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https://issues.apache.org/jira/browse/FLINK-7069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chesnay Schepler closed FLINK-7069.
-----------------------------------
Resolution: Fixed
1.3: 8bfd1206f36470afd6d23798ec9f19b7e147df4b
1.4: ee789583d3a7a9ee1bda5b9f3b0dd388279b9ad5
> Catch exceptions for each reporter separately
> ---------------------------------------------
>
> Key: FLINK-7069
> URL: https://issues.apache.org/jira/browse/FLINK-7069
> Project: Flink
> Issue Type: Improvement
> Components: Metrics
> Affects Versions: 1.3.1, 1.4.0
> Reporter: Chesnay Schepler
> Assignee: Chesnay Schepler
> Priority: Blocker
> Fix For: 1.4.0, 1.3.2
>
>
> The metric system can be effectively disabled by a reporter that throws
> exceptions whenever it is notified of adding metrics.
> The reason is that the catching of exceptions isn't granular enough, as this
> peace of psude code shows:
> {code}
> addMetric(metric):
> try
> for reporter in reporters:
> reporter.addMetric(metric)
> metricQueryService.addMetric(metric)
> catch (e)
> logError(e)
> {code}
> If a reporter throws an exception we never even attempt the other reporters,
> not notify the MQS which disabled metrics in the WebUI.
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