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https://issues.apache.org/jira/browse/KAFKA-6310?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Charly Molter reassigned KAFKA-6310:
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Assignee: Charly Molter
> ConcurrentModificationException when reporting requests-in-flight in producer
> -----------------------------------------------------------------------------
>
> Key: KAFKA-6310
> URL: https://issues.apache.org/jira/browse/KAFKA-6310
> Project: Kafka
> Issue Type: Bug
> Components: metrics, network
> Affects Versions: 1.0.0
> Reporter: Charly Molter
> Assignee: Charly Molter
>
> We are running in an issue really similar to KAFKA-4950.
> We have a producer running and a MetricsReporter with a background thread
> which publishes these metrics.
> The concurrent exception happens when calling `InFlightRequests.count()` in
> one thread when a connection or disconnection is happening.
> In this case one thread is iterating over the map while another is
> adding/removing from it thus causing the exception.
> We could potentially fix this with a volatile like in KAFKA-4950.
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