sync_client problems

[Eric Cunningham]

-G didn't seem to help, but I tried a "reconstruct -f -r" command 
without having previously deleted all occurrences of the cyrus.* files 
and it was then successful.



On 05/11/2017 01:44 PM, Patrick Boutilier wrote:
> Try a -G with reconstruct?
> 
> -G     Force  re-parsing  of the underlying message (checks GUID 
> correctness).  Reconstruct with -G should fix all possible individual 
> message issues, including corrupted data files.
> 
> 
> On 05/11/2017 02:37 PM, Eric Cunningham wrote:
>> I have to walk this back.  In looking slightly further back in my 
>> logfiles, before every instance of a failure to sync some folder, I 
>> see a common error reported prior to every "bailing out! Bad protocol" 
>> error - "IOERROR: GUID mismatch 
>> /var/spool/cyrus/mail/c/user/cdm-lit/Sent/148."
>>
>> May 11 12:44:09 imap1 sync_client[48590]: IOERROR: GUID mismatch 
>> /var/spool/cyrus/mail/c/user/cdm-lit/Sent/148.
>> May 11 12:44:22 imap1 sync_client[48590]: IOERROR: zero length 
>> response to MAILBOX (end of file reached)
>> May 11 12:44:22 imap1 sync_client[48590]: do_folders(): update failed: 
>> user.cdm-lit.Sent 'Bad protocol'
>> May 11 12:44:22 imap1 sync_client[48590]: sync_mailboxes: doing 1000
>> May 11 12:44:22 imap1 sync_client[48590]: IOERROR: zero length 
>> response to MAILBOXES (end of file reached)
>> May 11 12:44:22 imap1 sync_client[48590]: sync_mailboxes: doing 1000
>> May 11 12:44:22 imap1 sync_client[48590]: IOERROR: zero length 
>> response to MAILBOXES (end of file reached)
>> May 11 12:44:22 imap1 sync_client[48590]: sync_mailboxes: doing 1000
>> May 11 12:44:22 imap1 sync_client[48590]: IOERROR: zero length 
>> response to MAILBOXES (end of file reached)
>> May 11 12:44:22 imap1 sync_client[48590]: sync_mailboxes: doing 1000
>> May 11 12:44:22 imap1 sync_client[48590]: IOERROR: zero length 
>> response to MAILBOXES (end of file reached)
>> May 11 12:44:22 imap1 sync_client[48590]: sync_mailboxes: doing 1000
>> May 11 12:44:22 imap1 sync_client[48590]: IOERROR: zero length 
>> response to MAILBOXES (end of file reached)
>> May 11 12:44:22 imap1 sync_client[48590]: sync_mailboxes: doing 1000
>> May 11 12:44:22 imap1 sync_client[48590]: IOERROR: zero length 
>> response to MAILBOXES (end of file reached)
>> May 11 12:44:22 imap1 sync_client[48590]: IOERROR: zero length 
>> response to MAILBOXES (end of file reached)
>> May 11 12:44:22 imap1 sync_client[48590]: IOERROR: zero length 
>> response to UNMAILBOX (end of file reached)
>> May 11 12:44:22 imap1 sync_client[48590]: folder_delete(): failed: 
>> user.guest-student-coordinator.Trash.Aarflot 'Bad protocol'
>> May 11 12:44:22 imap1 sync_client[48590]: Error in do_sync(): bailing 
>> out! Bad protocol
>> May 11 12:44:22 imap1 sync_client[48590]: Processing sync log file 
>> /var/spool/CyrusDB-Sieve/cyrusdb/sync/log-run failed: Bad protocol
>>
>> When I recontructed this cdm-lit account, it ran successfully on my 
>> master host, but fails on my copy host:
>>
>> [cyrus at imap2 ~]$ reconstruct -f -r user.cdm-lit
>> user.cdm-lit
>> user.cdm-lit.Sea Trail 2013
>> user.cdm-lit.Sent uid 1 found - adding
>> user.cdm-lit.Sent uid 2 found - adding
>> user.cdm-lit.Sent uid 3 found - adding
>> user.cdm-lit.Sent uid 4 found - adding
>> ....
>> user.cdm-lit.Sent uid 146 found - adding
>> user.cdm-lit.Sent uid 147 found - adding
>> user.cdm-lit.Sent uid 148 found - adding
>> fatal error: Internal error: assertion failed: imap/mailbox.c: 2847: 
>> record->size
>>
>> Since I couldn't get a successful reconstruct on this account, I 
>> deleted it and recreated it from my master host.  However, I'm still 
>> unable to get a successful reconstruct with "failed to read index 
>> header" for every subfolder and "fatal error: Internal error: 
>> assertion failed: imap/mailbox.c: 2847: record->size"
>>
>> Any ideas on how to correct this so I can see if I can then get past 
>> the replication error?
