Gwt upload large files

I could just use Amazon S3 for the storage. I suppose that would simplify the storage part, but it would still be nice to keep everything at the same place. Here you have two options: you can use the BlobStore service which has quite nice API for handling up 50megabytes large uploads you can use something like bigblobae which can store virtually unlimited size blobs in the regular appengine datastore. Honza Honza 4, 2 2 gold badges 23 23 silver badges 39 39 bronze badges. Zied Hamdi Zied Hamdi 1, 1 1 gold badge 16 16 silver badges 33 33 bronze badges.

Or when you upload all the chunks you can simply put them together in one blob having one table. Sleem Sleem 99 1 1 silver badge 4 4 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. Google Cloud. Learn more about Collectives on Stack Overflow. The Overflow Blog. Podcast Making Agile work for data science. Stack Gives Back Featured on Meta. New post summary designs on greatest hits now, everywhere else eventually.

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Asked 8 years, 3 months ago. Active 7 years, 2 months ago. Viewed 2k times. Vicky Thakor Vicky Thakor 3, 7 7 gold badges 37 37 silver badges 63 63 bronze badges. Add a comment. Active Oldest Votes. I downloaded source file from git github. Check out : stackoverflow. Just checked it and I'm glad it's working for you. Please mark the answer as accepted so I can start commenting.

Why not just extend the UploadServlet and use your subclass? Perhaps I'm missing something here. It is quite flexible, and as you say in your answer you can override almost behavior extending it to change somethings like dynamically set the max-file size, but notice that the max-size is set fixed because security issues, otherwise anyone could send a malicious request to increase the size of the servlet constrain and ruin your bandwidth or your hosted space quote.

Manolo true. I'd not recommend the client being able to change it, but it depends on the situation. My max upload is checked at Integer. It turned out to be fairly simple to write the code that managed progress and had the side benefit of enabling me to audit things better.