Hi split it into small chunks and store each as a blob in datastore entity
Joe

On Sat, Jun 20, 2009 at 1:44 PM, Dolejs Vlastimil <ster...@atlas.cz> wrote:

> Hi,
> I´m trying write wicket application for Google App Engine.
> App Engine has some restrictions, one of them is, that you can´t work with
> filesystem.
> I´m trying upload images with FileUploadField, but i get
> AccessControlException.
> Looking through source code i found there is DiskFileItemFactory, which
> puts large files (over 10kB) to temp files.
> Is there any way to redirect all data storing to memory?
>
> I also found, if I upload small file (smaller than 10kB) -
> DiskFileItemFactory store it in memory, but there is some FileCleaner class
> which cleans temp files and spawns new Thread (which is also restricted in
> App Engine). So it fails again on AccessControlException.
>
> Have you anybody solved problems with file uploads on App Engine?
>
> Thanks

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