Java HTTP/2 H2C Sample

Example HTTP/2 server implemented in Java

Deploying the java app

Pre-requisite for Java app

Please follow the install setup for Java first before deploying this java app.

Deploy the app using the manifest file

Deploy the app

export DOMAIN=my.cf.app.domain
cf push -f app-manifest.yml --var domain=$DOMAIN

Deploy the app without the manifest file

cf push --no-route java-http2-test --buildpack java_buildpack
# my.cf.app.domain is used as an example for demonstration purpose
cf map-route java-http2-test my.cf.app.domain --hostname java-http2-test --app-protocol http2

Testing the Java app

curl -v --http2-prior-knowledge https://java-http2-test.my.cf.app.domain 

The app supports HTTP/1.1 and HTTP/2 H2C if requested explicitly, i.e. no connection upgrade.

Building and running on the local machine

1. ./gradlew build
2. PORT=8080 ./gradlew run
3. curl -v --http2-prior-knowledge http://localhost:8080