ECDHE cipher suites not supported on OpenJDK 8 installed on EC2 Linux machine

Question

When starting jetty-distribution-9.3.0.v20150612 with openjdk 1.8.0_51 running on an EC2 Amazon Linux machine, is prints that all configured ECDHE

Answer 1

Try installing the JCE Unlimited Strength Jurisdiction Policy Files (these should help with your higher bit ciphers)

Also note, in the link you provided about java 8 cipher protocol support says

Cipher suites that use Elliptic Curve Cryptography (ECDSA, ECDH, ECDHE, ECDH_anon) require a JCE cryptographic provider ...

Did you install such a provider on your Java 8 VM?