upgrade Bazel protobuf to 33.1

.bazelrc

@@ -1 +1 @@
-build --cxxopt=-std=c++14 --host_cxxopt=-std=c++14
+build --cxxopt=-std=c++17 --host_cxxopt=-std=c++17

.github/workflows/testing.yml

@@ -81,7 +81,7 @@ jobs:
       matrix:
         bzlmod: [true, false]
     env:
-      USE_BAZEL_VERSION: 7.0.0
+      USE_BAZEL_VERSION: 7.7.1
 
     steps:
     - uses: actions/checkout@v4

MODULE.bazel

@@ -48,17 +48,14 @@ IO_GRPC_GRPC_JAVA_ARTIFACTS = [
 
 bazel_dep(name = "bazel_jar_jar", version = "0.1.7")
 bazel_dep(name = "bazel_skylib", version = "1.7.1")
-bazel_dep(name = "googleapis", repo_name = "com_google_googleapis", version = "0.0.0-20240326-1c8d509c5")
-bazel_dep(name = "grpc-proto", repo_name = "io_grpc_grpc_proto", version = "0.0.0-20240627-ec30f58")
-# Protobuf 25.5+ is incompatible with Bazel 7 with bzlmod
-bazel_dep(name = "protobuf", repo_name = "com_google_protobuf", version = "24.4")
+bazel_dep(name = "googleapis", version = "0.0.0-20240326-1c8d509c5", repo_name = "com_google_googleapis")
+bazel_dep(name = "grpc-proto", version = "0.0.0-20240627-ec30f58", repo_name = "io_grpc_grpc_proto")
+bazel_dep(name = "protobuf", version = "33.1", repo_name = "com_google_protobuf")
 bazel_dep(name = "rules_cc", version = "0.0.9")
-bazel_dep(name = "rules_java", version = "5.3.5")
+bazel_dep(name = "rules_java", version = "9.1.0")
 bazel_dep(name = "rules_jvm_external", version = "6.0")
-bazel_dep(name = "rules_proto", version = "5.3.0-21.7")
 
 maven = use_extension("@rules_jvm_external//:extensions.bzl", "maven")
-
 maven.install(
     artifacts = IO_GRPC_GRPC_JAVA_ARTIFACTS,
     repositories = [

WORKSPACE

@@ -2,12 +2,28 @@ workspace(name = "io_grpc_grpc_java")
 
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
+http_archive(
+    name = "bazel_features",
+    sha256 = "a660027f5a87f13224ab54b8dc6e191693c554f2692fcca46e8e29ee7dabc43b",
+    strip_prefix = "bazel_features-1.30.0",
+    url = "https://github.com/bazel-contrib/bazel_features/releases/download/v1.30.0/bazel_features-v1.30.0.tar.gz",
+)
+
+load("@bazel_features//:deps.bzl", "bazel_features_deps")
+bazel_features_deps()
+
 http_archive(
     name = "rules_java",
-    url = "https://github.com/bazelbuild/rules_java/releases/download/5.3.5/rules_java-5.3.5.tar.gz",
-    sha256 = "c73336802d0b4882e40770666ad055212df4ea62cfa6edf9cb0f9d29828a0934",
+    urls = [
+        "https://github.com/bazelbuild/rules_java/releases/download/9.1.0/rules_java-9.1.0.tar.gz",
+    ],
+    sha256 = "4e1a28a25c2efa53500c928d22ceffbc505dd95b335a2d025836a293b592212f",
 )
 
+load("@rules_java//java:rules_java_deps.bzl", "compatibility_proxy_repo")
+
+compatibility_proxy_repo()
+
 http_archive(
     name = "rules_jvm_external",
     sha256 = "d31e369b854322ca5098ea12c69d7175ded971435e55c18dd9dd5f29cc5249ac",
@@ -26,11 +42,14 @@ load("@bazel_jar_jar//:jar_jar.bzl", "jar_jar_repositories")
 
 jar_jar_repositories()
 