>>
>> Thanks!
>>
>> -Eric
>>
>>
>> On 05/11/2017 11:46 AM, Eric Cunningham wrote:
>>> Thanks Bron, but that doesn't seem to work for me, unless I'm missing 
>>> something.
>>>
>>> I ran reconstructs for this account on both my master and copy hosts:
>>>
>>> [cyrus at imap1 ~]$ reconstruct -f -r user.scramer
>>> user.scramer
>>> user.scramer.Archive
>>> user.scramer.Archives
>>> user.scramer.Archives.2004
>>> ...
>>> user.scramer.Trash.IS Networking and Operations
>>> user.scramer.Trash.IS Security
>>> user.scramer.Trash.IS Servers
>>> user.scramer.Trash.IS Staff
>>> user.scramer.Trash.IS Surveys
>>> ...
>>>
>>>
>>> [cyrus at imap2 ~]$ reconstruct -f -r user.scramer
>>> user.scramer
>>> user.scramer.Archive
>>> user.scramer.Archives
>>> user.scramer.Archives.2004
>>> ...
>>> user.scramer.Trash.IS Networking and Operations
>>> user.scramer.Trash.IS Security
>>> user.scramer.Trash.IS Servers
>>> user.scramer.Trash.IS Staff
>>> user.scramer.Trash.IS Surveys
>>> ...
>>>
>>>
>>> I then restart the replication against the log-run file and it again 
>>> fails on a folder that no longer exists in that account:
>>>
>>> ...
>>> May 11 11:40:51 imap1 sync_client[60696]: sync_mailboxes: doing 1000
>>> May 11 11:40:51 imap1 sync_client[60696]: IOERROR: zero length 
>>> response to MAILBOXES (end of file reached)
>>> May 11 11:40:51 imap1 sync_client[60696]: IOERROR: zero length 
>>> response to MAILBOXES (end of file reached)
>>> May 11 11:40:51 imap1 sync_client[60696]: IOERROR: zero length 
>>> response to UNMAILBOX (end of file reached)
>>> May 11 11:40:51 imap1 sync_client[60696]: folder_delete(): failed: 
>>> user.scramer.Trash.IS Software Management 'Bad protocol'
>>> May 11 11:40:51 imap1 sync_client[60696]: Error in do_sync(): bailing 
>>> out! Bad protocol
>>> May 11 11:40:51 imap1 sync_client[60696]: Processing sync log file 
>>> /var/spool/CyrusDB-Sieve/cyrusdb/sync/log-run failed: Bad protocol
>>>
>>>
>>> -Eric
>>>
>>>
>>> On 05/11/2017 02:14 AM, Bron Gondwana wrote:
>>>> Looks like you have a corrupted mailboxes database - if you run a 
>>>> reconstruct at each end then it should be fine.  Replication won't 
>>>> bail for an actually-doesn't-exist mailbox, but it can't fix broken 
>>>> mailboxes, that's what reconstruct is for.
>>>>
>>>> Bron.
>>>>
>>>>
>>>> On Thu, 11 May 2017, at 01:01, Eric Cunningham wrote:
>>>>> Hi list, I'm running cyrus replication on cyrus 2.5.10.  It seems
>>>>> whenever a folder is encountered in log-run that doesn't exist on the
>>>>> client and/or the server, the replication process logs "Error in
>>>>> do_sync(): bailing out! Bad protocol".  Sometimes, it dies completely,
>>>>> other times it restarts at the beginning of the log-run file.  But 
>>>>> when
>>>>> it re-encounters the folder in question, the same failure occurs 
>>>>> and the
>>>>> problem continuously loops until some manual action is taken.  I 
>>>>> have a
>>>>> checker script that attempts to restart a stopped sync but I haven't
>>>>> tried to code it to get past these types of folder errors.  In the
>>>>> meantime, replication effectively stops and the replication log
>>>>> continuously builds in size.  You might imagine my horror at 
>>>>> discovering
>>>>> yesterday that replication of my production server with 1200 accounts
>>>>> had been failing for over 7 weeks unnoticed, generating 9.5 million
>>>>> lines in the replication log files.  I had gotten out of the habit of
>>>>> daily monitoring of replication as it had been running fine and I
>>>>> eventually moved on to other things.  I'm trying to get replication to
>>>>> run through the enormous backlog but am running into more similar 
>>>>> folder
>>>>> issues that cause the process to fail, I make manual fixes, and start
>>>>> the process again.  In my experience with this, reconstruction of the
>>>>> affected folders on the master host and copy host has no effect.
