[sync] ActiveSync attachments not downloading, disappearing on devices

Michael J Rubinsky mrubinsk at horde.org
Thu Dec 4 09:29:51 UTC 2014 

Quoting Michael J Rubinsky <mrubinsk at horde.org>:

> Quoting Andreas Schneider <as at schneider-pc.ch>:
>
>> ----- Nachricht von Volker Then <horde40 at volkerthen.com> ---------
>>   Datum: Wed, 26 Nov 2014 17:26:27 +0100
>>     Von: Volker Then <horde40 at volkerthen.com>
>> Betreff: Re: [sync] ActiveSync attachments not downloading, disappearing on
>> devices
>>      An: sync at lists.horde.org
>>
>>> Zitat von Michael J Rubinsky <mrubinsk at horde.org>:
>>>
>>>> Quoting Volker Then <horde40 at volkerthen.com>:
>>>>
>>>>> Zitat von Michael J Rubinsky <mrubinsk at horde.org>:
>>>>>
>>>>>> Quoting Volker Then <horde40 at volkerthen.com>:
>>>>>>
>>>>>>> Zitat von Michael J Rubinsky <mrubinsk at horde.org>:
>>>>>>>
>>>>>>>> Quoting Volker Then <horde40 at volkerthen.com>:
>>>>>>>>
>>>>>>>>> Zitat von Volker Then <horde40 at volkerthen.com>:
>>>>>>>>>
>>>>>>>>>> Zitat von Michael J Rubinsky <mrubinsk at horde.org>:
>>>>>>>>>>
>>>>>>>>>>> Quoting Volker Then <horde40 at volkerthen.com>:
>>>>>>>>>>>
>>>>>>>>>>>> Zitat von Michael J Rubinsky <mrubinsk at horde.org>:
>>>>>>>>>>>>
>>>>>>>>>>>>> Quoting Michael J Rubinsky <mrubinsk at horde.org>:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> Quoting Michael J Rubinsky <mrubinsk at horde.org>:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Quoting Volker Then <horde40 at volkerthen.com>:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Dear list,
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> since a few days there is a problem with ActiveSync on
>>>>>>>>>>>>>>>> certain devices. Some of my users report the following
>>>>>>>>>>>>>>>> issues:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> - Outlook 15: Most attachments (jpgs, pdfs) are not getting
>>>>>>>>>>>>>>>> downloaded. Some get downloaded up to 50%, some others
>>>>>>>>>>>>>>>> aren't visible at all.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> - iOS devices: After tapping on the attachment, it gets
>>>>>>>>>>>>>>>> downloaded and then it's visible for a few milliseconds
>>>>>>>>>>>>>>>> until it disappears totally.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> I keep the horde pear packages up-to-date on an weekly
>>>>>>>>>>>>>>>> basis. Recently there was an update of the ActiveSync
>>>>>>>>>>>>>>>> package. Could this be the problem?
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> In the logfiles (debug and activesync) I see nothing
>> unusual.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> The horde server is running on a Debian squeeze machine,
>>>>>>>>>>>>>>>> PHP 5.3.3-7+squeeze22.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Thanks in advance for any help,
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> *sigh*
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> It seems that actually correctly performing MIME truncation
>>>>>>>>>>>>>>> actually breaks these clients. I give up.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> This was actually my fault.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Should be fixed in Git (fixes in both Core and ActiveSync).
>>>>>>>>>>>>>> Will push a new release after I run/test for a bit more in my
>>>>>>>>>>>>>> personal production.
>>>>>>>>>>>>>
>>>>>>>>>>>>> I pushed the releases for this, as everything seems good.
>>>>>>>>>>>>>
>>>>>>>>>>>>> There is some issue with emails originally containing only
>>>>>>>>>>>>> plaintext leaking mime boundry text that I'm still looking
>>>>>>>>>>>>> into, but I think that's due to some recent changes in
>>>>>>>>>>>>> Horde_Mime since they still occur when the ActiveSync changes
>>>>>>>>>>>>> are backed out.
>>>>>>>>>>>>
>>>>>>>>>>>> Something is wrong with the dependencies:
>>>>>>>>>>>>
>>>>>>>>>>>> horde/Horde_Core requires package "horde/Horde_Mime" (version
>>>>>>>>>>>>> = 2.5.0, version <= 3.0.0alpha1, excluded versions:
>>>>>>>>>>>> 3.0.0alpha1), installed version is 2.4.5
