[JAMES-3722] IMAP QRESYNC issues

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.7.0
• Component/s: IMAPServer
• Assignee: Unassigned
• Reporter: Benoit Tellier
• Created: 04/Mar/22 10:31
• Updated: 22/Mar/22 02:04
• Resolved: 22/Mar/22 02:04

Description

When using evolution MUA (evolution in debug mode logs the full IMAP exchange which is convenient) and QRESYNC is enabled, for one mailbox of the account an error is encountered. Evolution complains the response was truncated...

Here is the exchange:

[imapx:I] I/O: 'I00104 SELECT Spam (QRESYNC (203407991 88 2:37 (1,10,28 2,11,29)))'
[imapx:I] I/O: '* FLAGS (\Answered \Deleted \Draft \Flagged \Seen Junk NonJunk $Forwarded)'
[imapx:I] I/O: '* 36 EXISTS'
[imapx:I] I/O: '* 0 RECENT'
[imapx:I] I/O: '* OK [UIDVALIDITY 203407991] UIDs valid'
[imapx:I] I/O: '* OK [UNSEEN 1] MailboxMessage 1 is first unseen'
[imapx:I] I/O: '* OK [PERMANENTFLAGS (\Answered \Deleted \Draft \Flagged \Seen Junk NonJunk $Forwarded \*)] Limited'
[imapx:I] I/O: '* OK [HIGHESTMODSEQ 124] Highest'
[imapx:I] I/O: '* OK [UIDNEXT 38] Predicted next UID'
[imapx:I] I/O: '* VANISHED (EARLIER) '
[imapx:I] I/O: ''

You can see there is no 'OK' response.

Evolution is then unable to open the mailbox.

Reproduce with a unit test, debug.

While this bug was detected when triaging the Netty 4 pull request, we succeeded to reproduce it on Netty 3 as well.

Issue Links

• links to: GitHub Pull Request #909