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https://issues.apache.org/jira/browse/IGNITE-13753?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexey Goncharuk reassigned IGNITE-13753:
-----------------------------------------
Assignee: Alexey Goncharuk
> Non-thread-safe collection is used for the list of registered MBeans in
> JmxMetricExporterSpi
> --------------------------------------------------------------------------------------------
>
> Key: IGNITE-13753
> URL: https://issues.apache.org/jira/browse/IGNITE-13753
> Project: Ignite
> Issue Type: Bug
> Reporter: Alexey Goncharuk
> Assignee: Alexey Goncharuk
> Priority: Major
>
> {{MetricManager}} registry creation and remove listeners can be invoked
> concurrently (the only synchronization is via {{map.computeIfAbsent}} which
> provides key-level granularity.
> As a result, some of the beans are lost and I get an occasional assertion on
> {code}
> boolean rmv = mBeans.remove(mbeanName);
> assert rmv;
> {code}
> Changing the collection to a synchronized list should suffice.
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