-load("@com_google_protobuf//:protobuf_deps.bzl", "PROTOBUF_MAVEN_ARTIFACTS")
-load("@com_google_protobuf//:protobuf_deps.bzl", "protobuf_deps")
+load("@com_google_protobuf//:protobuf_deps.bzl", "PROTOBUF_MAVEN_ARTIFACTS", "protobuf_deps")
 
 protobuf_deps()
 
+load("@rules_python//python:repositories.bzl", "py_repositories")
+
+py_repositories()
+
 load("@com_google_googleapis//:repository_rules.bzl", "switched_rules_by_language")
 
 switched_rules_by_language(

alts/BUILD.bazel

@@ -1,6 +1,6 @@
+load("@com_google_protobuf//bazel:proto_library.bzl", "proto_library")
 load("@rules_java//java:defs.bzl", "java_library", "java_proto_library")
 load("@rules_jvm_external//:defs.bzl", "artifact")
-load("@rules_proto//proto:defs.bzl", "proto_library")
 load("//:java_grpc_library.bzl", "java_grpc_library")
 
 java_library(

examples/.bazelrc

@@ -1 +1 @@
-build --cxxopt=-std=c++14 --host_cxxopt=-std=c++14
+build --cxxopt=-std=c++17 --host_cxxopt=-std=c++17

examples/BUILD.bazel

@@ -1,4 +1,5 @@
-load("@rules_proto//proto:defs.bzl", "proto_library")
+load("@com_google_protobuf//bazel:java_proto_library.bzl", "java_proto_library")
+load("@com_google_protobuf//bazel:proto_library.bzl", "proto_library")
 load("@io_grpc_grpc_java//:java_grpc_library.bzl", "java_grpc_library")
 
 proto_library(

examples/MODULE.bazel

@@ -1,8 +1,7 @@
-bazel_dep(name = "grpc-java", repo_name = "io_grpc_grpc_java", version = "1.78.0-SNAPSHOT")  # CURRENT_GRPC_VERSION
-bazel_dep(name = "grpc-proto", repo_name = "io_grpc_grpc_proto", version = "0.0.0-20240627-ec30f58")
-bazel_dep(name = "protobuf", repo_name = "com_google_protobuf", version = "23.1")
+bazel_dep(name = "grpc-java", version = "1.78.0-SNAPSHOT", repo_name = "io_grpc_grpc_java")  # CURRENT_GRPC_VERSION
+bazel_dep(name = "grpc-proto", version = "0.0.0-20240627-ec30f58", repo_name = "io_grpc_grpc_proto")
+bazel_dep(name = "protobuf", version = "33.1", repo_name = "com_google_protobuf")
 bazel_dep(name = "rules_jvm_external", version = "6.0")
-bazel_dep(name = "rules_proto", version = "5.3.0-21.7")
 
 # Do not use this override in your own MODULE.bazel. It is unnecessary when
 # using a version from BCR. Be aware the gRPC Java team does not update the

examples/WORKSPACE

@@ -34,11 +34,18 @@ jar_jar_repositories()
 
 # Protobuf now requires C++14 or higher, which requires Bazel configuration
 # outside the WORKSPACE. See .bazelrc in this directory.
-load("@com_google_protobuf//:protobuf_deps.bzl", "PROTOBUF_MAVEN_ARTIFACTS")
-load("@com_google_protobuf//:protobuf_deps.bzl", "protobuf_deps")
+load("@com_google_protobuf//:protobuf_deps.bzl", "PROTOBUF_MAVEN_ARTIFACTS", "protobuf_deps")
 
 protobuf_deps()
 
