diff --git a/.bazelversion b/.bazelversion
index 1b58cc1018..ae6dd4e203 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-0.27.0
+0.29.0
diff --git a/Documentation/config-gerrit.txt b/Documentation/config-gerrit.txt
index b6c034f248..d77a21ddb5 100644
--- a/Documentation/config-gerrit.txt
+++ b/Documentation/config-gerrit.txt
@@ -2840,6 +2840,46 @@ to disk when the process finishes.
 +
 Defaults to 300000 ms (5 minutes).
 
+
+[[index.name.maxMergeCount]]index.name.maxMergeCount::
++
+Determines the max number of simultaneous merges that are allowed. If a merge
+is necessary yet we already have this many threads running, the incoming thread
+(that is calling add/updateDocument) will block until a merge thread has
+completed.  Note that Lucene will only run the smallest maxThreadCount merges
+at a time. See the
+link:https://lucene.apache.org/core/5_5_0/core/org/apache/lucene/index/ConcurrentMergeScheduler.html#setDefaultMaxMergesAndThreads(boolean)[
+Lucene documentation] for further details.
++
+Defaults to -1 for (auto detection).
+
+
+[[index.name.maxThreadCount]]index.name.maxThreadCount::
++
+Determines the max number of simultaneous Lucene merge threads that should be running at
+once. This must be less than or equal to maxMergeCount. See the
+link:https://lucene.apache.org/core/5_5_0/core/org/apache/lucene/index/ConcurrentMergeScheduler.html#setDefaultMaxMergesAndThreads(boolean)[
+Lucene documentation] for further details.
++
+For further details on Lucene index configuration (auto detection) which
+affects maxThreadCount and maxMergeCount settings.
+See the
+link:https://lucene.apache.org/core/5_5_0/core/org/apache/lucene/index/ConcurrentMergeScheduler.html#AUTO_DETECT_MERGES_AND_THREADS[
+Lucene documentation]
++
+Defaults to -1 for (auto detection).
+
+[[index.name.enableAutoIOThrottle]]index.name.enableAutoIOThrottle::
++
+Allows the control of whether automatic IO throttling is enabled and used by
+default in the lucene merge queue.  Automatic dynamic IO throttling, which when
+on is used to adaptively rate limit writes bytes/sec to the minimal rate necessary
+so merges do not fall behind. See the
+link:https://lucene.apache.org/core/5_5_0/core/org/apache/lucene/index/ConcurrentMergeScheduler.html#enableAutoIOThrottle()[
+Lucene documentation] for further details.
++
+Defaults to true (throttling enabled).
+
 Sample Lucene index configuration:
 ----
 [index]
@@ -2848,10 +2888,17 @@ Sample Lucene index configuration:
 [index "changes_open"]
   ramBufferSize = 60 m
   maxBufferedDocs = 3000
+  maxThreadCount = 5
+  maxMergeCount = 50
+
 
 [index "changes_closed"]
   ramBufferSize = 20 m
   maxBufferedDocs = 500
+  maxThreadCount = 10
+  maxMergeCount = 100
+  enableIOThrottle = false
+
 ----
 
 [[elasticsearch]]
diff --git a/WORKSPACE b/WORKSPACE
index 284ed4819e..7104d059d8 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -66,7 +66,19 @@ http_file(
 
 load("@bazel_skylib//lib:versions.bzl", "versions")
 
-versions.check(minimum_bazel_version = "0.26.1")
+versions.check(minimum_bazel_version = "0.29.0")
+
+# Rules Python
+http_archive(
+    name = "rules_python",
+    sha256 = "b5bab4c47e863e0fbb77df4a40c45ca85f98f5a2826939181585644c9f31b97b",
+    strip_prefix = "rules_python-9d68f24659e8ce8b736590ba1e4418af06ec2552",
+    urls = ["https://github.com/bazelbuild/rules_python/archive/9d68f24659e8ce8b736590ba1e4418af06ec2552.tar.gz"],
+)
+
+load("@rules_python//python:repositories.bzl", "py_repositories")
+
+py_repositories()
 
 load("@io_bazel_rules_closure//closure:defs.bzl", "closure_repositories")
 
@@ -106,6 +118,17 @@ load("@bazel_gazelle//:deps.bzl", "gazelle_dependencies", "go_repository")
 
 gazelle_dependencies()
 
+# Protobuf rules support
+http_archive(
+    name = "rules_proto",
+    sha256 = "602e7161d9195e50246177e7c55b2f39950a9cf7366f74ed5f22fd45750cd208",
+    strip_prefix = "rules_proto-97d8af4dc474595af3900dd85cb3a29ad28cc313",
+    urls = [
+        "https://mirror.bazel.build/github.com/bazelbuild/rules_proto/archive/97d8af4dc474595af3900dd85cb3a29ad28cc313.tar.gz",
+        "https://github.com/bazelbuild/rules_proto/archive/97d8af4dc474595af3900dd85cb3a29ad28cc313.tar.gz",
+    ],
+)
+
 # Dependencies for PolyGerrit local dev server.
 go_repository(
     name = "com_github_howeyc_fsnotify",
diff --git a/antlr3/BUILD b/antlr3/BUILD
index 2d3050eb02..549946a2a0 100644
--- a/antlr3/BUILD
+++ b/antlr3/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//tools/bzl:genrule2.bzl", "genrule2")
 
 genrule2(
diff --git a/java/BUILD b/java/BUILD
index 4fc4d79c8a..77611e4353 100644
--- a/java/BUILD
+++ b/java/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_binary", "java_library")
+
 java_binary(
     name = "gerrit-main-class",
     main_class = "Main",
diff --git a/java/com/google/gerrit/acceptance/BUILD b/java/com/google/gerrit/acceptance/BUILD
index 768c340e50..eca7ea629b 100644
--- a/java/com/google/gerrit/acceptance/BUILD
+++ b/java/com/google/gerrit/acceptance/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_binary", "java_library")
 load("//tools/bzl:java.bzl", "java_library2")
 load("//tools/bzl:javadoc.bzl", "java_doc")
 
