I've tried on Windows 7 in IE 7, 8, and 9 with a 50MB file and cannot reproduce the problem either. Anthony
On Monday, June 20, 2011 2:53:42 PM UTC-4, Massimo Di Pierro wrote: > I just tried with chrome and osx and I cannot reproduce the problem (I > tried with a 166MB file). > > TIm, who made rocket, also claims he tried this extensively on windows > and cannot reproduce the problem. > > I do not doubt you experience this issue. In order to try isolate > better what may be causing it... is there anybody else having this > problem with large files download? > > Massimo > > On Jun 20, 2:53 am, Stefan Scholl <[email protected]> wrote: > > Sever OS: Linux (remote, behind Apache 2.2), Windows XP (local, > > direct) > > Client OS: Windows XP > > Browser: Firefox 4, Internet Explorer 8 > > Rocket version: 1.2.2 > > > > All combinations break the download for big files (33 MiB), > > regardless of chunk_size or server. > > > > Only Internet Explorer 8 (all servers) had problems with small > > files (160 KiB), before increasing chunk_size for the streamed > > download. > > > > Made the changes to rocket.py (1.2.2), restarted web2py, and the > > download was still broken. > > > > By the way: One of the new examples (Dog and owner registration, > > with picture upload/download) doesn't use streamed download. It > > reads the whole file and sends it. This method doesn't work for > > big files, too. > > > > Massimo Di Pierro <[email protected]> wrote: > > > > > > > > > > > > > > > > > > > > > Can you make a list of combinations > > > > > browser name, version, server os, web server > > > FF, 4, Windows 7, Rocket > > > ... > > > > > for which you experienced the problem? > > > > > can you also try the following: > > > 1) in the rocket.py code replace > > > > > 'HTTP/1.1 ' with 'HTTP/1.0 ' > > > > > and replace > > > > > environ['SERVER_PROTOCOL'] = request['protocol'] > > > > > with > > > > > environ['SERVER_PROTOCOL'] = "1.0" > > > > > Looks like acts as if the protocol of response is the same as the > > > request but always declare the protocol of the response to be 1.1 even > > > if the request is 1.0. This may result in keep-alive connections > > > ignored by the browser. Perhaps this is part of the problem? > > > > > On Jun 17, 1:35 pm, Stefan Scholl <[email protected]> wrote: > > >> To Massimo and the list/group: > > > > >> You asked on Reddit if the only constant is the browser. No it > > >> isn't. But it was the browser which had the problem first, with > > >> smaller files. > > > > >> For smaller files it was enough to raise the chunk_size. IE8 is > > >> slow, maybe this is the reason? > > > > >> Firefox 4 failed when I tried to download a 33 MiB file remotely. > > >> IE8 failed for anything above 64 KiB on localhost. > > > > >> It's almost as if Rocket is so fast because it sends without > > >> regard for any receiver. Direct (localhost) or behind a proxy > > >> (Apache 2.2 on the remote Linux server). > > >> Don't know how this could happen. HTTP isn't ZModem. ;-) > > > > >> Stefan Scholl <[email protected]> wrote: > > >> > I have a parameters_XXX.py file from the normal web2py (with > > >> > rocket) and used the same IP and port with anyserver.py+Tornado > > >> > (and the other one stopped, of course). > > > > >> > Tested with web2py 1.91.6. Were there any changes regarding this? > > > > >> > (I'm still very reluctant to upgrade this project.) > > > > >> > Massimo Di Pierro <[email protected]> wrote: > > >> >> Try this: > > > > >> >> python > > >> >>>>> from gluon.main import save_password > > >> >>>>> save_password(raw_input('admin password: '),XXX) > > > > >> >> This will create a parameters_XXX.py file. It must be in the main > > >> >> web2py folder. Caveats, the admin interface is disabled if you are > not > > >> >> form localhost and you are not using https. > > >> >> Hope this helps. Hope to have you back on the mailing list. > > > > >> >> On Jun 17, 8:43 am, Stefan Scholl <[email protected]> wrote: > > >> >>> Now I can't access the admin interface, because the password > > >> >>> isn't set. (It isn't reading the stored password.) > > > > >> >>> Stefan Scholl <[email protected]> wrote: > > >> >>> > OK, it was Rocket. > > > > >> >>> > Tested it with the old web2py and Tornado 1.2.1 via anyserver.py > > > >> >>> > and the download is OK. > > > > >> >>> > Stefan Scholl <[email protected]> wrote: > > >> >>> >> The higher value for chunk_size didn't work with a 33 MiB file. > Even > > >> >>> >> in Firefox 4. > > >> >>> >> So I tried 1.96.4 (Rocket 1.2.2) on Windows XP. > > > > >> >>> >> Made a new and simple app (dtest). The download there uses > > >> >>> >> "response.download(request,db)" as well. > > > > >> >>> >> 1 simple table: db.define_table('stuff', Field('file', > 'upload')) > > > > >> >>> >> Upload of the 33 MiB file via db admin, content listed on > > >> >>> >>http://127.0.0.1:8001/dtest/default/data/select/stuff(default > > >> >>> >> function "data" with "return dict(form=crud())". Download with > > >> >>> >> Internet Explorer 8 (after removing the tag that switches to > "Chrome > > >> >>> >> Frame", to have a realistic test like "normal" users). > > > > >> >>> >> Download was broken. A few KiB were missing. This was on > localhost. > > >> >>> >> Remote tests have even worse results. > > > > >> >>> >> On 6 Mai, 17:51, Massimo Di Pierro <[email protected]> > wrote: > > >> >>> >>> Can you try 1.95.1 > > > > >> >>> >>> On May 6, 6:03 am, Stefan Scholl <[email protected]> wrote: > > > > > >> >>> >>> > The classicdownloadfunction: > > > > >> >>> >>> > defdownload(): > > >> >>> >>> > return response.download(request, db) > > > > >> >>> >>> > I'm developing on localhost (127.0.0.1, no SSL) and one > strange thing > > >> >>> >>> > happened: Downloads in IE8 (Windows XP) were all > corrupt/broken if > > >> >>> >>> > they weren't below 64KiB in size. Very easy to see with > large images. > > > > >> >>> >>> > Using a higher value for the argument 'chunk_size' solves > this > > >> >>> >>> > problem, up to this new maximum. > > > > >> >>> >>> > web2py 1.91.6 > > > > >> -- > > >> Web (en):http://www.no-spoon.de/-*-Web (de):http://www.frell.de/ > > >> <!--[if IE 6]><script>for(x in document.open);</script><![endif]--> > > > > -- > > Web (en):http://www.no-spoon.de/-*- Web (de):http://www.frell.de/ > > <!--[if IE 6]><script>for(x in document.open);</script><![endif]-->
