You'll need to start a task to do the job, but tasks are limited to
30s. In this case you use the mapreduce api, to read the entire blob
you upload and do what you need.
Here is my Demo GWT project for Blobstore upload:
http://demofileuploadgae.appspot.com/
Here is code for the demo:
Hi,
I have my users upload a zip file full of images (all of which are
less than 1 mb, so theoretically, I should be able to access each
image with one api call.) The problem is that this doesn't work in
practice. I want to use the blobstore to upload the zip file then put
each individual image