>>>>>>>>>>>
>>>>>>>>>>> I didn't realize Horde_Mime's version requirement was bumped.
>>>>>>>>>>> Pushing a Horde_Mime now.
>>>>>>>>>>
>>>>>>>>>> Hi Mike,
>>>>>>>>>>
>>>>>>>>>> After the recent updates with fixed horde_smtp, there is still
>>>>>>>>>> the problem with ActiveSync on iOS (empty message bodies, not
>>>>>>>>>> attachments being displayed) and Outlook. In the sync log I see
>>>>>>>>>> several error messages (Outlook):
>>>>>>>>>>
>>>>>>>>>> 2014-11-23T20:30:58+01:00 ERR: [19950] Attempting to add a
>>>>>>>>>> collection
>>>>>>>>>>              to the sync cache while requiring a synckey,
>> but no
>>>>>>>>>>              synckey could be found. Most likely a client
>> error in
>>>>>>>>>>              requesting a collection during PING before it
>> has
>>>>>>>>>> issued a
>>>>>>>>>>              SYNC.
>>>>>>>>>>
>>>>>>>>>> 2014-11-23T20:30:58+01:00 ERR: [21584]
>>>>>>>>>> Horde_ActiveSync_Collections::getBackendIdForFolderUid failed
>>>>>>>>>> because folder was not found in cache.
>>>>>>>>>>
>>>>>>>>>> Volker
>>>>>>>>>
>>>>>>>>> After today's ActiveSync update at least iOS is syncing. But I
>>>>>>>>> have still the issue with my Outlook clients (see above).
>>>>>>>>
>>>>>>>> You mean with blank email bodies? Can you provide a sync log?  I
>>>>>>>> wasn't seeing that when I tested before release last night.
>>>>>>>
>>>>>>> The issue with the blank email bodies was on the iOS client. This
>>>>>>> seems to be fixed by now. Outlook stopped syncing at all after the
>>>>>>> recent updates. I sent you the log a few minutes ago.
>>>>>>
>>>>>> It looks like the server side folder cache was removed or corrupted,
>>>>>> but OL is not responding the the '12' status code that tells it to
>>>>>> re-initialize the state. Try removing and recreating the account.
>>>>>
>>>>> Yes, the cache files were removed after I got the message "Cache
>>>>> version changed" after the recent updates. How would I remove and
>>>>> recreate a production account? The user's account is working on his
>>>>> iOS client. Cache files are stored in the local file system, the user
>>>>> backend is ldap.
>>>>
>>>> Sorry, I wasn't clear enough. I'm talking about the sync cache and/or
>>>> client state. These are not related to any other Horde cache. They are
>>>> stored in SQL.
>>>>
>>>> Anyway, if removing the client from Horde's activesync administration
>>>> screen doesn't force OL to reset itself, you can either remove OL's
>>>> local cache file and/or just delete and recreate the account in OL.
>>>
>>> Again some tests with Outlook and ActiveSync. It's still not working
>>> like prior to ActiveSync 2.20.*. The full collection never gets synced,
>>> Outlook retrieves identical ServerEntryIDs multiple times, but in the
>>> client no email appears. When I sync only the last month, some utems got
>>> synced, before the syncing process stops. The Log says, that it found
>>> loads of changes, but they don't get synced. Any progress here? OL sync
>>> was working almost perfectly in the last weeks. Anyone else witnessing
>>> this? (in case you have an up-to-date horde installation)
>>> Volker
>>
>> hi i have the same issue ... updated today morning ... endless outlook 2013
>> sync
>> in the apache.log i found 1000x :
>>
>> mod_fcgid: stderr: PHP Fatal error:  Call to a member function toString()
>> on a non-object in /usr/local/share/pear/Horde/Mime/Part.php on line 1282
>> Mit freundlichen Grüssen
>
>
> I still can't reproduce this. My guess is that it's a broken email  
> message that a previous version of Horde_Mime was able to  
> ignore/deal with. I would need a backtrace from that line in  
> Part.php, and the value of $this->_parts right before that loop to  
> see what Horde_Mime is chocking on.


This should now be fixed in Git, and will be pushed in the next  
release of Horde_ActiveSync, hopefully later today after some other  
bugs are looked at.

-- 
mike
The Horde Project
http://www.horde.org
https://www.facebook.com/hordeproject
https://www.twitter.com/hordeproject
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