diff --git a/java/com/google/gerrit/asciidoctor/BUILD b/java/com/google/gerrit/asciidoctor/BUILD
index f5178a0939..94ec20db7d 100644
--- a/java/com/google/gerrit/asciidoctor/BUILD
+++ b/java/com/google/gerrit/asciidoctor/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_binary", "java_library")
+
 java_binary(
     name = "asciidoc",
     main_class = "com.google.gerrit.asciidoctor.AsciiDoctor",
diff --git a/java/com/google/gerrit/common/BUILD b/java/com/google/gerrit/common/BUILD
index b35b8bff72..113ff53df4 100644
--- a/java/com/google/gerrit/common/BUILD
+++ b/java/com/google/gerrit/common/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 ANNOTATIONS = [
     "Nullable.java",
     "UsedAt.java",
diff --git a/java/com/google/gerrit/common/data/testing/BUILD b/java/com/google/gerrit/common/data/testing/BUILD
index 32815d588e..8ab01dead8 100644
--- a/java/com/google/gerrit/common/data/testing/BUILD
+++ b/java/com/google/gerrit/common/data/testing/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "common-data-test-util",
     testonly = True,
diff --git a/java/com/google/gerrit/elasticsearch/BUILD b/java/com/google/gerrit/elasticsearch/BUILD
index f919aade4e..a9b145bfbc 100644
--- a/java/com/google/gerrit/elasticsearch/BUILD
+++ b/java/com/google/gerrit/elasticsearch/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "elasticsearch",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/exceptions/BUILD b/java/com/google/gerrit/exceptions/BUILD
index 50bf883bd6..e08c3fd79f 100644
--- a/java/com/google/gerrit/exceptions/BUILD
+++ b/java/com/google/gerrit/exceptions/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "exceptions",
     srcs = glob(["*.java"]),
diff --git a/java/com/google/gerrit/extensions/BUILD b/java/com/google/gerrit/extensions/BUILD
index b69d2c8d4e..b46b9cc736 100644
--- a/java/com/google/gerrit/extensions/BUILD
+++ b/java/com/google/gerrit/extensions/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_binary", "java_library")
 load("//lib/jgit:jgit.bzl", "JGIT_DOC_URL")
 load("//lib:guava.bzl", "GUAVA_DOC_URL")
 load("//tools/bzl:javadoc.bzl", "java_doc")
diff --git a/java/com/google/gerrit/extensions/common/testing/BUILD b/java/com/google/gerrit/extensions/common/testing/BUILD
index 7092d21d48..9cecb66e0c 100644
--- a/java/com/google/gerrit/extensions/common/testing/BUILD
+++ b/java/com/google/gerrit/extensions/common/testing/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "common-test-util",
     testonly = True,
diff --git a/java/com/google/gerrit/extensions/restapi/testing/BUILD b/java/com/google/gerrit/extensions/restapi/testing/BUILD
index 3417cae2a9..4c44d2ab1e 100644
--- a/java/com/google/gerrit/extensions/restapi/testing/BUILD
+++ b/java/com/google/gerrit/extensions/restapi/testing/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "restapi-test-util",
     testonly = True,
diff --git a/java/com/google/gerrit/git/BUILD b/java/com/google/gerrit/git/BUILD
index fc146dc5e4..5ece37a973 100644
--- a/java/com/google/gerrit/git/BUILD
+++ b/java/com/google/gerrit/git/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "git",
     srcs = glob(["*.java"]),
diff --git a/java/com/google/gerrit/git/testing/BUILD b/java/com/google/gerrit/git/testing/BUILD
index 497510d2a5..13fddc1715 100644
--- a/java/com/google/gerrit/git/testing/BUILD
+++ b/java/com/google/gerrit/git/testing/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 package(default_testonly = True)
 
 java_library(
diff --git a/java/com/google/gerrit/gpg/BUILD b/java/com/google/gerrit/gpg/BUILD
index 49806cfccb..d45a86d740 100644
--- a/java/com/google/gerrit/gpg/BUILD
+++ b/java/com/google/gerrit/gpg/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "gpg",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/gpg/testing/BUILD b/java/com/google/gerrit/gpg/testing/BUILD
index 0282d3ad4e..b227dd5a79 100644
--- a/java/com/google/gerrit/gpg/testing/BUILD
+++ b/java/com/google/gerrit/gpg/testing/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "gpg-test-util",
     testonly = True,
diff --git a/java/com/google/gerrit/httpd/BUILD b/java/com/google/gerrit/httpd/BUILD
index f86b35d52e..c4b031469e 100644
--- a/java/com/google/gerrit/httpd/BUILD
+++ b/java/com/google/gerrit/httpd/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "httpd",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/httpd/auth/oauth/BUILD b/java/com/google/gerrit/httpd/auth/oauth/BUILD
index dd3e5fc044..b74a65a20b 100644
--- a/java/com/google/gerrit/httpd/auth/oauth/BUILD
+++ b/java/com/google/gerrit/httpd/auth/oauth/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "oauth",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/httpd/auth/openid/BUILD b/java/com/google/gerrit/httpd/auth/openid/BUILD
index edd12cc7a1..ad9d3aab91 100644
--- a/java/com/google/gerrit/httpd/auth/openid/BUILD
+++ b/java/com/google/gerrit/httpd/auth/openid/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "openid",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/httpd/init/BUILD b/java/com/google/gerrit/httpd/init/BUILD
index df072b24f2..09772fddca 100644
--- a/java/com/google/gerrit/httpd/init/BUILD
+++ b/java/com/google/gerrit/httpd/init/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "init",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/index/BUILD b/java/com/google/gerrit/index/BUILD
index 7fcf3429f7..5b6aae507b 100644
--- a/java/com/google/gerrit/index/BUILD
+++ b/java/com/google/gerrit/index/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 QUERY_PARSE_EXCEPTION_SRCS = [
     "query/QueryParseException.java",
     "query/QueryRequiresAuthException.java",
diff --git a/java/com/google/gerrit/index/project/BUILD b/java/com/google/gerrit/index/project/BUILD
index f32d8c0f7a..2c460fdca1 100644
--- a/java/com/google/gerrit/index/project/BUILD
+++ b/java/com/google/gerrit/index/project/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "project",
     srcs = glob(["*.java"]),
diff --git a/java/com/google/gerrit/index/query/testing/BUILD b/java/com/google/gerrit/index/query/testing/BUILD
index ee346a8883..1785f49c3b 100644
--- a/java/com/google/gerrit/index/query/testing/BUILD
+++ b/java/com/google/gerrit/index/query/testing/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 package(
     default_testonly = True,
     default_visibility = ["//visibility:public"],
diff --git a/java/com/google/gerrit/jgit/BUILD b/java/com/google/gerrit/jgit/BUILD
index 2387614e99..e67ebfe1ff 100644
--- a/java/com/google/gerrit/jgit/BUILD
+++ b/java/com/google/gerrit/jgit/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "jgit",
     srcs = [
diff --git a/java/com/google/gerrit/json/BUILD b/java/com/google/gerrit/json/BUILD
index 030dddcb63..439f23f2e9 100644
--- a/java/com/google/gerrit/json/BUILD
+++ b/java/com/google/gerrit/json/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "json",
     srcs = glob(["*.java"]),
diff --git a/java/com/google/gerrit/launcher/BUILD b/java/com/google/gerrit/launcher/BUILD
index bac0c532bb..15fa0ce9aa 100644
--- a/java/com/google/gerrit/launcher/BUILD
+++ b/java/com/google/gerrit/launcher/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 # NOTE: GerritLauncher must be a single, self-contained class. Do not add any
 # additional srcs or deps to this rule.
 java_library(
diff --git a/java/com/google/gerrit/lifecycle/BUILD b/java/com/google/gerrit/lifecycle/BUILD
index 7ba6123b92..a3f3d81a87 100644
--- a/java/com/google/gerrit/lifecycle/BUILD
+++ b/java/com/google/gerrit/lifecycle/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "lifecycle",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/lucene/BUILD b/java/com/google/gerrit/lucene/BUILD
index fa4c923e1a..40b2548b46 100644
--- a/java/com/google/gerrit/lucene/BUILD
+++ b/java/com/google/gerrit/lucene/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 QUERY_BUILDER = ["QueryBuilder.java"]
 
