Hello Peter,
Thank you for submitting this bug and reporting a problem with Thunderbird imap 
refresh.  You made this bug report in 2015 and there have been several versions 
of Ubuntu and Thunderbird since then. 

Could you confirm that this is no longer a problem and that we can close the 
ticket? 
If it is still a problem, are you still interested in finding a solution to 
this bug? 
If you are, could you run the following (only once):
apport-collect 1426174
and upload the updated logs and and any other logs that are relevant for this 
particular issue. 

Thank you again for helping make Ubuntu and Thunderbird better. 
G

** Changed in: thunderbird (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1426174

Title:
  Messaging Menu integration causes endless imap refresh at high message
  counts

Status in thunderbird package in Ubuntu:
  Incomplete

Bug description:
  The Messaging Menu and Unity Launcher integration 1.3.1 extension causes 
Thunderbird 31.4.0 to endlessly refresh imap folders as message count nears 
100000 in a folder.
  This is not a regression.

  Yesterday and again today, Google throttled my imap access because of
  excessive imap requests, which was odd because I only use one machine
  (ie., no other devices) for that account's email.

  My usage is somewhat outside the norm in that I subscribe to several
  high-volume mailings (necessary as a kernel developer) which exceed
  20000 emails a month. These emails are server-filtered and so appear
  to be delivered directly to the subscribed folder.  There are 23
  folders, each for a different mailing list, tagged for update checks
  (via "Folder Properties/General Information/When getting new
  messages..."). These folders are not marked for offline sync and
  storage.

  As of today, I have 90000 emails in a just single folder and that's
  after deleting email prior to Oct 1.

  Yesterday, after Google had disabled my imap access for 2 hrs, I
  reduced the number of cached connections from 5 to 1 (I had
  occasionally seen errors about too many imap connections when starting
  up, at least for the last 2 mos or so).

  For the last several hours, Thunderbird has almost constantly been refreshing 
folders.
  I stopped and restarted Thunderbird several times but the constant refresh 
continued.
  So I captured an imap log (122MB within several minutes) and noted what 
appears to be redundant fetches. For example, 

