[KAFKA-12310] Update zookeeper to 3.5.9

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.4.2, 2.5.2, 2.8.0, 2.7.1, 2.6.2
• Assignee: Unassigned
• Reporter: Ismael Juma
• Created: 07/Feb/21 23:55
• Updated: 08/Feb/21 00:01
• Resolved: 08/Feb/21 00:01

Description

A few important fixes:

• ZOOKEEPER-3829: Zookeeper refuses request after node expansion

• ZOOKEEPER-3842: Rolling scale up of zookeeper cluster does not work with reconfigEnabled=false

• ZOOKEEPER-3830: After add a new node, zookeeper cluster won't commit any proposal if this new node is leader

 

Full release notes: https://zookeeper.apache.org/doc/r3.5.9/releasenotes.html