 java_library(
diff --git a/java/com/google/gerrit/lucene/GerritIndexWriterConfig.java b/java/com/google/gerrit/lucene/GerritIndexWriterConfig.java
index 75e03e32b5..f6b2f0edf6 100644
--- a/java/com/google/gerrit/lucene/GerritIndexWriterConfig.java
+++ b/java/com/google/gerrit/lucene/GerritIndexWriterConfig.java
@@ -21,6 +21,7 @@ import com.google.common.collect.ImmutableMap;
 import com.google.gerrit.server.config.ConfigUtil;
 import org.apache.lucene.analysis.CharArraySet;
 import org.apache.lucene.analysis.standard.StandardAnalyzer;
+import org.apache.lucene.index.ConcurrentMergeScheduler;
 import org.apache.lucene.index.IndexWriterConfig;
 import org.apache.lucene.index.IndexWriterConfig.OpenMode;
 import org.eclipse.jgit.lib.Config;
@@ -42,6 +43,21 @@ class GerritIndexWriterConfig {
         new IndexWriterConfig(analyzer)
             .setOpenMode(OpenMode.CREATE_OR_APPEND)
             .setCommitOnClose(true);
+
+    int maxMergeCount = cfg.getInt("index", name, "maxMergeCount", -1);
+    int maxThreadCount = cfg.getInt("index", name, "maxThreadCount", -1);
+    boolean enableAutoIOThrottle = cfg.getBoolean("index", name, "enableAutoIOThrottle", true);
+    if (maxMergeCount != -1 || maxThreadCount != -1 || !enableAutoIOThrottle) {
+      ConcurrentMergeScheduler mergeScheduler = new ConcurrentMergeScheduler();
+      if (maxMergeCount != -1 || maxThreadCount != -1) {
+        mergeScheduler.setMaxMergesAndThreads(maxMergeCount, maxThreadCount);
+      }
+      if (!enableAutoIOThrottle) {
+        mergeScheduler.disableAutoIOThrottle();
+      }
+      luceneConfig.setMergeScheduler(mergeScheduler);
+    }
+
     double m = 1 << 20;
     luceneConfig.setRAMBufferSizeMB(
         cfg.getLong(
diff --git a/java/com/google/gerrit/mail/BUILD b/java/com/google/gerrit/mail/BUILD
index 90bb82cc0c..6be5f0e4e4 100644
--- a/java/com/google/gerrit/mail/BUILD
+++ b/java/com/google/gerrit/mail/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "mail",
     srcs = glob(["*.java"]),
diff --git a/java/com/google/gerrit/metrics/BUILD b/java/com/google/gerrit/metrics/BUILD
index 68b29a4ea6..9cc76542bf 100644
--- a/java/com/google/gerrit/metrics/BUILD
+++ b/java/com/google/gerrit/metrics/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "metrics",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/metrics/dropwizard/BUILD b/java/com/google/gerrit/metrics/dropwizard/BUILD
index 9adb375f25..4b3859f7a8 100644
--- a/java/com/google/gerrit/metrics/dropwizard/BUILD
+++ b/java/com/google/gerrit/metrics/dropwizard/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "dropwizard",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/pgm/BUILD b/java/com/google/gerrit/pgm/BUILD
index 02c083c1f5..ea6e9b7f4f 100644
--- a/java/com/google/gerrit/pgm/BUILD
+++ b/java/com/google/gerrit/pgm/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 # TODO(davido): This indirection doesn't avoid unwanted depdencies
 # in acceptance-framework and should be removed. Instead, provided_deps
 # should be used, once https://github.com/bazelbuild/bazel/issues/1402
diff --git a/java/com/google/gerrit/pgm/http/BUILD b/java/com/google/gerrit/pgm/http/BUILD
index 838c614843..34115ae811 100644
--- a/java/com/google/gerrit/pgm/http/BUILD
+++ b/java/com/google/gerrit/pgm/http/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "http",
     visibility = ["//visibility:public"],
diff --git a/java/com/google/gerrit/pgm/http/jetty/BUILD b/java/com/google/gerrit/pgm/http/jetty/BUILD
index a6a13dc74c..ea3afe118c 100644
--- a/java/com/google/gerrit/pgm/http/jetty/BUILD
+++ b/java/com/google/gerrit/pgm/http/jetty/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "jetty",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/pgm/init/BUILD b/java/com/google/gerrit/pgm/init/BUILD
index b2a4d72f85..eb0d49e36a 100644
--- a/java/com/google/gerrit/pgm/init/BUILD
+++ b/java/com/google/gerrit/pgm/init/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "init",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/pgm/init/api/BUILD b/java/com/google/gerrit/pgm/init/api/BUILD
index 5b07fc6cfd..19203fcc48 100644
--- a/java/com/google/gerrit/pgm/init/api/BUILD
+++ b/java/com/google/gerrit/pgm/init/api/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "api",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/pgm/util/BUILD b/java/com/google/gerrit/pgm/util/BUILD
index ffd1cbd3c2..94798f70ad 100644
--- a/java/com/google/gerrit/pgm/util/BUILD
+++ b/java/com/google/gerrit/pgm/util/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "util",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/prettify/BUILD b/java/com/google/gerrit/prettify/BUILD
index 88b5b60ec1..76afbe77b8 100644
--- a/java/com/google/gerrit/prettify/BUILD
+++ b/java/com/google/gerrit/prettify/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "server",
     srcs = glob(["common/**/*.java"]),
diff --git a/java/com/google/gerrit/proto/BUILD b/java/com/google/gerrit/proto/BUILD
index 4f05bf61f3..98558c54f0 100644
--- a/java/com/google/gerrit/proto/BUILD
+++ b/java/com/google/gerrit/proto/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "proto",
     srcs = ["Protos.java"],
diff --git a/java/com/google/gerrit/proto/testing/BUILD b/java/com/google/gerrit/proto/testing/BUILD
index 48115ff157..acfa8f06ee 100644
--- a/java/com/google/gerrit/proto/testing/BUILD
+++ b/java/com/google/gerrit/proto/testing/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 package(default_testonly = True)
 
 java_library(
diff --git a/java/com/google/gerrit/reviewdb/BUILD b/java/com/google/gerrit/reviewdb/BUILD
index 8c286ced14..838aee8950 100644
--- a/java/com/google/gerrit/reviewdb/BUILD
+++ b/java/com/google/gerrit/reviewdb/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 package(
     default_visibility = ["//visibility:public"],
 )
diff --git a/java/com/google/gerrit/server/BUILD b/java/com/google/gerrit/server/BUILD
index 6d4dfcf76c..0992294b93 100644
--- a/java/com/google/gerrit/server/BUILD
+++ b/java/com/google/gerrit/server/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//tools/bzl:javadoc.bzl", "java_doc")
 
