[FLINK-22340] Concurrent access to ThresholdMeter may lead to NPE

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.13.0
• Fix Version/s: 1.13.0
• Component/s: Runtime / Coordination
• Labels: pull-request-available
• Assignee: Xintong Song
• Reporter: Xintong Song
• Created: 19/Apr/21 05:31
• Updated: 28/Aug/21 11:14
• Resolved: 19/Apr/21 11:37

Description

It is reported on github [1] that NPE is thrown from ThreasholdMeter, which is likely caused by concurrent accesses.

[1] https://github.com/apache/flink/commit/b9e576fb845b817d804da3d68471ff8a4723dcf3#commitcomment-49681105

Issue Links

• links to: GitHub Pull Request #9
• links to: GitHub Pull Request #15662