[FLINK-9358] Closing of unestablished RM connections can cause NPE

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 1.5.0, 1.6.0
• Fix Version/s: 1.5.0
• Component/s: Runtime / Coordination
• Labels: flip-6
• Assignee: Till Rohrmann
• Reporter: Till Rohrmann
• Created: 14/May/18 11:02
• Updated: 15/May/18 07:56
• Resolved: 15/May/18 07:56

Description

When closing an unestablished RM connection, a NPE is thrown. The reason is that we try to unmonitor a non-existing heartbeat target.

Issue Links

• links to: GitHub Pull Request #6011