unexpected answer: 31 lockers.

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Hello
I got this error message

imaplib.abort: command: LIST => unexpected response: '31 locker'

the 31 locker is coming from cyrus just after a LIST command, like
showed in the tcpdump bellow.

The python program is a single treaded script that send emails and
then search for them in multiples mailbox. I login as master, make a
list of all mailbox, and then search each of
them for a "Subject:" matching the id string I sent in the email.
When 2 of these program run at the same time (this time it was from 2
different host) I get this error.

I think the locker refers the berkley db.

Any idea to avoid this ?

cyrus-imapd-2.2.12


HERE is the tcpdump, look a the end

22:23:23.105259 IP box17.asxnet.loc.47347 > fc6-eg.asxnet.loc.imap: S
1722089540:1722089540(0) win 5840 <mss 1460,sackOK,timestamp 109340382
0,nop,wscale 5>
22:23:23.105286 IP fc6-eg.asxnet.loc.imap > box17.asxnet.loc.47347: S
711349363:711349363(0) ack 1722089541 win 5792 <mss
1460,sackOK,timestamp 175020211 109340382,nop,wscale 5>
22:23:23.105700 IP box17.asxnet.loc.47347 > fc6-eg.asxnet.loc.imap: .
ack 1 win 183 <nop,nop,timestamp 109340382 175020211>
22:23:23.116460 IP fc6-eg.asxnet.loc.imap > box17.asxnet.loc.47347: P
1:58(57) ack 1 win 181 <nop,nop,timestamp 175020214 109340382>
* OK fc6-eg.asxnet.loc Cyrus IMAP4 v2.2.12 server ready..
22:23:23.117195 IP box17.asxnet.loc.47347 > fc6-eg.asxnet.loc.imap: .
ack 58 win 183 <nop,nop,timestamp 109340384 175020214>
22:23:23.117798 IP box17.asxnet.loc.47347 > fc6-eg.asxnet.loc.imap: P
1:19(18) ack 58 win 183 <nop,nop,timestamp 109340384 175020214>
EKDA0 CAPABILITY..
22:23:23.117812 IP fc6-eg.asxnet.loc.imap > box17.asxnet.loc.47347: .
ack 19 win 181 <nop,nop,timestamp 175020214 109340384>
22:23:23.121513 IP fc6-eg.asxnet.loc.imap > box17.asxnet.loc.47347: P
58:292(234) ack 19 win 181 <nop,nop,timestamp 175020214 109340384>
* CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ MAILBOX-REFERRALS
NAMESPACE UIDPLUS ID NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND
BINARY SORT THREAD=ORDEREDSUBJECT THREAD=REFERENCES ANNOTATEMORE IDLE
STARTTLS..
EKDA0 OK Completed..
22:23:23.122806 IP box17.asxnet.loc.47347 > fc6-eg.asxnet.loc.imap: P
19:50(31) ack 292 win 216 <nop,nop,timestamp 109340386 175020214>
EKDA1 LOGIN manager "foobar"..
22:23:23.155985 IP fc6-eg.asxnet.loc.imap > box17.asxnet.loc.47347: P
292:317(25) ack 50 win 181 <nop,nop,timestamp 175020224 109340386>
EKDA1 OK User logged in..
22:23:23.157240 IP box17.asxnet.loc.47347 > fc6-eg.asxnet.loc.imap: P
50:67(17) ack 317 win 216 <nop,nop,timestamp 109340393 175020224>
EKDA2 LIST "" *..
22:23:23.171070 IP fc6-eg.asxnet.loc.imap > box17.asxnet.loc.47347: P
317:328(11) ack 67 win 181 <nop,nop,timestamp 175020226 109340393>
31 lockers.
22:23:23.175567 IP fc6-eg.asxnet.loc.imap > box17.asxnet.loc.47347: .
328:3224(2896) ack 67 win 181 <nop,nop,timestamp 175020229 109340393>
* LIST (\HasNoChildren) "/" "user/admin.aa.loc@xxxxxx"..
* LIST (\HasNoChildren) "/" "user/catchall.aa.loc@xxxxxx"..
....

-- 
--
Alain Spineux
aspineux gmail com
May the sources be with you
----
Cyrus Home Page: http://cyrusimap.web.cmu.edu/
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