Zsombor, Follow the implementation outlined in this excellent blog post. It explains how to upload to blobstore from within your app.
Good luck, Michael Weinberg http://jeremyblythe.blogspot.com/2010/10/manipulating-images-in-blobstore.html On Nov 28, 8:08 am, Zsombor <gzsom...@gmail.com> wrote: > Hello, > > I would like to modify the content of the BlobStore from inside my > webapp. I mean, the user uploads a picture into blobstore, after in > the background the app should create thumbnails, and stores that > thumbnails too in the BlobStore. > I figured out, that from my 'servlet', I can call > BlobstoreServiceFactory.getBlobstoreService().createUploadUrl("/ > internal/uploadBlob/"+id); > and to the acquired URL I can post the content - with proper multi- > part encoding. It works in the development mode, however in the live > system, it always fails with a generic server error message. I'm sure > that my code doesn't gets called - nothing refers to /internal/ > uploadBlob/ in the request log. From the response headers, it seems > that the upload server responding : > {server=[Upload Server Built on Nov 11 2010 15:36:58 (1289518618)], > date=[Sun, 28 Nov 2010 12:54:40 GMT], pragma=[no-cache], expires=[Fri, > 01 Jan 1990 00:00:00 GMT], cache-control=[no-cache, no-store, must- > revalidate], content-length=[456], content-type=[text/html], x-google- > cache-control=[remote-fetch], via=[HTTP/1.1 GWA]} > > Is there anybody, how noticed similar behaviour? Or better, know how > to do it correctly ? > > BR, > Zsombor -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
