To Install Apache Maven and Java 8 on your EC2 instance

https://docs.aws.amazon.com/neptune/latest/userguide/iam-auth-connect-prerq.html

Prerequisites on Amazon Linux EC2

https://docs.aws.amazon.com/neptune/latest/userguide/iam-auth-connect-prerq.html

  1. Connect to your Amazon EC2 instance with an SSH client.

2. Install Apache Maven on your EC2 instance. First, enter the following to add a repository with a Maven package.

sudo wget https://repos.fedorapeople.org/repos/dchen/apache-maven/epel-apache-maven.repo -O /etc/yum.repos.d/epel-apache-maven.repo

3. Enter the following to set the version number for the packages.

sudo sed -i s/\$releasever/6/g /etc/yum.repos.d/epel-apache-maven.repo

Then You can yum to install Maven.

sudo yum install -y apache-maven

4. The Gremlin libraries require Java 8. Enter the following to install Java 8 on your EC2 instance.

sudo yum install java-1.8.0-devel

5. Enter the following to set Java 8 as the default runtime on your EC2 instance.

sudo /usr/sbin/alternatives --config java

When prompted, enter the number for Java 8.

6. Enter the following to set Java 8 as the default compiler on your EC2 instance.

sudo /usr/sbin/alternatives --config javac

When prompted, enter the number for Java 8.

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