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Apache Kafka Quick Start Guide

You're reading from   Apache Kafka Quick Start Guide Leverage Apache Kafka 2.0 to simplify real-time data processing for distributed applications

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Product type Paperback
Published in Dec 2018
Publisher Packt
ISBN-13 9781788997829
Length 186 pages
Edition 1st Edition
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Author (1):
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Raúl Estrada Raúl Estrada
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Raúl Estrada
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Table of Contents (10) Chapters Close

Preface 1. Configuring Kafka FREE CHAPTER 2. Message Validation 3. Message Enrichment 4. Serialization 5. Schema Registry 6. Kafka Streams 7. KSQL 8. Kafka Connect 9. Other Books You May Enjoy

Using the Schema Registry

Now, the Schema Registry is running on port 8081. To interact with the Schema Registry, there is a REST API. We can access it with curl. The first step is to register a schema in the Schema Registry. To do so, we have to embed our JSON schema in another JSON object, and we have to escape some special characters and add a payload:

  • At the beginning, we have to add { \"schema\": \"
  • All the double quotation marks (") should be escaped with a backslash (\")
  • At the end, we have to add \" }

Yes, as you can guess, the API has several commands to query the Schema Registry.

Registering a new version of a schema under a – value subject

To register the Avro schema healthcheck...

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