Andrzej Rusin created IMAP-372:
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Summary: Deadlock in AbstractDelegatingMailboxListener under load
Key: IMAP-372
URL: https://issues.apache.org/jira/browse/IMAP-372
Project: James Imap
Issue Type: Bug
Components: Mailbox
Reporter: Andrzej Rusin
Assignee: Eric Charles
In AbstractDelegatingMailboxListener::event, firing the events inside the
synchronized blocks causes a deadlock involving:
lock on HashMapDelegatingMailboxListener::listeners
(synchronized methods) lock on SelectedMailboxImpl
In my example, these 3 methods got interlocked:
AbstractDelegatingMailboxListener.addListener
SelectedMailboxImpl.msn
AbstractDelegatingMailboxListener.removeListener
My idea to fix it is basically to take the for loop on mListeners outside the
synchronized block.
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