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https://issues.apache.org/jira/browse/FLINK-30183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17638204#comment-17638204
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Chesnay Schepler commented on FLINK-30183:
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We already have a log message for that.
https://github.com/apache/flink/blob/af6eff873a53bbdc85a2b1018140754e65758e3e/flink-runtime/src/main/java/org/apache/flink/runtime/metrics/ReporterSetup.java#L380
> We should add a proper error message in case the deprecated reflection-based
> instantiation of a reporter is triggered
> ---------------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-30183
> URL: https://issues.apache.org/jira/browse/FLINK-30183
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Metrics
> Affects Versions: 1.16.0
> Reporter: Matthias Pohl
> Priority: Major
> Labels: starter
>
> A [user reported an
> issue|https://lists.apache.org/thread/yjv0hof5qqnzq22xcjf3y2v61j48gqh4] with
> the {{PrometheusReporter}} instantiation. The {{NoSuchMethodException}} is
> caused by the {{PromethusReporter}} not having a default constructor
> implemented. Instead, the user should switch to the factory class approach.
> We might want to log a warning if the reflection-based approach still works
> but wrap the {{NoSuchMethodException}} into a
> {{IllegalConfigurationException}} with a proper error message pointing to the
> factory-based approach
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