jdk21

docker/Jenkinsfile-build-docker

@@ -19,8 +19,8 @@ properties([
 
 IMAGE_NAME_PREFIX = 'harbor.h2o.ai/opsh2oai/h2o-3'
 
-JDK_VERSIONS = ['8', '10', '11', '12', '13', '14', '15', '16', '17']
-JDK_VERSIONS_PY_R = ['8', '11', '17'] // stable, last-supported, latest
+JDK_VERSIONS = ['8', '10', '11', '12', '13', '14', '15', '16', '17', '21']
+JDK_VERSIONS_PY_R = ['8', '17', '21'] // stable, last-supported, latest
 PYTHON_VERSIONS = ['3.6', '3.7', '3.8', '3.9', '3.10', '3.11']
 R_VERSION = ['3.3.3', '3.4.1', '3.5.3', '3.6.2', '4.0.2']
 
@@ -60,6 +60,7 @@ ansiColor('xterm') {
                             sh "s3cmd get s3://artifacts.h2o.ai/releases/oracle/jdk-15/x64-linux/jdk-15.0.2_linux-x64_bin.tar.gz"
                             sh "s3cmd get s3://artifacts.h2o.ai/releases/oracle/jdk-16/x64-linux/jdk-16.0.2_linux-x64_bin.tar.gz"
                             sh "s3cmd get s3://artifacts.h2o.ai/releases/oracle/jdk-17/x64-linux/jdk-17.0.0_linux-x64_bin.tar.gz"
+                            sh "s3cmd get s3://artifacts.h2o.ai/releases/oracle/jdk-21/x64-linux/jdk-21.0.0_linux-x64_bin.tar.gz"
                         }
                     }
                     stash name: 'docker-sources'
@@ -75,7 +76,7 @@ ansiColor('xterm') {
         PYTHON_VERSIONS.each {version ->
             pythonImages += "dev-python-${version}"
         }
-        buildInParallel(pipelineContext, pythonImages)
+        //buildInParallel(pipelineContext, pythonImages)
 
         buildInParallel(pipelineContext, ['dev-r-base'])
         def componentImages = []
@@ -86,11 +87,15 @@ ansiColor('xterm') {
             componentImages += "dev-jdk-${version}"
         }
         componentImages += "dev-mojocompat"
-        buildInParallel(pipelineContext, componentImages)
+        //buildInParallel(pipelineContext, componentImages)
 
-        buildInParallel(pipelineContext, ["dev-build-base"])
-        buildInParallel(pipelineContext, ["dev-build-hadoop"],)
-        buildInParallel(pipelineContext, ["dev-release"])
+        //buildInParallel(pipelineContext, ["dev-build-base"])
+        //buildInParallel(pipelineContext, ["dev-build-hadoop"],)
+        //buildInParallel(pipelineContext, ["dev-release"])
+
+        buildInParallel(pipelineContext, "dev-jdk-21")
+        buildInParallel(pipelineContext, "dev-r-3.5.3-jdk-21")
+        buildInParallel(pipelineContext, "python-3.6-jdk-21")
 
         def componentJdkImages = []
         PYTHON_VERSIONS.each {version ->
@@ -103,7 +108,7 @@ ansiColor('xterm') {
                 componentJdkImages += "dev-r-${version}-jdk-${jdkVersion}"
             }
         }
-        buildInParallel(pipelineContext, componentJdkImages)
+        //buildInParallel(pipelineContext, componentJdkImages)
     }
 }
 

docker/jenkins-images/Dockerfile-jdk-others

@@ -15,7 +15,8 @@ RUN \
     sync && \
     if [ "${JAVA_VERSION}" = '8' ] || [ "${JAVA_VERSION}" = '10' ] || [ "${JAVA_VERSION}" = '11' ] || \
         [ "${JAVA_VERSION}" = '12' ] || [ "${JAVA_VERSION}" = '13' ] || [ "${JAVA_VERSION}" = '14' ] || \
-        [ "${JAVA_VERSION}" = '15' ] || [ "${JAVA_VERSION}" = '16' ] || [ "${JAVA_VERSION}" = '17' ]; then \
+        [ "${JAVA_VERSION}" = '15' ] || [ "${JAVA_VERSION}" = '16' ] || [ "${JAVA_VERSION}" = '17' ] || \
+        [ "${JAVA_VERSION}" = '21' ]; then \
         /tmp/install_java_version_local ${JAVA_VERSION} /tmp/java-${JAVA_VERSION}-vars.sh; \
     else \
         /tmp/install_java_version ${JAVA_VERSION} /tmp/java-${JAVA_VERSION}-vars.sh; \

