[FLINK-24213] Deadlock in QueryableState Client

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.14.0, 1.12.6, 1.13.3
• Fix Version/s: 1.14.0, 1.13.3, 1.12.8
• Component/s: Runtime / Queryable State
• Labels: pull-request-available test-stability
• Assignee: Chesnay Schepler
• Reporter: Dawid Wysakowicz
• Created: 08/Sep/21 12:56
• Updated: 15/Dec/21 01:40
• Resolved: 10/Sep/21 05:30

Description

https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=23750&view=logs&j=d44f43ce-542c-597d-bf94-b0718c71e5e8&t=ed165f3f-d0f6-524b-5279-86f8ee7d0e2d&l=15476

 Found one Java-level deadlock:
Sep 08 11:12:50 =============================
Sep 08 11:12:50 "Flink Test Client Event Loop Thread 0":
Sep 08 11:12:50   waiting to lock monitor 0x00007f4e380309c8 (object 0x0000000086b2cd50, a java.lang.Object),
Sep 08 11:12:50   which is held by "main"
Sep 08 11:12:50 "main":
Sep 08 11:12:50   waiting to lock monitor 0x00007f4ea4004068 (object 0x0000000086b2cf50, a java.lang.Object),
Sep 08 11:12:50   which is held by "Flink Test Client Event Loop Thread 0"

Issue Links

• is caused by: FLINK-9925 ClientTest.testSimpleRequests fails on Travis
• links to: GitHub Pull Request #17212