test_all.sh` passes after minor updates to the following test cases to handle slightly different behavior under Bazel 7: - `test_custom_reporter_class_has_been_set` makes the test output dir writable, since it no longer is by default. - `test_scala_import_expect_failure_on_missing_direct_deps_warn_mode` removes preexisting output, since Bazel 7 won't emit warnings if it already exists. --- FYI: Under Bazel 7.0 and Bazel 7.1, buildifier warnings for external targets in the following test cases changed to begin with `@@repo_name` instead of `@repo_name`: - test/shell/test_scala_library.sh: `test_scala_library_expect_failure_on_missing_direct_external_deps_jar` `test_scala_library_expect_failure_on_missing_direct_external_deps_file_group` - test/shell/test_strict_dependency.sh: `test_stamped_target_label_loading` `test_strict_deps_filter_included_target` - test/shell/test_test_unused_dependency.sh: `test_unused_deps_filter_included_target` However, as of Bazel 7.2, those warnings changed back to `@repo_name`, so those changes aren't reflected in this commit. * Bump to rules_go 0.39.1 for Bazel 7 compatibility `bazel run //tools:lint_{check,fix}` required updating rules_go to 0.39.1 to work under Bazel 7. The previous rules_go version 0.38.1 caused the following error: ```txt $ ./test_lint.sh ERROR: .../external/io_bazel_rules_go/BUILD.bazel:71:16: in (an implicit dependency) attribute of go_context_data rule @@io_bazel_rules_go//:go_context_data: in $whitelist_function_transition attribute of go_context_data rule @@io_bazel_rules_go//:go_context_data: package group '@@bazel_tools//tools/whitelists/function_transition_whitelist:function_transition_whitelist' is misplaced here (they are only allowed in the visibility attribute) ERROR: .../external/io_bazel_rules_go/BUILD.bazel:71:16: Analysis of target '@@io_bazel_rules_go//:go_context_data' failed ERROR: Analysis of target '//tools:lint_check' failed; build aborted: Analysis failed ``` * Bump to rules_java 7.9.0 for Bazel 7 compatibility Updated rules_java to 7.9.0 to fix errors of the following type under Bazel 7.2.1: ```txt ERROR: test/BUILD:640:10: While resolving toolchains for target //test:jar_lister (096dcc8): invalid registered toolchain '@remote_jdk8_linux_aarch64_toolchain_config_repo//:bootstrap_runtime_toolchain': no such target '@@remote_jdk8_linux_aarch64_toolchain_config_repo//:bootstrap_runtime_toolchain': target 'bootstrap_runtime_toolchain' not declared in package '' defined by .../external/remote_jdk8_linux_aarch64_toolchain_config_repo/BUILD.bazel ERROR: Analysis of target '//test:jar_lister' failed; build aborted ``` Also removed the seemingly unused `rules_java_extra` stanza from `WORKSPACE`. --- Though `rules_java` version 7.12.1 is available, and largely works with this repo when using Bazel 7.3.2, it requires a few temporary workarounds. (As I write this, 8.0.0 came out just a few hours ago and I haven't tried it.) Rather than commit the workarounds, upgrading only to 7.9.0 now seems less crufty. Though this commit only updates Bazel to 7.2.1, I suspect it's probably the same basic problem at play. What follows is a very detailed explanation of what happens with 7.12.1 with Bazel 7.3.2, just to have it on the record. --- The workaround is to change a few toolchain and macro file targets from `@bazel_tools//tools/jdk:` to `@rules_java//toolchains:`. This isn't a terribly bad or invasive workaround, but `@bazel_tools//tools/jdk:` is clearly the canonical path. Best to keep it that way, lest we build up technical debt. Without the workaround, these targets would fail: - //test/src/main/resources/java_sources:CompiledWithJava11 - //test/src/main/resources/java_sources:CompiledWithJava8 - //test/toolchains:java21_toolchain - //test:JunitRuntimePlatform - //test:JunitRuntimePlatform_test_runner - //test:scala_binary_jdk_11 with this error: ```txt