 CONSTANTS_SRC = [
diff --git a/java/com/google/gerrit/server/api/BUILD b/java/com/google/gerrit/server/api/BUILD
index b9e26de154..459c16ae0e 100644
--- a/java/com/google/gerrit/server/api/BUILD
+++ b/java/com/google/gerrit/server/api/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "api",
     srcs = glob(
diff --git a/java/com/google/gerrit/server/audit/BUILD b/java/com/google/gerrit/server/audit/BUILD
index 71cd3a1d60..5c2a40aa06 100644
--- a/java/com/google/gerrit/server/audit/BUILD
+++ b/java/com/google/gerrit/server/audit/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "audit",
     srcs = glob(
diff --git a/java/com/google/gerrit/server/cache/h2/BUILD b/java/com/google/gerrit/server/cache/h2/BUILD
index f85b498ce1..79baefc467 100644
--- a/java/com/google/gerrit/server/cache/h2/BUILD
+++ b/java/com/google/gerrit/server/cache/h2/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "h2",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/server/cache/mem/BUILD b/java/com/google/gerrit/server/cache/mem/BUILD
index 4106714b3d..eb0695e1b1 100644
--- a/java/com/google/gerrit/server/cache/mem/BUILD
+++ b/java/com/google/gerrit/server/cache/mem/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "mem",
     srcs = glob(["*.java"]),
diff --git a/java/com/google/gerrit/server/cache/serialize/BUILD b/java/com/google/gerrit/server/cache/serialize/BUILD
index a3a2054234..3547605314 100644
--- a/java/com/google/gerrit/server/cache/serialize/BUILD
+++ b/java/com/google/gerrit/server/cache/serialize/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "serialize",
     srcs = glob(["*.java"]),
diff --git a/java/com/google/gerrit/server/cache/testing/BUILD b/java/com/google/gerrit/server/cache/testing/BUILD
index 16cbe17ff7..09f698c125 100644
--- a/java/com/google/gerrit/server/cache/testing/BUILD
+++ b/java/com/google/gerrit/server/cache/testing/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 package(default_testonly = True)
 
 java_library(
diff --git a/java/com/google/gerrit/server/git/receive/BUILD b/java/com/google/gerrit/server/git/receive/BUILD
index a4f4d93bcb..3f7d864a02 100644
--- a/java/com/google/gerrit/server/git/receive/BUILD
+++ b/java/com/google/gerrit/server/git/receive/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "receive",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/server/group/db/testing/BUILD b/java/com/google/gerrit/server/group/db/testing/BUILD
index c13abbaf66..b5d5a43f5f 100644
--- a/java/com/google/gerrit/server/group/db/testing/BUILD
+++ b/java/com/google/gerrit/server/group/db/testing/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 package(default_visibility = ["//visibility:public"])
 
 java_library(
diff --git a/java/com/google/gerrit/server/group/testing/BUILD b/java/com/google/gerrit/server/group/testing/BUILD
index 3ef712c87e..9b6d8de925 100644
--- a/java/com/google/gerrit/server/group/testing/BUILD
+++ b/java/com/google/gerrit/server/group/testing/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 package(default_visibility = ["//visibility:public"])
 
 java_library(
diff --git a/java/com/google/gerrit/server/ioutil/BUILD b/java/com/google/gerrit/server/ioutil/BUILD
index ea91929b4b..ed58d5bd40 100644
--- a/java/com/google/gerrit/server/ioutil/BUILD
+++ b/java/com/google/gerrit/server/ioutil/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "ioutil",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/server/logging/BUILD b/java/com/google/gerrit/server/logging/BUILD
index f78ff5f9d8..c214d69de8 100644
--- a/java/com/google/gerrit/server/logging/BUILD
+++ b/java/com/google/gerrit/server/logging/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "logging",
     srcs = glob(
diff --git a/java/com/google/gerrit/server/project/testing/BUILD b/java/com/google/gerrit/server/project/testing/BUILD
index f221e00dc9..968e3da744 100644
--- a/java/com/google/gerrit/server/project/testing/BUILD
+++ b/java/com/google/gerrit/server/project/testing/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "project-test-util",
     testonly = True,
diff --git a/java/com/google/gerrit/server/restapi/BUILD b/java/com/google/gerrit/server/restapi/BUILD
index f2d6e0fa76..9a2d11b414 100644
--- a/java/com/google/gerrit/server/restapi/BUILD
+++ b/java/com/google/gerrit/server/restapi/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 package(
     default_visibility = ["//visibility:public"],
 )
diff --git a/java/com/google/gerrit/server/schema/BUILD b/java/com/google/gerrit/server/schema/BUILD
index aa552edd15..fe07791706 100644
--- a/java/com/google/gerrit/server/schema/BUILD
+++ b/java/com/google/gerrit/server/schema/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "schema",
     srcs = glob(
diff --git a/java/com/google/gerrit/server/schema/testing/BUILD b/java/com/google/gerrit/server/schema/testing/BUILD
index c520f437b3..d641c47917 100644
--- a/java/com/google/gerrit/server/schema/testing/BUILD
+++ b/java/com/google/gerrit/server/schema/testing/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 package(default_visibility = ["//visibility:public"])
 
 java_library(
diff --git a/java/com/google/gerrit/server/securestore/testing/BUILD b/java/com/google/gerrit/server/securestore/testing/BUILD
index 9b76b9ee79..c2582b9a26 100644
--- a/java/com/google/gerrit/server/securestore/testing/BUILD
+++ b/java/com/google/gerrit/server/securestore/testing/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 package(default_testonly = True)
 
