Getting Started with Eclipse Ditto™: Your Guide to Digital Twins

Nov 5, 2021 | Programming

Eclipse Ditto™ is an innovative technology in the Internet of Things (IoT) realm, implementing a software pattern known as “digital twins.” A digital twin acts as a virtual counterpart to real-world devices — think of it as a digital echo that mirrors the behavior of items like sensors, smart heating systems, connected cars, and more.

Before You Begin

To dive into the Ditto experience using Docker Compose, make sure you have the following prerequisites:

  • A running Docker daemon.
  • Docker Compose installed on your machine.
  • For single-instance setups, your machine should have:
    • At least 2 CPU cores dedicated to Docker.
    • At least 4 GB of RAM available for Docker.

Starting Up Eclipse Ditto™

Here’s how to kick-start your journey with Ditto:

bash
cd deployment/docker
docker-compose up -d

After executing the above command, keep an eye on the logs:

bash
docker-compose logs -f

Once everything is up and running, you can access it at http://localhost:8080. For a gentle introduction, consider exploring the Hello World guide.

Using Eclipse Ditto™ Explorer UI

If you want to experience the latest explorer UI, visit the live version at Eclipse Ditto Explorer.

Development Guide: Building Ditto Locally

Planning to develop extensions or contribute to Ditto? Follow these steps:

1. Install Required Tools

You’ll need the following:

  • JDK 21
  • Apache Maven 3.9.x
  • A running Docker daemon

2. Building Ditto

For building Ditto, use the following command:

bash
mvn clean install

If you want to skip testing during the build, use:

bash
mvn clean install -DskipTests

3. Build Local Docker Snapshot Images

Next, execute

bash
bash.build-images.sh

If your infrastructure needs a proxy, include the host and port using the following command:

bash
bash.build-images.sh -p 172.17.0.1:3128

4. Starting Ditto

Now, you can start Ditto using local snapshot images:

bash
cd ..deployment/docker
cp dev.env .env
docker-compose up -d

Troubleshooting Common Issues

While working with Eclipse Ditto™, you may encounter a few bumps along the road. Here are some troubleshooting tips:

  • If Docker is not starting: Ensure that your Docker daemon is running. Sometimes, restarting Docker can solve the issue.
  • If you can’t access the localhost URL: Double-check your port configurations and ensure nothing else is occupying port 8080.
  • If Ditto fails to build: Verify that the appropriate versions of JDK and Maven are installed. Misconfigured versions can often lead to build failures.

For more insights, updates, or to collaborate on AI development projects, stay connected with fxis.ai.

Conclusion

By following this guide, you now know how to set up and start working with Eclipse Ditto™. Whether you are exploring its UI or diving into development, Ditto offers a wide array of possibilities in the IoT space.

At fxis.ai, we believe that such advancements are crucial for the future of AI, as they enable more comprehensive and effective solutions. Our team is continually exploring new methodologies to push the envelope in artificial intelligence, ensuring that our clients benefit from the latest technological innovations.

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