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This is the reference connector for EWP

This reference connector demonstrates how a connector can be implemented. It has a built-in database to save persistent information.


  • Java 8
  • Java EE container, such as Tom EE or Glassfish

Development environment

In addition to the requirements for the EWP host, the following are also required

  • Any Java IDE compatible with Java 8 and Maven
  • Node.js
  • Maven 3.3.9
  • Git

Build and run a Docker image.

The Docker API and Maven plugins are not in sync anymore, so you'll have to do it by hand.

$ cp target/ewp-reference-connector-1.0-SNAPSHOT.war docker
$ docker build docker --no-cache -t ewp

Followed by

docker run -p ewp

Locate your browser to


Installation instructions for a EWP Host

tomee.serialization.class.blacklist = -

Installation instructions for a local development environment

If you want to fork the code, or just start to hack on your own connector, and want to use this as a reference, follow these steps.

Go to the source tree.

$ mvn clean install

Lots of output and should be followed by

[INFO] ------------------------------------------------------------------------
[INFO] Total time: 03:33 min
[INFO] Finished at: 2016-09-08T09:21:13+02:00
[INFO] Final Memory: 31M/356M
[INFO] ------------------------------------------------------------------------