How do I troubleshoot publish-subscribe issues in my application?

How do I troubleshoot publish-subscribe issues in my application?

To troubleshoot publish-subscribe issues, start by checking the connection between the publisher and subscriber.

What specific connection issues should I look for?

Look for network connectivity problems, firewall settings, and ensure that the correct ports are open.

What if the messages are not being received?

Check if the subscriber is properly subscribed to the topic and verify that the publisher is sending messages to the correct topic.

Are there any tools that can help me monitor this?

Yes, you can use tools like MQTT Explorer or RabbitMQ Management Plugin to monitor your publish-subscribe system.