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https://issues.apache.org/jira/browse/STORM-3748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aaron Gresch resolved STORM-3748.
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Fix Version/s: 2.3.0
Resolution: Fixed
> prevent concurrent modification when fetching v2 metrics
> --------------------------------------------------------
>
> Key: STORM-3748
> URL: https://issues.apache.org/jira/browse/STORM-3748
> Project: Apache Storm
> Issue Type: Bug
> Reporter: Aaron Gresch
> Assignee: Aaron Gresch
> Priority: Major
> Fix For: 2.3.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> a user reported a ConcurrentModificationException when retrieving metric
> names in
> StormMetricRegistry getMetricNameMap().
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