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https://issues.apache.org/jira/browse/FLINK-38151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ruan Hang updated FLINK-38151:
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Fix Version/s: 2.3.0
(was: 2.2.0)
> Class MetricFetcherImpl's method fetchMetrics failed log level adjustment to
> error
> ----------------------------------------------------------------------------------
>
> Key: FLINK-38151
> URL: https://issues.apache.org/jira/browse/FLINK-38151
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Metrics, Runtime / REST
> Affects Versions: 2.0.0, 1.17.2, 1.18.1, 1.19.3, 1.20.2
> Reporter: felixzh
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.3.0
>
> Attachments: image-2025-07-29-10-41-35-778.png
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> when there is a jar conflict，the webUI keeps loading without any direct error
> message in the log, but Flink job is running normally. This causing
> significant obstacles to identifying problems during troubleshooting.
> Strongly recommend adjusting the failed log level to ERROR!!
> !image-2025-07-29-10-41-35-778.png!
> Only debug log as follows:
> DEBUG org.apache.flink.runtime.rest.handler.legacy.metrics.MetricFetcherImpl
> [] - Failed to fetch the TaskManager's metrics.
> java.util.concurrent.CompletionException:
> java.util.concurrent.ExecutionException: Boxed Error
> Caused by: java.lang.NoSuchMethodError:
> org.apache.commons.math3.stat.descriptive.rank.Percentile.withNaNStrategy(Lorg/apache/commons/math3/stat/ranking/NaNStrategy;)Lorg/apache/commons/math3/stat/descriptive/rank/Percentile;
>
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