Apache ZooKeeper

Clone this repo:
  1. a64dbf5 ZOOKEEPER-4466: Support different watch modes on same path (#1859) by Kezhu Wang · 4 weeks ago master
  2. 89c1831 ZOOKEEPER-4688: Upgrade `cyclonedx-maven-plugin` to 2.7.6 (#1995) by Chris Nauroth · 6 weeks ago
  3. 31e3f1c ZOOKEEPER-4687. Improve SuppressWarnings in KeeperException (#1994) by tison · 7 weeks ago
  4. 3eda8a3 ZOOKEEPER-4682. Make FileSnap.deserialize a static method (#1992) by tison · 9 weeks ago
  5. e50a0bb [ZOOKEEPER-4671] Java classpath should contain libs about metrics providers (#1908) by Guoxiong Li · 2 months 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.