Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
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

Arrow left icon
Product type Paperback
Published in Dec 2018
Publisher Packt
ISBN-13 9781788997829
Length 186 pages
Edition 1st Edition
Languages
Tools
Arrow right icon
Author (1):
Arrow left icon
Raúl Estrada Raúl Estrada
Author Profile Icon Raúl Estrada
Raúl Estrada
Arrow right icon
View More author details
Toc

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...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime