Tickets :: Comment on [#12486] Can't download attachments over ActiveSync

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Comment	>>> This has definitely worked in the past, could it be due to the >>> devices now being on 14.1 instead of 12.1 that they are requested >>> differently? >> >> Not likely, but you can test this yourself by setting the supported >> version level in the config to 12.1. >> >> There was a bug recently fixed that was causing attachments to ALWAYS >> be truncated regardless of what the client requested. It's possible >> you weren't hitting on your issue because the size was never larger >> than 1MB. >> >> Your logs show that a request for the data is successfully received, >> parsed, the server successfully finds the requested data, prepares it >> in the correct format and begins to stream it to the client. It's >> after this last step that your server dies - during the operation >> that reads a chunk of data from the attachment data stream and sends >> it over the php output stream to the client. You can tell this >> because of the "[stream]" value printed as the last successful log >> entry in each request. >> >> What version of PHP are you running? > > 5.3.3 from CentOS repos. Michael S has already said I should upgrade > it. At the moment though (until now) I have no major functional > issues in Horde running 5.3.3, so have not had to... > > I have tried different sizes with pdfs. > > * 740KB - succeeds. iOS automatically downloads it when you open the email. > > * 785KB - fails. iOS tries to auto download, but it silently fails. > No Apache crash either. It appears to try a couple of times to get it > too. > > * 1000KB - fails, same as 785KB > > * 1100KB - fails as per 1000KB, but added iOS "Cannot download > attachment". No Apache crash. > > * 3.5MB - have to manually tap to attempt download on iOS. Apache > crashes, and I get "Cannot download attachment". > > One interesting thing: > > With the 785KB file, it tries TWICE, and the second one succeeds > according to AS (different PID): > > 2013-07-25T09:14:06+00:00 INFO: [APPLDLXFT5X3DFJ2] Handling > ITEMOPERATIONS command. > 2013-07-25T09:14:06+00:00 DEBUG: [9302] I <ItemOperations:ItemOperations> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] I <ItemOperations:Fetch> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] I <ItemOperations:Store> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] I Mailbox > 2013-07-25T09:14:06+00:00 DEBUG: [9302] I </ItemOperations:Store> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] I <AirSyncBase:FileReference> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] I INBOX:51699:1.2 > 2013-07-25T09:14:06+00:00 DEBUG: [9302] I </AirSyncBase:FileReference> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] I </ItemOperations:Fetch> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] I </ItemOperations:ItemOperations> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] O <ItemOperations:ItemOperations> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] O <ItemOperations:Status> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] O 1 > 2013-07-25T09:14:06+00:00 DEBUG: [9302] O </ItemOperations:Status> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] O <ItemOperations:Response> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] O <ItemOperations:Fetch> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] O <ItemOperations:Status> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] O 1 > 2013-07-25T09:14:06+00:00 DEBUG: [9302] O </ItemOperations:Status> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] O <AirSyncBase:FileReference> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] O INBOX:51699:1.2 > 2013-07-25T09:14:06+00:00 DEBUG: [9302] O </AirSyncBase:FileReference> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] O <ItemOperations:Properties> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] O <AirSyncBase:ContentType> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] O application/pdf > 2013-07-25T09:14:06+00:00 DEBUG: [9302] O </AirSyncBase:ContentType> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] O <ItemOperations:Data> > 2013-07-25T09:14:06+00:00 DEBUG: [9302] O [STREAM] > 2013-07-25T09:14:06+00:00 INFO: [10216] > Horde_Core_ActiveSync_Driver::authenticate() attempt for simon > 2013-07-25T09:14:06+00:00 DEBUG: [10216] ITEMOPERATIONS request > received for user simon > 2013-07-25T09:14:06+00:00 INFO: [10216] Device entry exists for > APPLDLXFT5X3DFJ2, updating userAgent and version. > 2013-07-25T09:14:06+00:00 INFO: [10216] Request being handled for > device: APPLDLXFT5X3DFJ2 Supporting protocol version: 14.1 > 2013-07-25T09:14:06+00:00 INFO: [APPLDLXFT5X3DFJ2] Handling > ITEMOPERATIONS command. > 2013-07-25T09:14:06+00:00 DEBUG: [10216] I <ItemOperations:ItemOperations> > 2013-07-25T09:14:06+00:00 DEBUG: [10216] I <ItemOperations:Fetch> > 2013-07-25T09:14:06+00:00 DEBUG: [10216] I <ItemOperations:Store> > 2013-07-25T09:14:06+00:00 DEBUG: [10216] I Mailbox > 2013-07-25T09:14:06+00:00 DEBUG: [10216] I </ItemOperations:Store> > 2013-07-25T09:14:06+00:00 DEBUG: [10216] I <AirSyncBase:FileReference> > 2013-07-25T09:14:06+00:00 DEBUG: [10216] I INBOX:51699:1.2 > 2013-07-25T09:14:06+00:00 DEBUG: [10216] I </AirSyncBase:FileReference> > 2013-07-25T09:14:06+00:00 DEBUG: [10216] I </ItemOperations:Fetch> > 2013-07-25T09:14:06+00:00 DEBUG: [10216] I </ItemOperations:ItemOperations> > 2013-07-25T09:14:06+00:00 DEBUG: [10216] O <ItemOperations:ItemOperations> > 2013-07-25T09:14:06+00:00 DEBUG: [10216] O <ItemOperations:Status> > 2013-07-25T09:14:06+00:00 DEBUG: [10216] O 1 > 2013-07-25T09:14:06+00:00 DEBUG: [10216] O </ItemOperations:Status> > 2013-07-25T09:14:07+00:00 DEBUG: [10216] O <ItemOperations:Response> > 2013-07-25T09:14:07+00:00 DEBUG: [10216] O <ItemOperations:Fetch> > 2013-07-25T09:14:07+00:00 DEBUG: [10216] O <ItemOperations:Status> > 2013-07-25T09:14:07+00:00 DEBUG: [10216] O 1 > 2013-07-25T09:14:07+00:00 DEBUG: [10216] O </ItemOperations:Status> > 2013-07-25T09:14:07+00:00 DEBUG: [10216] O <AirSyncBase:FileReference> > 2013-07-25T09:14:07+00:00 DEBUG: [10216] O INBOX:51699:1.2 > 2013-07-25T09:14:07+00:00 DEBUG: [10216] O </AirSyncBase:FileReference> > 2013-07-25T09:14:07+00:00 DEBUG: [10216] O <ItemOperations:Properties> > 2013-07-25T09:14:07+00:00 DEBUG: [10216] O <AirSyncBase:ContentType> > 2013-07-25T09:14:07+00:00 DEBUG: [10216] O application/pdf > 2013-07-25T09:14:07+00:00 DEBUG: [10216] O </AirSyncBase:ContentType> > 2013-07-25T09:14:07+00:00 DEBUG: [10216] O <ItemOperations:Data> > 2013-07-25T09:14:07+00:00 DEBUG: [10216] O [STREAM] > 2013-07-25T09:14:15+00:00 DEBUG: [10216] O </ItemOperations:Data> > 2013-07-25T09:14:15+00:00 DEBUG: [10216] O <ItemOperations:Total> > 2013-07-25T09:14:15+00:00 DEBUG: [10216] O 803031 > 2013-07-25T09:14:15+00:00 DEBUG: [10216] O </ItemOperations:Total> > 2013-07-25T09:14:15+00:00 DEBUG: [10216] O <ItemOperations:Range> > 2013-07-25T09:14:15+00:00 DEBUG: [10216] O 0-803031 > 2013-07-25T09:14:15+00:00 DEBUG: [10216] O </ItemOperations:Range> > 2013-07-25T09:14:15+00:00 DEBUG: [10216] O </ItemOperations:Properties> > 2013-07-25T09:14:15+00:00 DEBUG: [10216] O </ItemOperations:Fetch> > 2013-07-25T09:14:15+00:00 DEBUG: [10216] O </ItemOperations:Response> > 2013-07-25T09:14:15+00:00 DEBUG: [10216] O </ItemOperations:ItemOperations> > > But it appears the iPad is hanging on for the first one that fails. > > If I turn php output buffering ON then the iPad instantly appears to > be downloading the attachment when tapped on, but it stops short of > the full size, and the attachment won't open (although it is > displaying as fully downloaded. E.g. AS device log for a 2MB pdf, > only one (apparently successful) STREAM: > > 2013-07-25T09:49:56+00:00 INFO: [APPLDLXFT5X3DFJ2] Handling > ITEMOPERATIONS command. > 2013-07-25T09:49:56+00:00 DEBUG: [8373] I <ItemOperations:ItemOperations> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] I <ItemOperations:Fetch> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] I <ItemOperations:Store> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] I Mailbox > 2013-07-25T09:49:56+00:00 DEBUG: [8373] I </ItemOperations:Store> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] I <AirSyncBase:FileReference> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] I INBOX:51704:1.2 > 2013-07-25T09:49:56+00:00 DEBUG: [8373] I </AirSyncBase:FileReference> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] I </ItemOperations:Fetch> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] I </ItemOperations:ItemOperations> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O <ItemOperations:ItemOperations> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O <ItemOperations:Status> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O 1 > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O </ItemOperations:Status> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O <ItemOperations:Response> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O <ItemOperations:Fetch> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O <ItemOperations:Status> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O 1 > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O </ItemOperations:Status> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O <AirSyncBase:FileReference> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O INBOX:51704:1.2 > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O </AirSyncBase:FileReference> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O <ItemOperations:Properties> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O <AirSyncBase:ContentType> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O application/pdf > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O </AirSyncBase:ContentType> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O <ItemOperations:Data> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O [STREAM] > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O </ItemOperations:Data> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O <ItemOperations:Total> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O 2284370 > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O </ItemOperations:Total> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O <ItemOperations:Range> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O 0-2284370 > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O </ItemOperations:Range> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O </ItemOperations:Properties> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O </ItemOperations:Fetch> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O </ItemOperations:Response> > 2013-07-25T09:49:56+00:00 DEBUG: [8373] O </ItemOperations:ItemOperations> > > Says it's sent it all, but iPad shows this as an unopenable 694KB file.
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