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Java 14 toolchain support #11017
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Workaround: Have you checked Gerrit Code Review project? It is documented how to use JDK 13 with vanilla toochain (or JDK 14 or newer):
Say, JDK 14 is installed in directory:
And the produced Java major byte version is 58, as expected:
|
Thank you for the workaround - Is there any reason why Bazel would not offer support for this out of the box? Seems like a useful feature that could be easily prioritised. Seems like prior art exists for adding a new version as found in this PR: #8534 I created a related issue in the |
The reason is simple. There are so many important things to do and only so many engineers. |
Bazel team has to upload the right binaries to their OpenJDK mirror site: [1]. E.g. this one for Linux: [2] to start to experiment with JDK14 (and newer releases). @aiuto @meteorcloudy Who is the right person on Bazel team to ask to upload JDK 14 binaries to Bazel Mirror? Or, can you grant me the ACL to do that? [1] https://mirror.bazel.build/openjdk/index.html |
We only mirror what we need for the Bazel build or for the current rules_java, so adding more to the mirror is not strictly needed. It might even be confusing since we are in no rush to update our internal JDK bundle to JDK14. But that does not stop anyone from trying to add JDK14 support to rules_java. During development the download can come from anywhere and does not have to be in the mirror. If someone sends a workable PR against rules_java to add a JDK14 toolchain, then we'll have a reason to add it to the mirror. |
Just to make sure I got it correctly: the order of changes to introduce a new version of the JDK is:
Is https://github.com/bazelbuild/bazel/tree/master/src/java_tools supposed to be compatible at HEAD with all currently supported java versions? So any changes to it need to be backwards compatible with jdk11 and jdk12? |
Some bullet points are missing in your list:
You could skip this step, as documented in the README file of I have built and released custom
Also note, that changing [1] Lines 565 to 580 in cb5dc08
[2] #11262 (comment) [3] #11426 [4] https://github.com/davido/java_tools/releases/tag/javac11-v12.0 [5] https://gerrit-review.googlesource.com/c/gerrit/+/265493 [6] #11447 |
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
I uploaded a PR for toolchain 14 support. I have built and conducted Example project that demonstrates that Java 14 syntax class can be built out of the box is here:
The real world example building with JDK 14 toolchain, Gerrit Code Review built on real CI with installed Bazel 3.1.0 only) is here. Update: CI logs emitting these warnings, that must be fixed in the
I would look into new and shiny Z garbage collector: [1] that has seen substantial But even today I would be interested to hear feedback of running Bazel on JDK14 with ZGC enabled and run existing Bazel load tests. [1] https://wiki.openjdk.java.net/display/zgc/Main |
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: $ bazel build src:java_tools_java14.zip 2. Switch to using the java_tools from the above step in WORKSPACE file: load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) 4. Activate custom java toolchain and javabase in .bazelrc file: build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime 5. Create Java 14 example class file: public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } 6. Add Bazel file to build Java 14 syntax class with activated preview features: java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) 7. Test that it works as expected: $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0
Closes bazelbuild#11017. This is the follow-up for PR: [1]. Because of the chicken and the egg problem, it has to be done on three steps: 1. add support for java toolchange JDK 14, done in: [1] 2. publish new java_tools_javac14, kicked off by the pipeline in java_tools repository 3. add unit test against released java_tools_javac4 published in step 2, this change Test Plan: $ bazel test //src/test/shell/bazel:bazel_coverage_java_jdk14toolchain_released_test [1] bazelbuild#11514
Now, that I also updated this Java 14 example repository: [1] and this gerrit change: [2] correspondingly. [1] https://github.com/davido/bazel_java_toolchain14/blob/master/WORKSPACE#L4 |
Closes bazelbuild#11017. This is the follow-up for PR: [1]. Because of the chicken and the egg problem, it has to be done in three steps: 1. add support for java toolchange JDK 14, done in: [1] 2. publish new java_tools_javac14, kicked off by the pipeline in java_tools repository, in context of: [2] 3. add unit test against released java_tools_javac14 published in step 2, this change Test Plan: $ bazel test //src/test/shell/bazel:bazel_coverage_java_jdk14toolchain_released_test [1] bazelbuild#11514 [2] bazelbuild/java_tools#28
Does it work for MacOS as well? |
Sure. All you need is to add these lines to your # Java tools javac14 for Darwin
http_archive(
name = "remote_java_tools_darwin",
sha256 = "e20f002ceb3f3353d64c022e1f3400d8539ee56ffcfd4a6680d73d6a2cac938b",
urls = [
"https://mirror.bazel.build/bazel_java_tools/releases/javac14/v1.0/java_tools_javac14_darwin-v1.0.zip",
