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Posted to server-dev@james.apache.org by "Tellier Benoit (JIRA)" <ji...@apache.org> on 2018/08/16 03:16:00 UTC
[jira] [Created] (MAILBOX-349) Maildir mailbox cache is not thread
safe
Tellier Benoit created MAILBOX-349:
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Summary: 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
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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