>>>>>
>>>>> Can this otherwise excellent feature be made more robust to work past
>>>>> these folder issues?
>>>>>
>>>>> Here are a couple of examples I've observed thus far of how the 
>>>>> process
>>>>> is failing for me.
>>>>>
>>>>> --------------
>>>>>
>>>>> In this example, the subfolder "Fly America Foreign Travel" no longer
>>>>> existed on the master host but did exist on the copy host.  To resolve
>>>>> this, I had to manually delete that folder from the copy host.
>>>>>
>>>>> May  9 15:17:48 imap1 sync_client[34614]: inefficient replication (8 >
>>>>> 5) user.jtaft.PO.Fly America Foreign Travel
>>>>> May  9 15:17:48 imap1 sync_client[34614]: FULLMAILBOX received NO
>>>>> response: IMAP_MAILBOX_NONEXISTENT No Such Mailbox
>>>>> May  9 15:17:48 imap1 sync_client[34614]: do_folders(): update failed:
>>>>> user.jtaft.PO.Fly America Foreign Travel 'Mailbox does not exist'
>>>>> May  9 15:17:48 imap1 sync_client[34614]: IOERROR: Mailbox does not 
>>>>> exist
>>>>> May  9 15:17:48 imap1 sync_client[34614]: Error in do_sync(): bailing
>>>>> out! Mailbox does not exist
>>>>> May  9 15:17:48 imap1 sync_client[34614]: Processing sync log file
>>>>> /var/spool/CyrusDB-Sieve/cyrusdb/sync/log-run failed: Mailbox does 
>>>>> not exist
>>>>> May  9 15:17:48 imap1 sync_client[34614]: Reprocessing sync log file
>>>>> /var/spool/CyrusDB-Sieve/cyrusdb/sync/log-run
>>>>>
>>>>> --------------
>>>>>
>>>>> In this example, the subfolder "Sohn" did not exist on the master host
>>>>> nor on the copy host.  To resolve, I had to edit log-run and 
>>>>> completely
>>>>> remove all entries for this "Sohn" subfolder.
>>>>>
>>>>> May 10 10:13:26 imap1 sync_client[47011]: IOERROR: zero length 
>>>>> response
>>>>> to MAILBOXES (end of file reached)
>>>>> May 10 10:13:26 imap1 sync_client[47011]: IOERROR: zero length 
>>>>> response
>>>>> to MAILBOXES (end of file reached)
>>>>> May 10 10:13:26 imap1 sync_client[47011]: IOERROR: zero length 
>>>>> response
>>>>> to UNMAILBOX (end of file reached)
>>>>> May 10 10:13:26 imap1 sync_client[47011]: folder_delete(): failed:
>>>>> user.gg-chair.Trash.Sohn 'Bad protocol'
>>>>> May 10 10:13:26 imap1 sync_client[47011]: Error in do_sync(): bailing
>>>>> out! Bad protocol
>>>>> May 10 10:13:26 imap1 sync_client[47011]: Processing sync log file
>>>>> /var/spool/CyrusDB-Sieve/cyrusdb/sync/log-run failed: Bad protocol
>>>>>
>>>>> --------------
>>>>>
>>>>> Often, errors are logged without "bailing out!" and replication
>>>>> continues to run:
>>>>>
>>>>> May 10 10:45:00 imap1 sync_client[87438]: sync_mailboxes: doing 1000
>>>>> May 10 10:45:01 imap1 sync_client[87438]: sync_mailboxes: doing 1000
>>>>> May 10 10:45:24 imap1 sync_client[87438]: IOERROR: GUID mismatch
>>>>> /var/spool/cyrus/mail/c/user/cdm-lit/Sent/148.
>>>>> May 10 10:45:37 imap1 sync_client[87438]: IOERROR: zero length 
>>>>> response
>>>>> to MAILBOX (end of file reached)
>>>>> May 10 10:45:37 imap1 sync_client[87438]: do_folders(): update failed:
>>>>> user.cdm-lit.Sent 'Bad protocol'
>>>>> May 10 10:45:37 imap1 sync_client[87438]: sync_mailboxes: doing 1000
>>>>>
>>>>> --------------
>>>>>
>>>>> Thank you, list!
>>>>>
>>>>> -Eric
>>>>>
>>>>> ----
>>>>> Cyrus Home Page: http://www.cyrusimap.org/
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>>>>
>>>>
>>>
>>
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