 java_library(
diff --git a/java/com/google/gerrit/server/util/git/BUILD b/java/com/google/gerrit/server/util/git/BUILD
index 81ca9cded9..a8ae918829 100644
--- a/java/com/google/gerrit/server/util/git/BUILD
+++ b/java/com/google/gerrit/server/util/git/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "git",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/server/util/time/BUILD b/java/com/google/gerrit/server/util/time/BUILD
index 710a6b18c4..d00b42d801 100644
--- a/java/com/google/gerrit/server/util/time/BUILD
+++ b/java/com/google/gerrit/server/util/time/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "time",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/sshd/BUILD b/java/com/google/gerrit/sshd/BUILD
index 3a6955425b..33bdf69923 100644
--- a/java/com/google/gerrit/sshd/BUILD
+++ b/java/com/google/gerrit/sshd/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "sshd",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/testing/BUILD b/java/com/google/gerrit/testing/BUILD
index 27065aa178..f5298eafb1 100644
--- a/java/com/google/gerrit/testing/BUILD
+++ b/java/com/google/gerrit/testing/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "gerrit-test-util",
     testonly = True,
diff --git a/java/com/google/gerrit/truth/BUILD b/java/com/google/gerrit/truth/BUILD
index 4727da16a6..7c0e743ad1 100644
--- a/java/com/google/gerrit/truth/BUILD
+++ b/java/com/google/gerrit/truth/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "truth",
     testonly = True,
diff --git a/java/com/google/gerrit/util/cli/BUILD b/java/com/google/gerrit/util/cli/BUILD
index b9b9bba370..e4f2c21d86 100644
--- a/java/com/google/gerrit/util/cli/BUILD
+++ b/java/com/google/gerrit/util/cli/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "cli",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/util/http/BUILD b/java/com/google/gerrit/util/http/BUILD
index 30d3adc735..5ecb7a1edc 100644
--- a/java/com/google/gerrit/util/http/BUILD
+++ b/java/com/google/gerrit/util/http/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "http",
     srcs = glob(["**/*.java"]),
diff --git a/java/com/google/gerrit/util/ssl/BUILD b/java/com/google/gerrit/util/ssl/BUILD
index 4f65b61b56..e0641c73c0 100644
--- a/java/com/google/gerrit/util/ssl/BUILD
+++ b/java/com/google/gerrit/util/ssl/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "ssl",
     srcs = glob(["**/*.java"]),
diff --git a/java/gerrit/BUILD b/java/gerrit/BUILD
index f416f11649..d7e23069ba 100644
--- a/java/gerrit/BUILD
+++ b/java/gerrit/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "prolog-predicates",
     srcs = glob(["**/*.java"]),
diff --git a/java/org/apache/commons/net/BUILD b/java/org/apache/commons/net/BUILD
index 49519334df..c322ecd1dd 100644
--- a/java/org/apache/commons/net/BUILD
+++ b/java/org/apache/commons/net/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "net",
     srcs = glob(["**/*.java"]),
diff --git a/javatests/com/google/gerrit/acceptance/api/group/BUILD b/javatests/com/google/gerrit/acceptance/api/group/BUILD
index a12342a69f..e311e256dd 100644
--- a/javatests/com/google/gerrit/acceptance/api/group/BUILD
+++ b/javatests/com/google/gerrit/acceptance/api/group/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//javatests/com/google/gerrit/acceptance:tests.bzl", "acceptance_tests")
 
 acceptance_tests(
diff --git a/javatests/com/google/gerrit/acceptance/git/BUILD b/javatests/com/google/gerrit/acceptance/git/BUILD
index 0de307ac49..dfaf9e34d4 100644
--- a/javatests/com/google/gerrit/acceptance/git/BUILD
+++ b/javatests/com/google/gerrit/acceptance/git/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//javatests/com/google/gerrit/acceptance:tests.bzl", "acceptance_tests")
 
 [acceptance_tests(
diff --git a/javatests/com/google/gerrit/acceptance/pgm/BUILD b/javatests/com/google/gerrit/acceptance/pgm/BUILD
index e0ed78a539..d15c6ceb0d 100644
--- a/javatests/com/google/gerrit/acceptance/pgm/BUILD
+++ b/javatests/com/google/gerrit/acceptance/pgm/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//javatests/com/google/gerrit/acceptance:tests.bzl", "acceptance_tests")
 
 acceptance_tests(
diff --git a/javatests/com/google/gerrit/acceptance/rest/account/BUILD b/javatests/com/google/gerrit/acceptance/rest/account/BUILD
index 17a605372e..e801dcc820 100644
--- a/javatests/com/google/gerrit/acceptance/rest/account/BUILD
+++ b/javatests/com/google/gerrit/acceptance/rest/account/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//javatests/com/google/gerrit/acceptance:tests.bzl", "acceptance_tests")
 
 acceptance_tests(
diff --git a/javatests/com/google/gerrit/acceptance/rest/change/BUILD b/javatests/com/google/gerrit/acceptance/rest/change/BUILD
index 9a6537895c..7ccf10f717 100644
--- a/javatests/com/google/gerrit/acceptance/rest/change/BUILD
+++ b/javatests/com/google/gerrit/acceptance/rest/change/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//javatests/com/google/gerrit/acceptance:tests.bzl", "acceptance_tests")
 
 SUBMIT_UTIL_SRCS = glob(["AbstractSubmit*.java"])
diff --git a/javatests/com/google/gerrit/acceptance/rest/project/BUILD b/javatests/com/google/gerrit/acceptance/rest/project/BUILD
index 131c24a20d..200b26a0a0 100644
--- a/javatests/com/google/gerrit/acceptance/rest/project/BUILD
+++ b/javatests/com/google/gerrit/acceptance/rest/project/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//javatests/com/google/gerrit/acceptance:tests.bzl", "acceptance_tests")
 
 acceptance_tests(
diff --git a/javatests/com/google/gerrit/acceptance/rest/util/BUILD b/javatests/com/google/gerrit/acceptance/rest/util/BUILD
index cc72e8ac6b..1d3fe65015 100644
--- a/javatests/com/google/gerrit/acceptance/rest/util/BUILD
+++ b/javatests/com/google/gerrit/acceptance/rest/util/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "util",
     testonly = True,
diff --git a/javatests/com/google/gerrit/acceptance/server/mail/BUILD b/javatests/com/google/gerrit/acceptance/server/mail/BUILD
index e21789b966..5d7e65e10c 100644
--- a/javatests/com/google/gerrit/acceptance/server/mail/BUILD
+++ b/javatests/com/google/gerrit/acceptance/server/mail/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//javatests/com/google/gerrit/acceptance:tests.bzl", "acceptance_tests")
 