docker/scripts/java-21-vars.sh

@@ -0,0 +1,6 @@
+#! /bin/bash
+
+JAVA_INSTALL_VERSION_MAJOR='21'
+JAVA_INSTALL_VERSION=0
+JAVA_INSTALL_PATH=/usr/opt/java-${JAVA_INSTALL_VERSION_MAJOR}-${JAVA_INSTALL_VERSION}/
+JDK_FILE=/tmp/jdk-21.0.0_linux-x64_bin.tar.gz

h2o-assemblies/genmodel/build.gradle

@@ -5,8 +5,8 @@ apply plugin: 'com.github.hierynomus.license'
 description = "H2O GenModel Assembly which is embedded into H2O.jar"
 
 // MOJO has to stay Java 1.7 compatible! 
-sourceCompatibility = 1.7
-targetCompatibility = 1.7
+sourceCompatibility = 1.8
+targetCompatibility = 1.8
 
 // Dependencies
 dependencies {

h2o-core/src/main/java/water/JavaVersionSupport.java

@@ -8,7 +8,7 @@ public class JavaVersionSupport {
     // Make sure that the following is logically consistent with whitelist in R code - see function .h2o.check_java_version in connection.R.
     // Upgrade of the javassist library should be considered when adding support for a new java version.
     public static final int MIN_SUPPORTED_JAVA_VERSION = 8;
-    public static final int MAX_SUPPORTED_JAVA_VERSION = 17;
+    public static final int MAX_SUPPORTED_JAVA_VERSION = 21;
 
     /**
      * Checks for the version of Java this instance of H2O was ran with and compares it with supported versions.

h2o-core/src/test/java/water/JavaVersionSupportTest.java

@@ -37,7 +37,7 @@ public static void beforeClass() throws Exception {
         @Parameterized.Parameters
         public static Collection<Object[]> data() {
             return Arrays.asList(new Object[][]{
-                    {8}, {9}, {10}, {11}, {12}, {13}, {14}, {15}, {16}, {17}
+                    {8}, {9}, {10}, {11}, {12}, {13}, {14}, {15}, {16}, {17}, {21}
             });
         }
 
@@ -79,7 +79,7 @@ public static void beforeClass() throws Exception {
         @Parameterized.Parameters
         public static Collection<Object[]> data() {
             return Arrays.asList(new Object[][]{
-                    {7}, {18}
+                    {7}, {22}
             });
         }
 

h2o-docs/src/product/welcome.rst

@@ -37,7 +37,7 @@ H2O runs on Java. To build H2O or run H2O tests, the 64-bit JDK is required. To
 
 H2O supports the following versions of Java: 
 
-- Java SE 17, 16, 15, 14, 13, 12, 11, 10, 9, 8
+- Java SE 21, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8
 
 Click `here <https://jdk.java.net/archive/>`__ to download the latest supported version.
 

h2o-genmodel-extensions/deepwater/build.gradle

@@ -1,7 +1,7 @@
 description = "H2O GenModel Deepwater Extension"
 
-sourceCompatibility = 1.7
-targetCompatibility = 1.7
+sourceCompatibility = 1.8
+targetCompatibility = 1.8
 
 dependencies {
   api project(":h2o-genmodel")

h2o-genmodel-extensions/mojo-pipeline/build.gradle

@@ -1,8 +1,8 @@
 description = "H2O GenModel support MOJO2 pipeline extensions"
 
 // MOJO has to stay Java 1.7 compatible! 
-sourceCompatibility = 1.7
-targetCompatibility = 1.7
+sourceCompatibility = 1.8
+targetCompatibility = 1.8
 
 dependencies {
     api project(":h2o-genmodel")

h2o-genmodel-extensions/xgboost/build.gradle

@@ -3,8 +3,8 @@ apply plugin: 'com.github.johnrengelman.shadow'
 description = "H2O GenModel XGBoost support"
 
