Skip to main content

✨ Apache Pulsar 4.0 LTS is here! ✨

Concepts
Quickstart
Ecosystem

Docs Features Use Cases

Welcome
Discussions
Governance
Meet the Community
Contribute
Contribution Guide
Wiki
Issue Tracking

Blog
Books
Case Studies
Articles
Presentations
Events

Client Java 2.6.4

Compression must be applied during deferred schema preparation and enableBatching is enabled #9396

Foundation
Events

License
Thanks
Sponsorship

Security
Privacy
Contact

The Apache Software Foundation

Apache Pulsar is available under the Apache License, version 2.0. Apache Pulsar is an open-source, distributed messaging and streaming platform built for the cloud.

Copyright © 2025 The Apache Software Foundation. All Rights Reserved. Apache, Pulsar, Apache Pulsar, and the Apache feather logo are trademarks or registered trademarks of The Apache Software Foundation.