  -1906690176[7fb48d217580]: considering playing queued 
url:imap://[email protected]@imap.gmail.com:993/select>/mailing 
lists/linux-arm
  -1906690176[7fb48d217580]: creating protocol instance to play queued 
url:imap://[email protected]@imap.gmail.com:993/select>/mailing 
lists/linux-arm
  -1906690176[7fb48d217580]: proposed url = mailing lists/linux-arm folder for 
connection personal/mary has To Wait = FALSE can run = FALSE
  -1906690176[7fb48d217580]: playing queued 
url:imap://[email protected]@imap.gmail.com:993/select>/mailing 
lists/linux-arm
  1766131456[7fb45d732580]: 
547f2800:imap.gmail.com:S-personal/mary:ProcessCurrentURL: entering
  1766131456[7fb45d732580]: 
547f2800:imap.gmail.com:S-personal/mary:ProcessCurrentURL:imap://peter%40hurleysoftware%[email protected]:993/select%3E/mailing%20lists/linux-arm:
  = currentUrl
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-personal/mary:SendData: 
20 select "mailing lists/linux-arm"
  1766131456[7fb45d732580]: ReadNextLine [stream=3ee29f80 nb=83 needmore=0]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: * FLAGS (\Answered \Flagged \Draft 
\Deleted \Seen $Phishing $label1 $NotPhishing)
  1766131456[7fb45d732580]: ReadNextLine [stream=3ee29f80 nb=117 needmore=0]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: * OK [PERMANENTFLAGS (\Answered 
\Flagged \Draft \Deleted \Seen $Phishing $label1 $NotPhishing \*)] Flags 
permitted.
  1766131456[7fb45d732580]: ReadNextLine [stream=3ee29f80 nb=36 needmore=0]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: * OK [UIDVALIDITY 220] UIDs valid.
  1766131456[7fb45d732580]: ReadNextLine [stream=3ee29f80 nb=16 needmore=0]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: * 30314 EXISTS
  1766131456[7fb45d732580]: ReadNextLine [stream=3ee29f80 nb=12 needmore=0]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: * 0 RECENT
  1766131456[7fb45d732580]: ReadNextLine [stream=3ee29f80 nb=42 needmore=0]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: * OK [UIDNEXT 30319] Predicted next 
UID.
  1766131456[7fb45d732580]: ReadNextLine [stream=3ee29f80 nb=31 needmore=0]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: * OK [HIGHESTMODSEQ 16017829]
  1766131456[7fb45d732580]: ReadNextLine [stream=3ee29f80 nb=76 needmore=0]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: 20 OK [READ-WRITE] mailing 
lists/linux-arm selected. (Success) [THROTTLED]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:SendData: 21 getquotaroot "mailing lists/linux-arm"
  1766131456[7fb45d732580]: ReadNextLine [stream=3ee29f80 nb=42 needmore=0]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: * QUOTAROOT "mailing lists/linux-arm" 
""
  1766131456[7fb45d732580]: ReadNextLine [stream=3ee29f80 nb=39 needmore=0]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: * QUOTA "" (STORAGE 1863907 31457280)
  1766131456[7fb45d732580]: ReadNextLine [stream=3ee29f80 nb=27 needmore=0]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: 21 OK Success [THROTTLED]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:SendData: 22 UID fetch 1:* (FLAGS)
  1766131456[7fb45d732580]: ReadNextLine [stream=3ee29f80 nb=33 needmore=0]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: * 1 FETCH (UID 1 FLAGS (\Seen))
  ........
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: * 30312 FETCH (UID 30316 FLAGS ())
  1766131456[7fb45d732580]: ReadNextLine [stream=3ee29f80 nb=36 needmore=0]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: * 30313 FETCH (UID 30317 FLAGS ())
  1766131456[7fb45d732580]: ReadNextLine [stream=3ee29f80 nb=36 needmore=0]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: * 30314 FETCH (UID 30318 FLAGS ())
  1766131456[7fb45d732580]: ReadNextLine [stream=3ee29f80 nb=27 needmore=0]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: 22 OK Success [THROTTLED]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:SendData: 23 UID fetch 30318 (UID X-GM-MSGID X-GM-THRID 
X-GM-LABELS RFC822.SIZE FLAGS BODY.PEEK[HEADER.FIELDS (From To Cc Bcc Subject 
Date Message-ID Priority X-Priority References Newsgroups In-Reply-To 
Content-Type Reply-To X-Mailing-List X-List-Name List-Id)])
  1766131456[7fb45d732580]: ReadNextLine [stream=3ee29f80 nb=334 needmore=0]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: * 30314 FETCH (X-GM-THRID 
1491831819459052696 X-GM-MSGID 1494202989826800755 X-GM-LABELS ("mailing 
lists/dri-devel") UID 30318 RFC822.SIZE 18337 FLAGS () BODY[HEADER.FIELDS (From 
To Cc Bcc Subject Date Message-ID Priority X-Priority References Newsgroups 
In-Reply-To Content-Type Reply-To X-Mailing-List X-List-Name List-Id)] {1075}
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:STREAM:OPEN Size: 18337: Begin Message Download Stream
  ..............
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: )
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:STREAM:CLOSE: Normal Message End Download Stream
  1766131456[7fb45d732580]: ReadNextLine [stream=3ee29f80 nb=27 needmore=0]
  1766131456[7fb45d732580]: 547f2800:imap.gmail.com:S-mailing 
lists/linux-arm:CreateNewLineFromSocket: 23 OK Success [THROTTLED]
  -1906690176[7fb48d217580]: proposed url = mailing lists/linux-arm folder for 
connection mailing lists/linux-arm has To Wait = TRUE can run = FALSE
  -1906690176[7fb48d217580]: queuing 
url:imap://[email protected]@imap.gmail.com:993/fetch>UID>/mailing 
lists/linux-arm>30318?header=filter&emitter=js&fetchCompleteMessage=false

  
  Note that after receiving the "22 OK Success" reply for "22 UID fetch 1:* 
(FLAGS)", TB only fetched UID 30138 (even though there were actually 12 emails 
without the Seen flag) and then after receiving the message successfully, 
queued a url fetch _for the exact same message_!

  The "emitter=js" got me thinking that there was some Javascript
  running, which led me to disabling the only Extension installed,  the
  Messaging Menu and Unity Launcher integration.

  Restarted TB and voila -- no more endless updates.

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