[FLINK-27256] Log the root exception in closing the task manager connection

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.16.0
• Component/s: Runtime / Coordination
• Labels: pull-request-available
• Assignee: Yangze Guo
• Reporter: Yangze Guo
• Created: 15/Apr/22 02:22
• Updated: 19/Apr/22 06:24
• Resolved: 19/Apr/22 06:24

Description

When close the task manager connection, we'd better log the root cause of it for debugging.

Issue Links

• links to: GitHub Pull Request #19481