Java 8 application on EC2

Question

I was wondering if anyone knows if it will be possible for me to install Java 8 on an EC2 instance. My application is packed as a fat jar with embedded jetty, so the Java 8

Answer 1

Java 8 may not be available out-of-the-box on the AMI that you are looking for. However, you can always install it once the instance is created.

e.g. Check this post which explains how to install java 8 on Ubuntu OR check this post which explains how to install Java 8 on RHEL/Fedora/CentOS.

Answer 2

1. Donwload Linux version of JRE from below link to your windows machine as it has browser. Note that if you are using this EC2 instance as server you just need JRE and not complete JDK. https://www.oracle.com/technetwork/java/javase/downloads/server-jre8-downloads-2133154.html
2. Tranfer downloaded .tar.gz file using winscp to your EC2 instance.
3. Run "tar zxvf jre-8uversion-linux-i586.tar.gz" on your EC2 instance. For more info https://docs.oracle.com/javase/8/docs/technotes/guides/install/linux_jre.html#CFHBHAGI

Answer 3

Installing JDK 8:

Step 1: Check the Java Version

     java -version

Step 2: Download RPM package of Oracle JDK (8u121)

     wget --no-check-certificate --no-cookies --header "Cookie:oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u141-b15/336fa29ff2bb4ef291e347e091f7f4a7/jdk-8u141-linux-x64.rpm

Step 4: Install JDK 8

     sudo yum install -y jdk-8u141-linux-x64.rpm

Step 5: Verify oracle JDK version

     java -version

Installing JRE 1.8

   sudo yum install java-1.8.0

change the Java version

  sudo alternatives --config java

Answer 4

check Java current version

java -version

install Java 1.8

sudo yum install java-1.8.0

change the Java version

sudo alternatives --config java