 // MOJO has to stay Java 1.7 compatible! 
-sourceCompatibility = 1.7
-targetCompatibility = 1.7
+sourceCompatibility = 1.8
+targetCompatibility = 1.8
 
 ext {
     xgboostPredictorVersion = "0.3.20"

h2o-genmodel/build.gradle

@@ -4,8 +4,8 @@
 description = "H2O GenModel"
 
 // MOJO has to stay Java 1.7 compatible! 
-sourceCompatibility = 1.7
-targetCompatibility = 1.7
+sourceCompatibility = 1.8
+targetCompatibility = 1.8
 
 apply from: "$rootDir/gradle/dataCheck.gradle"
 

h2o-logger/build.gradle

@@ -1,7 +1,7 @@
 apply plugin: 'java-library'
 
-sourceCompatibility = 1.7
-targetCompatibility = 1.7
+sourceCompatibility = 1.8
+targetCompatibility = 1.8
 
 compileJava {
     options.debug = true

h2o-r/h2o-DESCRIPTION.template

@@ -46,7 +46,7 @@ License: Apache License (== 2.0)
 URL: https://github.com/h2oai/h2o-3
 BugReports: https://github.com/h2oai/h2o-3/issues
 NeedsCompilation: no
-SystemRequirements: Java (>= 8, <= 17)
+SystemRequirements: Java (>= 8, <= 21)
 Depends: R (>= 2.13.0),
          methods,
          stats

scripts/jenkins/Makefile.jenkins

@@ -480,6 +480,13 @@ test-junit-17-jenkins:
 test-junit-17:
 	ADDITIONAL_TEST_JVM_OPTS="--add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.lang.reflect=ALL-UNNAMED" ./gradlew test -x h2o-ext-mojo-pipeline:test -x h2o-automl:test -x h2o-ext-xgboost:testMultiNode -x h2o-ext-target-encoder:testMultiNode -x h2o-clustering:test $$ADDITIONAL_GRADLE_OPTS
 
+test-junit-21-jenkins:
+	$(call sed_test_scripts)
+	@$(MAKE) -f $(THIS_FILE) test-junit-21
+
+test-junit-21:
+	ADDITIONAL_TEST_JVM_OPTS="--add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.lang.reflect=ALL-UNNAMED" ./gradlew test -x h2o-ext-mojo-pipeline:test -x h2o-automl:test -x h2o-ext-xgboost:testMultiNode -x h2o-ext-target-encoder:testMultiNode -x h2o-clustering:test $$ADDITIONAL_GRADLE_OPTS
+
 test-junit-latest-jenkins:
 	$(call sed_test_scripts)
 	@$(MAKE) -f $(THIS_FILE) test-junit-latest

scripts/jenkins/groovy/defineTestStages.groovy

@@ -428,6 +428,12 @@ def call(final pipelineContext) {
       additionalTestPackages: [pipelineContext.getBuildConfig().COMPONENT_PY],
       imageSpecifier: "python-3.6-jdk-17"
     ],
+    [
+      stageName: 'Java 21 JUnit', target: 'test-junit-21-jenkins', pythonVersion: '3.6', javaVersion: 21,
+      timeoutValue: 700, component: pipelineContext.getBuildConfig().COMPONENT_JAVA,
+      additionalTestPackages: [pipelineContext.getBuildConfig().COMPONENT_PY],
+      imageSpecifier: "python-3.6-jdk-21"
+    ],
     [
       stageName: 'Py3.6 Single Node', target: 'test-pyunit-single-node', pythonVersion: '3.6',
       timeoutValue: 40, component: pipelineContext.getBuildConfig().COMPONENT_PY
@@ -504,6 +510,10 @@ def call(final pipelineContext) {
       stageName: 'Java 17 Smoke', target: 'test-junit-17-smoke-jenkins', javaVersion: 17, timeoutValue: 40,
       component: pipelineContext.getBuildConfig().COMPONENT_JAVA
     ],
+    [
+      stageName: 'Java 21 Smoke', target: 'test-junit-21-smoke-jenkins', javaVersion: 21, timeoutValue: 40,
+      component: pipelineContext.getBuildConfig().COMPONENT_JAVA
+    ],
     [
       stageName: 'Java 11 JUnit', target: 'test-junit-11-jenkins', pythonVersion: '3.6', javaVersion: 11,
       timeoutValue: 400, component: pipelineContext.getBuildConfig().COMPONENT_JAVA,