[CURATOR-628] Background operation throw unknown host exception when ConnectionState instance invoke reset method

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.12.0
• Fix Version/s: 4.2.0
• Component/s: Client
• Assignee: Unassigned
• Reporter: ruilonghe
• Created: 13/Jan/22 16:32
• Updated: 15/Jan/22 02:11
• Resolved: 15/Jan/22 02:11

Description

1. CuratorFrameworkImpl class's performBackgroundOperation method will invoke client.getZookeeper() method.
2. when elapsed time exceeds sessionTimeout, ConnectionState will invoke reset().
3. duiring reset, if new Zookeeper() method throw  UnknownHostException in new StaticHostProvider method.
4. then background operation will gave up and client will not retry  connecting any more.

 

Please check the log.