WIP: use JDK 11 for gradle

Author: smola

.circleci/config.continue.yml.j2

@@ -311,6 +311,7 @@ jobs:
 {% if is_nightly %}
             ./gradlew resolveAndLockAll --write-locks &&
 {% endif %}
+            JAVA_HOME="$JAVA_11_HOME"
             MAVEN_OPTS="-Xms64M -Xmx256M"
             GRADLE_OPTS="-Dorg.gradle.jvmargs='-Xmx2560M -Xms2560M -XX:ErrorFile=/tmp/hs_err_pid%p.log -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/tmp'"
             ./gradlew clean
@@ -565,6 +566,7 @@ jobs:
             fi
 
             << parameters.environment >>
+            JAVA_HOME="$JAVA_11_HOME"
             MAVEN_OPTS="-Xms64M -Xmx512M"
             GRADLE_OPTS="-Dorg.gradle.jvmargs='-Xms<< parameters.maxDaemonHeapSize >> -Xmx<< parameters.maxDaemonHeapSize >> $PROFILER_COMMAND -XX:ErrorFile=/tmp/hs_err_pid%p.log -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/tmp' -Ddatadog.forkedMaxHeapSize=768M -Ddatadog.forkedMinHeapSize=128M"
             ./gradlew