 DEPS = [
diff --git a/javatests/com/google/gerrit/acceptance/ssh/BUILD b/javatests/com/google/gerrit/acceptance/ssh/BUILD
index 00a0914af6..56343228bc 100644
--- a/javatests/com/google/gerrit/acceptance/ssh/BUILD
+++ b/javatests/com/google/gerrit/acceptance/ssh/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//javatests/com/google/gerrit/acceptance:tests.bzl", "acceptance_tests")
 
 java_library(
diff --git a/javatests/com/google/gerrit/elasticsearch/BUILD b/javatests/com/google/gerrit/elasticsearch/BUILD
index a2bd092c8f..e50f2b5451 100644
--- a/javatests/com/google/gerrit/elasticsearch/BUILD
+++ b/javatests/com/google/gerrit/elasticsearch/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//tools/bzl:junit.bzl", "junit_tests")
 
 java_library(
diff --git a/javatests/com/google/gerrit/server/BUILD b/javatests/com/google/gerrit/server/BUILD
index f6ed5eff8d..1bb22e41ea 100644
--- a/javatests/com/google/gerrit/server/BUILD
+++ b/javatests/com/google/gerrit/server/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//tools/bzl:junit.bzl", "junit_tests")
 
 CUSTOM_TRUTH_SUBJECTS = glob([
diff --git a/javatests/com/google/gerrit/server/query/account/BUILD b/javatests/com/google/gerrit/server/query/account/BUILD
index e41d390315..7b72f4e268 100644
--- a/javatests/com/google/gerrit/server/query/account/BUILD
+++ b/javatests/com/google/gerrit/server/query/account/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//tools/bzl:junit.bzl", "junit_tests")
 
 ABSTRACT_QUERY_TEST = ["AbstractQueryAccountsTest.java"]
diff --git a/javatests/com/google/gerrit/server/query/change/BUILD b/javatests/com/google/gerrit/server/query/change/BUILD
index a1285930bc..67b7c479df 100644
--- a/javatests/com/google/gerrit/server/query/change/BUILD
+++ b/javatests/com/google/gerrit/server/query/change/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//tools/bzl:junit.bzl", "junit_tests")
 
 ABSTRACT_QUERY_TEST = ["AbstractQueryChangesTest.java"]
diff --git a/javatests/com/google/gerrit/server/query/group/BUILD b/javatests/com/google/gerrit/server/query/group/BUILD
index 3f147c929b..1271f4e1ed 100644
--- a/javatests/com/google/gerrit/server/query/group/BUILD
+++ b/javatests/com/google/gerrit/server/query/group/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//tools/bzl:junit.bzl", "junit_tests")
 
 ABSTRACT_QUERY_TEST = ["AbstractQueryGroupsTest.java"]
diff --git a/javatests/com/google/gerrit/server/query/project/BUILD b/javatests/com/google/gerrit/server/query/project/BUILD
index 4ce1c00b4b..e978be6114 100644
--- a/javatests/com/google/gerrit/server/query/project/BUILD
+++ b/javatests/com/google/gerrit/server/query/project/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//tools/bzl:junit.bzl", "junit_tests")
 
 ABSTRACT_QUERY_TEST = ["AbstractQueryProjectsTest.java"]
diff --git a/javatests/com/google/gerrit/util/http/testutil/BUILD b/javatests/com/google/gerrit/util/http/testutil/BUILD
index adae68e375..5cb94c6d60 100644
--- a/javatests/com/google/gerrit/util/http/testutil/BUILD
+++ b/javatests/com/google/gerrit/util/http/testutil/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "testutil",
     testonly = True,
diff --git a/lib/BUILD b/lib/BUILD
index f98f6fe7b5..ab2bad92c8 100644
--- a/lib/BUILD
+++ b/lib/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 exports_files(glob([
     "LICENSE-*",
 ]))
diff --git a/lib/antlr/BUILD b/lib/antlr/BUILD
index c35c2b5943..076aea9ab0 100644
--- a/lib/antlr/BUILD
+++ b/lib/antlr/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_binary", "java_library")
+
 package(default_visibility = ["//java/com/google/gerrit/index:__pkg__"])
 
 [java_library(
diff --git a/lib/asciidoctor/BUILD b/lib/asciidoctor/BUILD
index 62b1114219..b46c08d9aa 100644
--- a/lib/asciidoctor/BUILD
+++ b/lib/asciidoctor/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "asciidoctor",
     data = ["//lib:LICENSE-asciidoctor"],
diff --git a/lib/auto/BUILD b/lib/auto/BUILD
index 1e722bcae5..b60a10199e 100644
--- a/lib/auto/BUILD
+++ b/lib/auto/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library", "java_plugin")
+
 java_plugin(
     name = "auto-annotation-plugin",
     processor_class = "com.google.auto.value.processor.AutoAnnotationProcessor",
diff --git a/lib/bouncycastle/BUILD b/lib/bouncycastle/BUILD
index cf3e996263..43ba6e1cec 100644
--- a/lib/bouncycastle/BUILD
+++ b/lib/bouncycastle/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "bcprov",
     data = ["//lib:LICENSE-bouncycastle"],
diff --git a/lib/commons/BUILD b/lib/commons/BUILD
index e8de396541..38b1b6de84 100644
--- a/lib/commons/BUILD
+++ b/lib/commons/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 package(default_visibility = ["//visibility:public"])
 
 java_library(
diff --git a/lib/dropwizard/BUILD b/lib/dropwizard/BUILD
index 4ae12f14c5..174b7ad12d 100644
--- a/lib/dropwizard/BUILD
+++ b/lib/dropwizard/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "dropwizard-core",
     data = ["//lib:LICENSE-Apache2.0"],
diff --git a/lib/easymock/BUILD b/lib/easymock/BUILD
index 352d2a778c..90c9673d31 100644
--- a/lib/easymock/BUILD
+++ b/lib/easymock/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "easymock",
     data = ["//lib:LICENSE-DO_NOT_DISTRIBUTE"],
diff --git a/lib/elasticsearch-rest-client/BUILD b/lib/elasticsearch-rest-client/BUILD
index 8df3c704ef..e323263beb 100644
--- a/lib/elasticsearch-rest-client/BUILD
+++ b/lib/elasticsearch-rest-client/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 package(default_visibility = ["//visibility:public"])
 
 java_library(
diff --git a/lib/flogger/BUILD b/lib/flogger/BUILD
index c41e12f224..35c3c628f1 100644
--- a/lib/flogger/BUILD
+++ b/lib/flogger/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "api",
     data = ["//lib:LICENSE-Apache2.0"],
diff --git a/lib/gitiles/BUILD b/lib/gitiles/BUILD
index b1bbca16b9..6e0380170a 100644
--- a/lib/gitiles/BUILD
+++ b/lib/gitiles/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "gitiles",
     visibility = ["//visibility:public"],
diff --git a/lib/greenmail/BUILD b/lib/greenmail/BUILD
index 9cbd0eb55a..e8845e2628 100644
--- a/lib/greenmail/BUILD
+++ b/lib/greenmail/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 package(default_visibility = ["//visibility:public"])
 
