Support building SDK with JVM 11 (#7535)

* Building the SDK now requires JDK 11.
* Updated to Gradle 7.2.
* Updated to Android Gradle Plugin 7.1.0-beta03.
* Updated to Kotlin 1.5.31.
* Updated to Kotlin Coroutines 1.5.2.
* Updated to CMake 3.21.4.
* Updated to NDK 23.1.7779620.

CHANGELOG.md

@@ -3,6 +3,7 @@
 ### Enhancements
 * [RealmApp] Reduced native memory usage when working with synchronized Realms.
 * [RealmApp] Make it possible to bundle synchronized Realms in apps using `Realm.writeCopyTo()` and `SyncConfiguration.Builder.assetFile()`.
+* The Realm Transformer and Realm Gradle Plugin now supports the Gradle Configuration Cache. (Issue [#7299](https://github.com/realm/realm-java/issues/7299)) 
 
 ### Fixed
 * [RealmApp] Bug where progress notifiers continue to be called after the download of a synced realm is complete. (Issue [Realm Core #4919](https://github.com/realm/realm-core/issues/4919)) 
@@ -18,6 +19,13 @@
 
 ### Internal
 * Updated to Realm Core 11.6.0, commit: b170db6a47789ff5f2fbc3eeed0220b4b0a3f6b7.
+* Building the SDK now requires JDK 11.
+* Updated to Gradle 7.2.
+* Updated to Android Gradle Plugin 7.1.0-beta03.
+* Updated to Kotlin 1.5.31.
+* Updated to Kotlin Coroutines 1.5.2.
+* Updated to CMake 3.21.4.
+* Updated to NDK 23.1.7779620.
 * Disable analytics for any value of the `REALM_DISABLE_ANALYTICS` environment variable, not just `true`.
 * Disable analytics whenever the `CI` environment variable is set.
 

Dockerfile

@@ -9,7 +9,8 @@ ENV TZ=Europe/Copenhagen
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 
 # Set the environment variables
-ENV JAVA_HOME /usr/lib/jvm/java-8-openjdk-amd64
+ENV JAVA_HOME /usr/lib/jvm/java-11-openjdk-amd64
+ENV JAVA8_HOME /usr/lib/jvm/java-8-openjdk-amd64
 ENV ANDROID_HOME /opt/android-sdk-linux
 # Need by cmake
 ENV ANDROID_NDK_HOME /opt/android-ndk
@@ -18,6 +19,7 @@ ENV PATH ${PATH}:${ANDROID_HOME}/emulator:${ANDROID_HOME}/cmdline-tools/latest:$
 ENV PATH ${PATH}:${NDK_HOME}
 ENV NDK_CCACHE /usr/bin/ccache
 ENV CCACHE_CPP2 yes
+ENV REALM_DISABLE_ANALYTICS true
 
 # Keep the packages in alphabetical order to make it easy to avoid duplication
 # tzdata needs to be installed first. See https://askubuntu.com/questions/909277/avoiding-user-interaction-with-tzdata-when-installing-certbot-in-a-docker-contai
@@ -41,6 +43,7 @@ RUN DEBIAN_FRONTEND=noninteractive \
                           libz1 \
                           libvirt-clients \
                           libvirt-daemon-system \
+                          openjdk-11-jdk-headless \
                           openjdk-8-jdk-headless \
                           qemu-kvm \
                           s3cmd \
@@ -77,15 +80,18 @@ RUN yes | sdkmanager \
     'extras;android;m2repository' \
     'platforms;android-30' \
     'platform-tools' \
-    'ndk;22.0.7026061' \
+    'ndk;23.1.7779620' \
     'system-images;android-29;default;x86'
 
 # Make the SDK universally writable
 RUN chmod -R a+rwX ${ANDROID_HOME}
 
 # Ensure a new enough version of CMake is available.
 RUN cd /opt \
-    && wget -nv https://cmake.org/files/v3.18/cmake-3.18.4-Linux-x86_64.tar.gz \
-    && tar zxf cmake-3.18.4-Linux-x86_64.tar.gz
+    && wget -nv https://cmake.org/files/v3.21/cmake-3.21.4-linux-x86_64.tar.gz \
+    && tar zxf cmake-3.21.4-linux-x86_64.tar.gz
 
