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https://issues.apache.org/jira/browse/JAMES-4019?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benoit Tellier closed JAMES-4019.
---------------------------------
Resolution: Fixed
> ReactiveThrottler: possible starvation
> --------------------------------------
>
> Key: JAMES-4019
> URL: https://issues.apache.org/jira/browse/JAMES-4019
> Project: James Server
> Issue Type: Bug
> Affects Versions: 3.8.0, 3.8.1
> Reporter: Benoit Tellier
> Priority: Major
> Fix For: 3.9.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> In production I encountered logs saying there was too much concurrent IMAP
> request.
> From a starting point in time, my IMAP server stopped accepting request and
> could not continue progress. Complete dead lock.
> By careful unit testing of ReactiveThrottler I was able to diagnose it was
> not handling "cancel" correctly and not propagating to items in the queue
> which would cause the deadlock.
> Note: one can avoid this fully by disabling IMAP throttling.
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