[FLINK-11336] Flink HA didn't remove ZK metadata

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.8.0
• Component/s: Runtime / Coordination
• Labels: pull-request-available
• Assignee: Till Rohrmann
• Reporter: shengjk1
• Created: 15/Jan/19 11:58
• Updated: 01/Mar/24 08:24
• Resolved: 05/Mar/19 15:52

Description

Flink HA didn't remove ZK metadata

such as 

go to zk cli  : ls /flinkone

 

i suggest we should delete this metadata when the application  cancel or throw exception

Issue Links

• Blocked: FLINK-34557 When the Flink task ends in application mode, there may be issues with the Znode and HDFS files not being deleted
• is duplicated by: FLINK-10694 ZooKeeperHaServices Cleanup
• is duplicated by: FLINK-6522 Add ZooKeeper cleanup logic to ZooKeeperHaServices
• links to: GitHub Pull Request #7880