[FLINK-33568] SinkV2MetricsITCase.testCommitterMetrics fails with NullPointerException

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.19.0
• Fix Version/s: 1.19.0
• Component/s: Runtime / Metrics
• Labels: pull-request-available
• Assignee: Peter Vary
• Reporter: Matthias Pohl
• Created: 16/Nov/23 08:36
• Updated: 21/Nov/23 08:34
• Resolved: 20/Nov/23 18:19

Description

Nov 16 01:48:57 01:48:57.537 [ERROR] Tests run: 2, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 6.023 s <<< FAILURE! - in org.apache.flink.test.streaming.runtime.SinkV2MetricsITCase
Nov 16 01:48:57 01:48:57.538 [ERROR] org.apache.flink.test.streaming.runtime.SinkV2MetricsITCase.testCommitterMetrics  Time elapsed: 0.745 s  <<< ERROR!
Nov 16 01:48:57 java.lang.NullPointerException
Nov 16 01:48:57 	at org.apache.flink.test.streaming.runtime.SinkV2MetricsITCase.assertSinkCommitterMetrics(SinkV2MetricsITCase.java:254)
Nov 16 01:48:57 	at org.apache.flink.test.streaming.runtime.SinkV2MetricsITCase.testCommitterMetrics(SinkV2MetricsITCase.java:153)
Nov 16 01:48:57 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[...]

https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=54602&view=logs&j=8fd9202e-fd17-5b26-353c-ac1ff76c8f28&t=ea7cf968-e585-52cb-e0fc-f48de023a7ca&l=8546
https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=54602&view=logs&j=baf26b34-3c6a-54e8-f93f-cf269b32f802&t=8c9d126d-57d2-5a9e-a8c8-ff53f7b35cd9&l=8605

Issue Links

• is caused by: FLINK-25857 Add committer metrics to track the status of committables
• links to: GitHub Pull Request #23737