"https://github.com/bazelbuild/java_tools/releases/download/javac14-v1.0/java_tools_javac14_darwin-v1.0.zip",
],
)
# Zulu OpenJDK for Darwin
http_archive(
name = "openjdk14_darwin_archive",
build_file_content = "java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public'])",
sha256 = "088bd4d0890acc9f032b738283bf0f26b2a55c50b02d1c8a12c451d8ddf080dd",
strip_prefix = "zulu14.28.21-ca-jdk14.0.1-macosx_x64",
urls = ["https://mirror.bazel.build/cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-macosx_x64.tar.gz"],
) And then invoke $ bazel build \
--java_toolchain=@remote_java_tools_darwin//:toolchain_jdk_14 \
--host_java_toolchain=@remote_java_tools_darwin//:toolchain_jdk_14 \
--javabase=@openjdk14_darwin_archive//:runtime \
--host_javabase=@openjdk14_darwin_archive//:runtime \
:foo |
@davido Can confirm it's building our codebase correctly on both macOS and Linux 🙇 . |
Closes #11017. This is the follow-up for PR: [1]. Because of the chicken and the egg problem, it has to be done in three steps: 1. add support for java toolchange JDK 14, done in: [1] 2. publish new java_tools_javac14, kicked off by the pipeline in java_tools repository, in context of: [2] 3. add unit test against released java_tools_javac14 published in step 2, this change Test Plan: $ bazel test //src/test/shell/bazel:bazel_coverage_java_jdk14toolchain_released_test [1] #11514 [2] bazelbuild/java_tools#28 Closes #11828. PiperOrigin-RevId: 324358602
As an FYI, it's possible to extend this approach to get Java 14 preview features (records, text blocks) to work with Bazel. (Note: Java preview features probably shouldn't be used in production.) This involves passing If you do this, you may be interested in a few issues I ran into along the way: #8585, #11893, protocolbuffers/protobuf@6bbd56d. |
Closes bazelbuild#11017. Test Plan: 1. Create java_tools from this commit: ```bash $ bazel build src:java_tools_java14.zip ``` 2. Switch to using the java_tools from the above step in WORKSPACE file: ```python load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name = "remote_java_tools_linux", urls = [ "file:///<path to the java_tools_java14.zip>", ], ) ``` 3. Add Zulu OpenJDK14 to use as javabase in WORKSPACE file: ```python http_archive( name = "openjdk14_linux_archive", build_file_content = """ java_runtime(name = 'runtime', srcs = glob(['**']), visibility = ['//visibility:public']) exports_files(["WORKSPACE"], visibility = ["//visibility:public"]) """, sha256 = "48bb8947034cd079ad1ef83335e7634db4b12a26743a0dc314b6b861480777aa", strip_prefix = "zulu14.28.21-ca-jdk14.0.1-linux_x64", urls = ["https://cdn.azul.com/zulu/bin/zulu14.28.21-ca-jdk14.0.1-linux_x64.tar.gz"], ) ``` 4. Activate custom java toolchain and javabase in .bazelrc file: ```bash build --java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --host_java_toolchain=@remote_java_tools_linux//:toolchain_jdk_14 build --javabase=@openjdk14_linux_archive//:runtime build --host_javabase=@openjdk14_linux_archive//:runtime ``` 5. Create Java 14 example class file: ```java public class Javac14Example { record Point(int x, int y) {} public static void main(String[] args) { Point point = new Point(0, 1); System.out.println(point.x); } } ``` 6. Add Bazel file to build Java 14 syntax class with activated preview features: ```python java_binary( name = "Javac14Example", srcs = ["Javac14Example.java"], javacopts = ["--enable-preview"], jvm_flags = ["--enable-preview"], main_class = "Javac14Example", ) ``` 7. Test that it works as expected: ``` $ bazel run java:Javac14Example INFO: Analyzed target //java:Javac14Example (1 packages loaded, 2 targets configured). INFO: Found 1 target... INFO: From Building java/Javac14Example.jar (1 source file): Note: java/Javac14Example.java uses preview language features. Note: Recompile with -Xlint:preview for details. Target //java:Javac14Example up-to-date: bazel-bin/java/Javac14Example.jar bazel-bin/java/Javac14Example INFO: Elapsed time: 1.502s, Critical Path: 1.30s INFO: 1 process: 1 worker. INFO: Build completed successfully, 2 total actions INFO: Build completed successfully, 2 total actions 0 ``` Closes bazelbuild#11514. PiperOrigin-RevId: 322759522
Closes bazelbuild#11017. This is the follow-up for PR: [1]. Because of the chicken and the egg problem, it has to be done in three steps: 1. add support for java toolchange JDK 14, done in: [1] 2. publish new java_tools_javac14, kicked off by the pipeline in java_tools repository, in context of: [2] 3. add unit test against released java_tools_javac14 published in step 2, this change Test Plan: $ bazel test //src/test/shell/bazel:bazel_coverage_java_jdk14toolchain_released_test [1] bazelbuild#11514 [2] bazelbuild/java_tools#28 Closes bazelbuild#11828. PiperOrigin-RevId: 324358602
Uh oh!
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Description of the problem / feature request:
Support for java 14 as
--java_toolchain
and--host_java_toolchain
.Feature requests: what underlying problem are you trying to solve with this feature?
Target java 14 and using java 14 source level when building java code
Have you found anything relevant by searching the web?
According to
bazel/src/BUILD
Line 560 in da370c1
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