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https://issues.apache.org/jira/browse/MAILBOX-349?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tellier Benoit resolved MAILBOX-349.
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Resolution: Fixed
Fix Version/s: 3.2.0
https://github.com/linagora/james-project/pull/1660 solved this.
> Maildir mailbox cache is not thread safe
> ----------------------------------------
>
> Key: MAILBOX-349
> URL: https://issues.apache.org/jira/browse/MAILBOX-349
> Project: James Mailbox
> Issue Type: Bug
> Components: maildir
> Reporter: Tellier Benoit
> Priority: Major
> Fix For: 3.2.0
>
>
> Maildir mailbox cache uses a non-thread-safe list, and concurrent mailbox
> creation can fail even using the JVM path locker.
> Failing test:
> DomainUserMaildirMailboxManagerTest>MailboxManagerTest.creatingConcurrentlyMailboxesWithSameParentShouldNotFail:988
> ยป Execution
> Note that MailboxId computation is based on the cache size, thus is:
> - non persistent (I don't attend to change this)
> - Subject to data races: two mailboxes might have the same ID
> - And a mailbox can be saved several time, thus generating several ids
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