ERROR: .../external/rules_java_builtin/toolchains/BUILD:254:14: While resolving toolchains for target @@rules_java_builtin//toolchains:platformclasspath (096dcc8): No matching toolchains found for types @@bazel_tools//tools/jdk:bootstrap_runtime_toolchain_type. ``` This appears to be a consequence of both upgrading the Bazel version to 7.3.2 and updating `rules_java` to 7.12.1. The `rules_java_builtin` repo is part of the `WORKSPACE` prefix that adds implicit dependencies: - https://bazel.build/external/migration#builtin-default-deps This repo was added to 7.0.0-pre.20231011.2 in the following change, mapped to `@rules_java` within the scope of the `@bazel_tools` repo: - bazelbuild/bazel: Add rules_java_builtin to the users of Java modules bazelbuild/bazel@ff1abb2 This change tried to ensure `rules_java` remained compatible with earlier Bazel versions. However, it changed all instances of `@bazel_tools//tools/jdk:bootstrap_runtime_toolchain_type` to `//toolchains:bootstrap_runtime_toolchain_type`: - bazelbuild/rules_java: Make rules_java backwards compatible with Bazel 6.3.0 bazelbuild/rules_java@30ecf3f Bazel has bumped `rules_java` in its `workspace_deps.bzl` from 7.9.0 to 7.11.0, but it's only available as of 8.0.0-pre.20240911.1. - bazelbuild/bazel: Update rules_java 7.11.1 / java_tools 13.8 bazelbuild/bazel#23571 bazelbuild/bazel@f92124a --- What I believe is happening is, under Bazel 7.3.2 and `rules_java` 7.12.1: - Bazel creates `rules_java` 7.9.0 as `@rules_java_builtin` in the `WORKSPACE` prefix. - `@bazel_tools` has `@rules_java` mapped to `@rules_java_builtin` when initialized during the `WORKSPACE` prefix, during which `@bazel_tools//tools/jdk` registers `alias()` targets to `@rules_java` toolchain targets. These aliased toolchains specify `@bazel_tools//tools/jdk:bootstrap_runtime_toolchain_type` in their `toolchains` attribute. - `WORKSPACE` loads `@rules_java` 7.12.1 and registers all its toolchains with type `@rules_java//toolchains:bootstrap_runtime_toolchain_type`. - Some `@rules_java` rules explicitly specifying toolchains from `@bazel_tools//tools/jdk` can't find them, because the `@bazel_tools//tools/jdk` toolchain aliases expect toolchains of type `@bazel_tools//tools/jdk:bootstrap_runtime_toolchain_type`. This has broken other projects in the same way: - bazelbuild/bazel: [Bazel CI] Downstream project broken by rules_java upgrade #23619 bazelbuild/bazel#23619 These problems don't appear under Bzlmod, whereby `@rules_java_builtin` was never required. This is because `WORKSPACE` executes its statements sequentially, while Bzlmod builds the module dependency graph _before_ instantiating repositories (within module extensions). It seems a fix is on the way that removes `@rules_java_builtin` from the `WORKSPACE` prefix, and adds `@rules_java` to the suffix. At this moment, though, it's not even in a prerelease: - bazelbuild/bazel: Remove rules_java_builtin in WORKSPACE prefix bazelbuild/bazel@7506690 --- Note that the error message matches that from the following resolved issue, but that issue was for non-Bzlmod child repos when `WORKSPACE` was disabled. - bazelbuild/bazel: Undefined @@rules_java_builtin repository with --noenable_workspace option bazelbuild/bazel#22754
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Rules which use java_common need to register
@bazel_tools//tools/jdk:toolchain_type.This is a breaking change for rules which are using java_common and not registering
@bazel_tools//tools/jdk:toolchain_type.The error you might see if you're affected by this change is:
Rule 'custom_rule' in 'location' must declare '@bazel_tools//tools/jdk:toolchain_type' toolchain in order to use java_common.How to fix this error?
Just register
@bazel_tools//tools/jdk:toolchain_typeinside rule's toolchains in the rule's definition:The text was updated successfully, but these errors were encountered: