[FLINK-30678] NettyConnectionManagerTest.testManualConfiguration appears to be unstable

• Type: Technical Debt
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.16.0
• Fix Version/s: 1.17.0, 1.16.1
• Component/s: Runtime / Coordination
• Labels: pull-request-available test-stability
• Assignee: Chesnay Schepler
• Reporter: Matthias Pohl
• Created: 13/Jan/23 11:02
• Updated: 19/Jan/23 09:49
• Resolved: 19/Jan/23 09:49

Description

We observe a test instability due to a "Address already in use" issue:

Jan 13 02:29:43 [ERROR] org.apache.flink.runtime.io.network.netty.NettyConnectionManagerTest.testManualConfiguration  Time elapsed: 0.132 s  <<< ERROR!
Jan 13 02:29:43 org.apache.flink.shaded.netty4.io.netty.channel.unix.Errors$NativeIoException: bind(..) failed: Address already in use
Jan 13 02:29:43

https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=44777&view=logs&j=0da23115-68bb-5dcd-192c-bd4c8adebde1&t=24c3384f-1bcb-57b3-224f-51bf973bbee8&l=6744

Issue Links

• links to: GitHub Pull Request #21691