Installation of OpenJDK 10 in AWS Elastic Beanstalk with ebextensions

java-10-install.config

# make shell script
files:
  "/opt/elasticbeanstalk/tasks/install-openjdk-10.sh" :
    mode: "000755"
    owner: root
    group: root
    content: |
      if [[ $(javac -version) != *"javac 10"* ]]
      then
        # please check recently openjdk version.
        curl -O https://download.java.net/java/GA/jdk10/10.0.2/19aef61b38124481863b1413dce1855f/13/openjdk-10.0.2_linux-x64_bin.tar.gz
        tar xvf openjdk-10*_bin.tar.gz -C /opt

        # set java, javac path
        alternatives --install /usr/bin/java java /opt/jdk-10.0.2/bin/java 2
        alternatives --install /usr/bin/javac javac /opt/jdk-10.0.2/bin/javac 2
        alternatives --set java /opt/jdk-10.0.2/bin/java
        alternatives --set javac /opt/jdk-10.0.2/bin/javac

        # set ${JAVA_HOME} path
        alternatives --install /usr/lib/jvm/java java_sdk /opt/jdk-10.0.2 1

        # change Root CA Certificates
        rm -rf /opt/jdk-10.0.2/lib/security
        cp -r /usr/lib/jvm/java-1.8.0-openjdk.x86_64/jre/lib/security /opt/jdk-10.0.2/lib/security
        mv /opt/jdk-10.0.2/lib/security/java.policy /opt/jdk-10.0.2/lib/security/default.policy

        # clear
        rm -rf openjdk-10*_bin.tar.gz
      fi

# execution shell script
commands:
  install-openjdk-10:
    command: /opt/elasticbeanstalk/tasks/install-openjdk-10.sh