MQTT Connector (Source and Sink) for Confluent Platform

The Kafka Connect MQTT connector is used to integrate with existing MQTT servers.

Install the MQTT Connector

The MQTT connector is compatible with Confluent Platform from version 4.1 (and later). Prior versions do not work with this connector.

You can install this connector by using the Confluent Hub client (recommended) or you can manually download the ZIP file.

Install the connector using Confluent Hub

Prerequisite
Confluent Hub Client must be installed. This is installed by default with Confluent Enterprise.

Navigate to your Confluent Platform installation directory and run the following command to install the latest (latest) connector version. The connector must be installed on every machine where Connect will run.

confluent-hub install confluentinc/kafka-connect-mqtt:latest

You can install a specific version by replacing latest with a version number. For example:

confluent-hub install confluentinc/kafka-connect-mqtt:1.1.0-preview

Install the connector manually

Download and extract the ZIP file for your connector and then follow the manual connector installation instructions.

License

You can use this connector for a 30-day trial period without a license key.

After 30 days, this connector is available under a Confluent enterprise license. Confluent issues enterprise license keys to subscribers, along with providing enterprise-level support for Confluent Platform and your connectors. If you are a subscriber, please contact Confluent Support at support@confluent.io for more information.

See Confluent Platform license for license properties and License topic configuration and License topic configuration for information about the license topic.

Configuration Properties

For a complete list of configuration properties for the source connector, see MQTT Source Connector Configuration Properties.

For a complete list of configuration properties for the sink connector, see MQTT Sink Connector Configuration Properties.

Note

For an example of how to get Kafka Connect connected to Confluent Cloud, see Distributed Cluster in Connect Kafka Connect to Confluent Cloud.