kafka-connect-iot-mqtt-connector-example | Things Integration Example = > Apache Kafka + Kafka Connect | Pub Sub library

by kaiwaehner Shell Version: Current License: Apache-2.0

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kandi X-RAY | kafka-connect-iot-mqtt-connector-example Summary

kafka-connect-iot-mqtt-connector-example is a Shell library typically used in Messaging, Pub Sub, Kafka applications. kafka-connect-iot-mqtt-connector-example has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Internet of Things Integration Example => Apache Kafka + Kafka Connect + MQTT Connector + Sensor Data

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kafka-connect-iot-mqtt-connector-example has a low active ecosystem.

It has 138 star(s) with 64 fork(s). There are 12 watchers for this library.

It had no major release in the last 6 months.

There are 2 open issues and 8 have been closed. On average issues are closed in 15 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of kafka-connect-iot-mqtt-connector-example is current.

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kafka-connect-iot-mqtt-connector-example has 0 bugs and 0 code smells.

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kafka-connect-iot-mqtt-connector-example has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

kafka-connect-iot-mqtt-connector-example code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

kafka-connect-iot-mqtt-connector-example is licensed under the Apache-2.0 License. This license is Permissive.

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Installation instructions are not available. Examples and code snippets are available.

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Community Discussions

Trending Discussions on kafka-connect-iot-mqtt-connector-example

MQTT Kafka Source connector : funny byte characters

QUESTION

MQTT Kafka Source connector : funny byte characters

Asked 2018-Dec-18 at 22:48

I am following https://github.com/kaiwaehner/kafka-connect-iot-mqtt-connector-example for connecting Mosquitto and Kafka with MQTT source connector. I am getting the data sent by the Mosquitto Publisher into the Mosquitto Subscriber and the Kafka Consumer. But the key and value field in my ConsumerRecord object of kafka-consumer is having some prepended byte characters. Below are the code snippets and the outputs I'm getting.

mqttPublisher.py

...

ANSWER

Answered 2018-Dec-18 at 22:48

As part of the demo, you're starting a Schema Registry

Start Kafka Connect and dependencies (Kafka, Zookeeper, Schema Registry):

confluent start connect

If you look at the first 5 bytes, you'll see they start with 0, then four more bytes representing an integer.

See the Schema Registry Wire Format and try doing a curl localhost:8081/subjects to see if it lists your topic name for mqtt-key and mqtt-value.

If you didn't want Avro, you would need to configure and edit your Kafka Connect property file to use different Converters, and not use confluent start other than getting Kafka and Zookeeper running

Or if you want Python to deserialize the Avro, you can refer to the confluent-kafka-python repo on Github

Source https://stackoverflow.com/questions/53829678

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