 POST_JDK8_DEPS = [":javax-activation"]
diff --git a/lib/guice/BUILD b/lib/guice/BUILD
index 7f384e2657..f73984b7c8 100644
--- a/lib/guice/BUILD
+++ b/lib/guice/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "guice",
     data = ["//lib:LICENSE-Apache2.0"],
diff --git a/lib/httpcomponents/BUILD b/lib/httpcomponents/BUILD
index 03d9b68e2b..07d4bb9683 100644
--- a/lib/httpcomponents/BUILD
+++ b/lib/httpcomponents/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 package(default_visibility = ["//visibility:public"])
 
 java_library(
diff --git a/lib/jackson/BUILD b/lib/jackson/BUILD
index 0034748d28..3eed77ad6e 100644
--- a/lib/jackson/BUILD
+++ b/lib/jackson/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "jackson-core",
     data = ["//lib:LICENSE-Apache2.0"],
diff --git a/lib/jetty/BUILD b/lib/jetty/BUILD
index b78ac58806..641738597d 100644
--- a/lib/jetty/BUILD
+++ b/lib/jetty/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "servlet",
     data = ["//lib:LICENSE-Apache2.0"],
diff --git a/lib/jgit/org.eclipse.jgit.archive/BUILD b/lib/jgit/org.eclipse.jgit.archive/BUILD
index 27426235ef..151cd71b6f 100644
--- a/lib/jgit/org.eclipse.jgit.archive/BUILD
+++ b/lib/jgit/org.eclipse.jgit.archive/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//lib/jgit:jgit.bzl", "jgit_dep")
 
 java_library(
diff --git a/lib/jgit/org.eclipse.jgit.http.server/BUILD b/lib/jgit/org.eclipse.jgit.http.server/BUILD
index 001ad8b5c8..fd634a5cc9 100644
--- a/lib/jgit/org.eclipse.jgit.http.server/BUILD
+++ b/lib/jgit/org.eclipse.jgit.http.server/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//lib/jgit:jgit.bzl", "jgit_dep")
 
 java_library(
diff --git a/lib/jgit/org.eclipse.jgit.junit/BUILD b/lib/jgit/org.eclipse.jgit.junit/BUILD
index 29d80d35c3..abc522b8a0 100644
--- a/lib/jgit/org.eclipse.jgit.junit/BUILD
+++ b/lib/jgit/org.eclipse.jgit.junit/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//lib/jgit:jgit.bzl", "jgit_dep")
 
 java_library(
diff --git a/lib/jgit/org.eclipse.jgit/BUILD b/lib/jgit/org.eclipse.jgit/BUILD
index dc111718ae..c1f260740f 100644
--- a/lib/jgit/org.eclipse.jgit/BUILD
+++ b/lib/jgit/org.eclipse.jgit/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//lib/jgit:jgit.bzl", "jgit_dep")
 
 java_library(
diff --git a/lib/jsoup/BUILD b/lib/jsoup/BUILD
index 3142dacb02..71719010b7 100644
--- a/lib/jsoup/BUILD
+++ b/lib/jsoup/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "jsoup",
     data = ["//lib:LICENSE-jsoup"],
diff --git a/lib/log/BUILD b/lib/log/BUILD
index 8e4c9271d2..128e8ba15e 100644
--- a/lib/log/BUILD
+++ b/lib/log/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "api",
     data = ["//lib:LICENSE-slf4j"],
diff --git a/lib/lucene/BUILD b/lib/lucene/BUILD
index adb5030c2c..b8b2457fcc 100644
--- a/lib/lucene/BUILD
+++ b/lib/lucene/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//tools/bzl:maven.bzl", "merge_maven_jars")
 
 package(default_visibility = ["//visibility:public"])
diff --git a/lib/mail/BUILD b/lib/mail/BUILD
index eca2b6b7f9..489f54498f 100644
--- a/lib/mail/BUILD
+++ b/lib/mail/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "mail",
     data = ["//lib:LICENSE-DO_NOT_DISTRIBUTE"],
diff --git a/lib/mime4j/BUILD b/lib/mime4j/BUILD
index ee407c37cc..577661dedb 100644
--- a/lib/mime4j/BUILD
+++ b/lib/mime4j/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "core",
     data = ["//lib:LICENSE-Apache2.0"],
diff --git a/lib/mina/BUILD b/lib/mina/BUILD
index 6ee7e41657..5ad47cd3f1 100644
--- a/lib/mina/BUILD
+++ b/lib/mina/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "sshd",
     data = ["//lib:LICENSE-Apache2.0"],
diff --git a/lib/mockito/BUILD b/lib/mockito/BUILD
index fa4839b351..335af2e289 100644
--- a/lib/mockito/BUILD
+++ b/lib/mockito/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 package(
     default_testonly = True,
     default_visibility = ["//visibility:private"],
diff --git a/lib/openid/BUILD b/lib/openid/BUILD
index faa073b6bc..c27e8ab359 100644
--- a/lib/openid/BUILD
+++ b/lib/openid/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "consumer",
     data = ["//lib:LICENSE-Apache2.0"],
diff --git a/lib/ow2/BUILD b/lib/ow2/BUILD
index 5a82572830..7fe7e2d7c0 100644
--- a/lib/ow2/BUILD
+++ b/lib/ow2/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "ow2-asm",
     data = ["//lib:LICENSE-ow2"],
diff --git a/lib/powermock/BUILD b/lib/powermock/BUILD
index 57880f4e32..39df164aa8 100644
--- a/lib/powermock/BUILD
+++ b/lib/powermock/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "powermock-module-junit4",
     data = ["//lib:LICENSE-DO_NOT_DISTRIBUTE"],
diff --git a/lib/prolog/BUILD b/lib/prolog/BUILD
index 8518af7010..6ae443469c 100644
--- a/lib/prolog/BUILD
+++ b/lib/prolog/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_binary", "java_library")
+
 java_library(
     name = "runtime",
     data = ["//lib:LICENSE-prologcafe"],
diff --git a/lib/prolog/prolog.bzl b/lib/prolog/prolog.bzl
index 4d4dd3a394..ffc3198228 100644
--- a/lib/prolog/prolog.bzl
+++ b/lib/prolog/prolog.bzl
@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_java//java:defs.bzl", "java_library")
+
 def prolog_cafe_library(
         name,
         srcs,
@@ -26,7 +28,7 @@ def prolog_cafe_library(
         tools = ["//lib/prolog:compiler-bin"],
         outs = [name + ".srcjar"],
     )
-    native.java_library(
+    java_library(
         name = name,
         srcs = [":" + name + "__pl2j"],
         deps = ["//lib/prolog:runtime-neverlink"] + deps,
diff --git a/lib/testcontainers/BUILD b/lib/testcontainers/BUILD
index 25ca327565..a37b733f25 100644
--- a/lib/testcontainers/BUILD
+++ b/lib/testcontainers/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "duct-tape",
     testonly = True,
diff --git a/lib/truth/BUILD b/lib/truth/BUILD
index db5bc489ef..bb30945529 100644
--- a/lib/truth/BUILD
+++ b/lib/truth/BUILD
@@ -1,3 +1,5 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
 java_library(
     name = "truth",
     data = ["//lib:LICENSE-DO_NOT_DISTRIBUTE"],
diff --git a/plugins/BUILD b/plugins/BUILD
index 7d81213c6d..3e937687dd 100644
--- a/plugins/BUILD
+++ b/plugins/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_binary", "java_library")
 load("//tools/bzl:genrule2.bzl", "genrule2")
 load("//tools/bzl:javadoc.bzl", "java_doc")
 load(
diff --git a/plugins/replication b/plugins/replication
index a3ca5f86bb..6246531192 160000
--- a/plugins/replication
+++ b/plugins/replication
@@ -1 +1 @@
-Subproject commit a3ca5f86bb58852b106e3fdb91a79a6cc11bf312
+Subproject commit 62465311920731a9872345440072f11edce42187
diff --git a/proto/BUILD b/proto/BUILD
index cef28a1172..57be2658eb 100644
--- a/proto/BUILD
+++ b/proto/BUILD
@@ -1,3 +1,6 @@
+load("@rules_java//java:defs.bzl", "java_proto_library")
+load("@rules_proto//proto:defs.bzl", "proto_library")
+
 proto_library(
     name = "cache_proto",
     srcs = ["cache.proto"],
diff --git a/proto/testing/BUILD b/proto/testing/BUILD
index b9032cf552..3701394bbe 100644
--- a/proto/testing/BUILD
+++ b/proto/testing/BUILD
@@ -1,3 +1,6 @@
+load("@rules_proto//proto:defs.bzl", "proto_library")
+load("@rules_java//java:defs.bzl", "java_proto_library")
+
 proto_library(
     name = "test_proto",
     testonly = 1,
diff --git a/resources/BUILD b/resources/BUILD
index 18d8df6492..b53ae4c691 100644
--- a/resources/BUILD
+++ b/resources/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_import")
 load("//tools/bzl:genrule2.bzl", "genrule2")
 
