Hi Brian,

There is a blobstore sample using slim3:
http://slim3demo.appspot.com/blobstore/

Yasuo Higa

On Fri, Aug 26, 2011 at 9:37 PM, Brian <brian...@gmail.com> wrote:
> Adam --
>
> How were you able to modify the post header?  I'm experiencing the
> same issue and am using the slim3 mvc framework.
>
> Thanks,
>
> Brian
>
> On Jul 14, 10:03 pm, adam <adus...@gmail.com> wrote:
>> I was able to solve this. The parser in production GAE is more
>> sensitive than the one in the development environment, and the one in
>> production provides no useful information to the user about why it
>> fails. This is a known 
>> issue:http://code.google.com/p/googleappengine/issues/detail?id=3273
>> for the bug report.
>>
>> The reason the upload was failing on the server was because one of the
>> form fields was missing a \r\n:
>>
>> --jtmyobpmsbvkwefmrarmjuescosjfuxm
>> Content-Disposition: form-data; name="recording_time"
>>
>> 3
>>
>> is correct, whereas
>>
>> --jtmyobpmsbvkwefmrarmjuescosjfuxm
>> Content-Disposition: form-data; name="recording_time"
>> 3
>>
>> is not. The latter succeeds in the development environment, whereas it
>> fails in production GAE. It took a couple hours of debugging to get to
>> this conclusion -- it would be nice if GAE blobstore reported POST
>> parsing errors in some way.
>>
>> Adam
>>
>> On Jul 14, 12:54 pm, adam <adus...@gmail.com> wrote:
>>
>>
>>
>>
>>
>>
>>
>> > Just a bit more data: it's clear to me that the upload URL isn't being
>> > caught by the WSGIApplication on the server. I know this because when
>> > I insert a catch-all url path pattern, the upload POST request hits
>> > that handler instead of the BlobstoreUploadHandler. My WSGIApplication
>> > is instantiated like this:
>>
>> > application = webapp.WSGIApplication(
>> >     [
>> >         ('/', MainPage),
>> >         ('/upload', UploadHandler),
>> >         ('/upload_key/([^/]+)', UploadKeyHandler)],
>> >     debug=True)
>>
>> > Again, POST requests to URLs generated by
>> > blobstore.create_upload_url('/upload') are not hitting UploadHandler.
>>
>> > Thanks again,
>> > Adam
>>
>> > On Jul 14, 12:50 pm, adam <adus...@gmail.com> wrote:
>>
>> > > Hi, I have an app that allows me upload to the blobstore locally but
>> > > fails on the server. I get an upload url using
>> > > blobstore.create_upload_url('/upload'), just like the example provided
>> > > by google.
>>
>> > > When running the app locally, this works. However, when I run it on
>> > > GAE, I get a 503; seehttp://grab.by/axFo.
>>
>> > > In case it helps the engineers to debug, here's the URL:
>>
>> > >http://www.recordmp3.org/_ah/upload/AMmfu6bsVT68mSvZqDM85D324uLxM39c-...
>>
>> > > Thank you,
>> > > Adam
>
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