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https://issues.apache.org/jira/browse/FLINK-38102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18059188#comment-18059188
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David Radley commented on FLINK-38102:
--------------------------------------
I have just hit this locally seeing :
[ERROR] Failures:
[ERROR]
RestApiMetricsCollectorTest.testJmMetricCollection:206->lambda$testJmMetricCollection$5:208->assertMetricValueIs:338
expected: 3
but was: 2
[INFO]
I tried putting a delay between the start of the mini cluster and the rest
call. But this did not solve the issue.
I suspect this issue will be solved when we take in
[https://github.com/apache/flink/pull/27393](https://github.com/apache/flink/pull/27393)
which sorts out a threading issue in this area.
> RestApiMetricsCollectorTest is unstable
> ---------------------------------------
>
> Key: FLINK-38102
> URL: https://issues.apache.org/jira/browse/FLINK-38102
> Project: Flink
> Issue Type: Bug
> Components: Kubernetes Operator
> Affects Versions: kubernetes-operator-1.13.0
> Reporter: Robert Metzger
> Priority: Major
>
> https://github.com/apache/flink-kubernetes-operator/actions/runs/16268410162/job/45929511648#logs
> {code:java}
> 2025-07-14 13:39:16,124 o.a.f.r.b.PermanentBlobCache [INFO ] Shutting down
> BLOB cache
> 2025-07-14 13:39:16,124 o.a.f.r.b.TransientBlobCache [INFO ] Shutting down
> BLOB cache
> 2025-07-14 13:39:16,125 o.a.f.r.b.BlobServer [INFO ] Stopped BLOB
> server at 0.0.0.0:41465
> 2025-07-14 13:39:16,130 o.a.f.r.r.p.PekkoRpcService [INFO ] Stopped Pekko
> RPC service.
> Error: Tests run: 3, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 2.097
> s <<< FAILURE! - in org.apache.flink.autoscaler.RestApiMetricsCollectorTest
> Error:
> org.apache.flink.autoscaler.RestApiMetricsCollectorTest.testJmMetricCollection
> Time elapsed: 1.825 s <<< FAILURE!
> org.opentest4j.AssertionFailedError:
> expected: 3
> but was: 0
> at
> org.apache.flink.autoscaler.RestApiMetricsCollectorTest.assertMetricValueIs(RestApiMetricsCollectorTest.java:319)
> at
> org.apache.flink.autoscaler.RestApiMetricsCollectorTest.lambda$testJmMetricCollection$4(RestApiMetricsCollectorTest.java:189)
> at
> org.apache.flink.autoscaler.RestApiMetricsCollectorTest.testJmMetricCollection(RestApiMetricsCollectorTest.java:187)
> {code}
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