Apache ZooKeeper

Clone this repo:
  1. 2cd0c23 ZOOKEEPER-4565: Refine chroot strip to accommodate /zookeeper/ subtree by Kezhu Wang · 3 weeks ago master
  2. 05b2159 ZOOKEEPER-4566: Create tool for recursive snapshot analysis by Szabolcs Bukros · 5 weeks ago
  3. a7e4dea ZOOKEEPER-4573: Encapsulate request bytebuffer in Request by tison · 5 weeks ago
  4. de7c586 ZOOKEEPER-4492: Merge readOnly field into ConnectRequest and Response by tison · 7 weeks ago
  5. b34e171 ZOOKEEPER-4511: Fix flaky test FileTxnSnapLogMetricsTest.testFileTxnSnapLogMetrics by Kezhu Wang · 7 weeks ago

Apache ZooKeeper GitHub Actions CI Travis CI Maven Central License

For the latest information about Apache ZooKeeper, please visit our website at:


and our wiki, at:


Packaging/release artifacts

Either downloaded from https://zookeeper.apache.org/releases.html or found in zookeeper-assembly/target directory after building the project with maven.


    Contains all the source files which can be built by running:
    mvn clean install

    To generate an aggregated apidocs for zookeeper-server and zookeeper-jute:
    mvn javadoc:aggregate
    (generated files will be at target/site/apidocs)


    Contains all the jar files required to run ZooKeeper
    Full documentation can also be found in the docs folder

As of version 3.5.5, the parent, zookeeper and zookeeper-jute artifacts are deployed to the central repository after the release is voted on and approved by the Apache ZooKeeper PMC:


Java 8

If you are going to compile with Java 1.8, you should use a recent release at u211 or above.


We always welcome new contributors to the project! See How to Contribute for details on how to submit patches as pull requests and other aspects of our contribution workflow.