-ENV PATH "/opt/cmake-3.18.4-Linux-x86_64/bin:$PATH"
+# Workaround for https://issuetracker.google.com/issues/206099937
+RUN ln -s /usr/bin/ninja /opt/cmake-3.21.4-linux-x86_64/bin/ninja
+
+ENV PATH "/opt/cmake-3.21.4-linux-x86_64/bin:$PATH"

Jenkinsfile

@@ -236,20 +236,7 @@ def runBuild(buildFlags, instrumentationTestTarget) {
       if (isReleaseBranch) {
         signingFlags = "-PsignBuild=true -PsignSecretRingFile=\"${SIGN_KEY}\" -PsignPassword=${SIGN_KEY_PASSWORD}"
       }
-      // Work around https://github.com/realm/realm-java/issues/7476 by building each artifact independantly instead 
-      // of using Gradle to call down into sub projects (which seems to trigger a bug somewhere).
-      sh """
-        cd realm-annotations
-        ./gradlew publishToMavenLocal ${buildFlags} ${signingFlags} --stacktrace
-        cd ../realm-transformer
-        ./gradlew publishToMavenLocal ${buildFlags} ${signingFlags} --stacktrace
-        cd ../library-build-transformer
-        ./gradlew publishToMavenLocal ${buildFlags} ${signingFlags} --stacktrace
-        cd ../gradle-plugin
-        ./gradlew publishToMavenLocal ${buildFlags} ${signingFlags} --stacktrace
-        cd ../realm
-        ./gradlew publishToMavenLocal ${buildFlags} ${signingFlags} --stacktrace
-      """
+      sh "./gradlew assemble ${buildFlags} ${signingFlags} --stacktrace"
     }
   }
 
@@ -264,6 +251,14 @@ def runBuild(buildFlags, instrumentationTestTarget) {
         step([$class: 'LintPublisher'])
       }
     },
+    // FIXME https://github.com/realm/realm-java/issues/7593
+    // 'JVM8 introExample check' : {
+    //   // Force build with JVM8, by disabling the cache, and check introExample.
+    //   sh """
+    //     cd examples/moduleExample
+    //     JAVA_HOME=\$JAVA8_HOME ../gradlew check ${buildFlags} --stacktrace
+    //   """
+    // },
     'Realm Transformer' : {
       try {
         gradle('realm-transformer', 'check')

dependencies.list

@@ -1,23 +1,23 @@
 # Realm Core release used by Realm Java
 # https://github.com/realm/realm-core/releases
-REALM_CORE=10.3.3
+REALM_CORE=11.6.0
 
 # Version of MongoDB Realm used by integration tests
 # See https://github.com/realm/ci/packages/147854 for available versions
 MONGODB_REALM_SERVER=2021-04-22
 
 # Common Android settings across projects
-GRADLE_BUILD_TOOLS=4.0.0
+GRADLE_BUILD_TOOLS=7.1.0-beta03
 ANDROID_BUILD_TOOLS=30.0.3
-KOTLIN=1.3.72
-KOTLIN_COROUTINES=1.3.9
+KOTLIN=1.5.31
+KOTLIN_COROUTINES=1.5.2
 
 # Common classpath dependencies
-gradle=6.8.3
-ndkVersion=22.0.7026061
+gradle=7.2
+ndkVersion=23.1.7779620
 BUILD_INFO_EXTRACTOR_GRADLE=4.17.0
 GRADLE_NEXUS_PLUGIN=1.0.0
-CMAKE=3.18.4
+CMAKE=3.21.4
 
 # Bson dependency version
 BSON_DEPENDENCY=3.12.1

examples/compatibilityExample/build.gradle

@@ -39,8 +39,8 @@ android {
 
     // Ensure that we can compile an app without Java 8 features
     compileOptions {
-        sourceCompatibility 1.7
-        targetCompatibility 1.7
+        sourceCompatibility 1.8
+        targetCompatibility 1.8
     }
 }
 

examples/gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.8.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists