Apache ZooKeeper™ release 3.4.5 is now available. This is a bug fix release including 3 bug fixes. Following is a summary of the critical issues fixed in the release.

ZOOKEEPER-1550: ZooKeeperSaslClient does not finish anonymous login on OpenJDK

ZOOKEEPER-1376: zkServer.sh does not correctly check for $SERVER_JVMFLAGS

ZOOKEEPER-1560: Zookeeper client hangs on creation of large nodes.

Stability of 3.4.5

Note that Apache ZooKeeper™ 3.4.5 is marked as the current stable release. This release fixes the disconnect issue (ZOOKEEPER-1550) that unfortunately got introduced in ZooKeeper™ 3.4.4 release.

Acknowledgements

Thanks to everyone who contributed towards the release including our users who reported the bugs in 3.4.5.

Learn More

You can learn more about Zookeeper™ on the Zookeeper™ Wiki, or in the documentation for Zookeeper™ 3.4.5.

Apache ZooKeeper release 3.4.4 is now available. This is a bug fix release including 50 bug fixes. Following is a summary of the critical issues fixed in the release.

ZOOKEEPER-1419 Leader Election never settles for a 5 node cluster

ZOOKEEPER-1489 Data loss after truncate on transaction log

ZOOKEEPER-1412 java client watches inconsistently triggered on reconnect

ZOOKEEPER-1344 ZooKeeper client multi-update command is not considering the
Chroot request

ZOOKEEPER-1496 Ephemeral node not getting cleared even after client has exited

ZOOKEEPER-1437 Client uses session before SASL authentication complete

Stability of 3.4.4

As you might have noticed we have been marking all the previous 3.4.* releases as Alpha and beta. After having a couple of releases out (3.4.0, 3.4.1, 3.4.2, 3.4.3), we in the ZooKeeper community have decided to upgrade 3.4.4 as a stable release.

Acknowledgements

Thanks to everyone who contributed towards the release including our users who reported the bugs in 3.4.4.