file upload, blobstore...billing?

[Soren Aalto]

I've been planning to put something on appengine

for ages, and finally got as far as deploying the

Gaelyk template app today...

Now, I recall from ages ago that appengine

provided it's own nice file upload facility that

uses the blobstore API -- and there seems to be

some sample code in the template app.

However, when I try and run it, it doesn't work

and I get an exception in the logs saying

that the blobstore API is disabled until I

enable billing for the app.

Is this so?  Do I have to use Apache commons

FileUpload or something instead to upload

files?

--
Soren Aalto
Director: ICT
University of Zululand

[Guillaume Laforge]

Hi Soren,

If you want to use the blobstore, then you definitely have to enable billing.

But enabling billing doesn't mean you actually have to pay anything.

Unless of course your application is very popular and you're going above some quota.

That said... for file uploads, I don't know if Apache Commons FileUpload works on App Engine.

It definitely won't work in a mode where you'd use temporary files (since you can't create files on App Engine), that said, perhaps it may work with their streaming API or something like that.

Please tell us if you go that way and try that, I'd be interested in knowing how it goes.

Anyhow, you'll have to store the file you're uploading somehow... and the question is then where and how.

Guillaume

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--
Guillaume Laforge
Groovy Project Manager
Head of Groovy Development at SpringSource
http://www.springsource.com/g2one

[Tomas Lin]

You need to use streaming support if you're going the Apache Commons route -

http://mrhaki.blogspot.com/2009/11/add-file-upload-support-to-groovlets-in.html

But you still need a place to store them since there is no filesystem.

[Jeremy Brown]

Yeah, you don't have to pay anything. You have to enable billing, give them your credit card, and enable a standard max payment per week of $14. But, if you then wait 10 minutes or so, you can adjust your maximum billling per week to be $0. You still get 1GB of blob storage. So that is probably plenty of space to test your app. I've done this with two different apps and it works fine.

Jeremy

[Vinny]

Yeah, I've enabled billing myself a while back and noticed that you
could also get 3 "always on" for $0.30/day a day which I'm taking
advantage of.
--
biz: http://www.linkedin.com/in/vincentstoessel/

[Soren Aalto]

On Wed, Feb 23, 2011 at 4:54 PM, Guillaume Laforge <glaf...@gmail.com> wrote:

Hi Soren,

If you want to use the blobstore, then you definitely have to enable billing.

But enabling billing doesn't mean you actually have to pay anything.

Unless of course your application is very popular and you're going above some quota.

Thanks -- I've enabled billing, but was suprised that it took about 12

hours between the credit card transaction for "$0.00 now" and

billing actually being enabled in the dashboard.  But the blob upload

works now.