 java_import(
diff --git a/tools/BUILD b/tools/BUILD
index 3d0959b21b..c236957837 100644
--- a/tools/BUILD
+++ b/tools/BUILD
@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_binary")
+load("@rules_java//java:defs.bzl", "java_package_configuration")
 load(
     "@bazel_tools//tools/jdk:default_java_toolchain.bzl",
     "JDK9_JVM_OPTS",
diff --git a/tools/bzl/java.bzl b/tools/bzl/java.bzl
index 7c41fbed52..8996b69360 100644
--- a/tools/bzl/java.bzl
+++ b/tools/bzl/java.bzl
@@ -15,11 +15,13 @@
 # Syntactic sugar for native java_library() rule:
 #   accept exported_deps attributes
 
+load("@rules_java//java:defs.bzl", "java_library")
+
 def java_library2(deps = [], exported_deps = [], exports = [], **kwargs):
     if exported_deps:
         deps = deps + exported_deps
         exports = exports + exported_deps
-    native.java_library(
+    java_library(
         deps = deps,
         exports = exports,
         **kwargs
diff --git a/tools/bzl/junit.bzl b/tools/bzl/junit.bzl
index 1a3099728d..613efb1846 100644
--- a/tools/bzl/junit.bzl
+++ b/tools/bzl/junit.bzl
@@ -18,6 +18,8 @@
 
 # See https://github.com/bazelbuild/bazel/issues/1017 for background.
 
+load("@rules_java//java:defs.bzl", "java_test")
+
 _OUTPUT = """import org.junit.runners.Suite;
 import org.junit.runner.RunWith;
 
@@ -84,7 +86,7 @@ def junit_tests(name, srcs, **kwargs):
         "//:java_next": POST_JDK8_OPTS,
         "//conditions:default": [],
     })
-    native.java_test(
+    java_test(
         name = name,
         test_class = s_name,
         srcs = srcs + [":" + s_name],
diff --git a/tools/bzl/maven.bzl b/tools/bzl/maven.bzl
index 71aa91c3e8..36e3084e78 100644
--- a/tools/bzl/maven.bzl
+++ b/tools/bzl/maven.bzl
@@ -14,6 +14,8 @@
 
 # Merge maven files
 
+load("@rules_java//java:defs.bzl", "java_import")
+
 def cmd(jars):
     return ("$(location //tools:merge_jars) $@ " +
             " ".join(["$(location %s)" % j for j in jars]))
@@ -25,7 +27,7 @@ def merge_maven_jars(name, srcs, **kwargs):
         tools = srcs + ["//tools:merge_jars"],
         outs = ["%s__merged.jar" % name],
     )
-    native.java_import(
+    java_import(
         name = name,
         jars = [":%s__merged_bin" % name],
         **kwargs
diff --git a/tools/bzl/plugin.bzl b/tools/bzl/plugin.bzl
index 066fe43e67..ed64d1b775 100644
--- a/tools/bzl/plugin.bzl
+++ b/tools/bzl/plugin.bzl
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_binary", "java_library")
 load("//tools/bzl:genrule2.bzl", "genrule2")
 
 PLUGIN_DEPS = ["//plugins:plugin-lib"]
@@ -21,7 +22,7 @@ def gerrit_plugin(
         dir_name = None,
         target_suffix = "",
         **kwargs):
-    native.java_library(
+    java_library(
         name = name + "__plugin",
         srcs = srcs,
         resources = resources,
@@ -35,7 +36,7 @@ def gerrit_plugin(
     if not dir_name:
         dir_name = name
 
-    native.java_binary(
+    java_binary(
         name = "%s__non_stamped" % name,
         deploy_manifest_lines = manifest_entries + ["Gerrit-ApiType: plugin"],
         main_class = "Dummy",
diff --git a/tools/eclipse/BUILD b/tools/eclipse/BUILD
index 814a56f663..e091fc15ac 100644
--- a/tools/eclipse/BUILD
+++ b/tools/eclipse/BUILD
@@ -1,3 +1,4 @@
+load("@rules_java//java:defs.bzl", "java_library")
 load("//tools/bzl:classpath.bzl", "classpath_collector")
 load("//tools/bzl:pkg_war.bzl", "LIBS", "PGMLIBS")
 load(