+load("@rules_python//python:repositories.bzl", "py_repositories")
+
+py_repositories()
+
+load("@rules_java//java:rules_java_deps.bzl", "compatibility_proxy_repo")
+
+compatibility_proxy_repo()
+
 load("@com_google_googleapis//:repository_rules.bzl", "switched_rules_by_language")
 
 switched_rules_by_language(

examples/example-alts/BUILD.bazel

@@ -1,4 +1,5 @@
-load("@rules_proto//proto:defs.bzl", "proto_library")
+load("@com_google_protobuf//bazel:java_proto_library.bzl", "java_proto_library")
+load("@com_google_protobuf//bazel:proto_library.bzl", "proto_library")
 load("@io_grpc_grpc_java//:java_grpc_library.bzl", "java_grpc_library")
 
 proto_library(

examples/example-hostname/BUILD.bazel

@@ -1,4 +1,5 @@
-load("@rules_proto//proto:defs.bzl", "proto_library")
+load("@com_google_protobuf//bazel:java_proto_library.bzl", "java_proto_library")
+load("@com_google_protobuf//bazel:proto_library.bzl", "proto_library")
 load("@io_grpc_grpc_java//:java_grpc_library.bzl", "java_grpc_library")
 
 proto_library(

examples/example-tls/BUILD.bazel

@@ -1,4 +1,5 @@
-load("@rules_proto//proto:defs.bzl", "proto_library")
+load("@com_google_protobuf//bazel:java_proto_library.bzl", "java_proto_library")
+load("@com_google_protobuf//bazel:proto_library.bzl", "proto_library")
 load("@io_grpc_grpc_java//:java_grpc_library.bzl", "java_grpc_library")
 
 proto_library(

java_grpc_library.bzl

@@ -1,5 +1,6 @@
 """Build rule for java_grpc_library."""
-load("@rules_proto//proto:defs.bzl", "ProtoInfo")
+
+load("@com_google_protobuf//bazel/common:proto_info.bzl", "ProtoInfo")
 load("@rules_java//java:defs.bzl", "JavaInfo", "JavaPluginInfo", "java_common")
 
 _JavaRpcToolchainInfo = provider(

repositories.bzl

@@ -116,9 +116,9 @@ def com_google_protobuf():
     # This statement defines the @com_google_protobuf repo.
     http_archive(
         name = "com_google_protobuf",
-        sha256 = "3cf7d5b17c4ff04fe9f038104e9d0cae6da09b8ce271c13e44f8ac69f51e4e0f",
-        strip_prefix = "protobuf-25.5",
-        urls = ["https://github.com/protocolbuffers/protobuf/releases/download/v25.5/protobuf-25.5.tar.gz"],
+        sha256 = "fda132cb0c86400381c0af1fe98bd0f775cb566cb247cdcc105e344e00acc30e",
+        strip_prefix = "protobuf-33.1",
+        urls = ["https://github.com/protocolbuffers/protobuf/releases/download/v33.1/protobuf-33.1.tar.gz"],
     )
 
 def io_grpc_grpc_proto():

testing-proto/BUILD.bazel

@@ -1,5 +1,5 @@
+load("@com_google_protobuf//bazel:proto_library.bzl", "proto_library")
 load("@rules_java//java:defs.bzl", "java_proto_library")
-load("@rules_proto//proto:defs.bzl", "proto_library")
 load("//:java_grpc_library.bzl", "java_grpc_library")
 
 proto_library(

xds/BUILD.bazel

@@ -1,6 +1,6 @@
-load("@rules_java//java:defs.bzl", "java_binary", "java_library", "java_proto_library", "java_test")
-load("@rules_proto//proto:defs.bzl", "proto_library")
 load("@bazel_jar_jar//:jar_jar.bzl", "jar_jar")
+load("@com_google_protobuf//bazel:proto_library.bzl", "proto_library")
+load("@rules_java//java:defs.bzl", "java_binary", "java_library", "java_proto_library", "java_test")
 load("@rules_jvm_external//:defs.bzl", "artifact")
 load("//:java_grpc_library.bzl", "INTERNAL_java_grpc_library_for_xds", "java_grpc_library", "java_rpc_toolchain")