Oops, I did not even catch this one. But I'm way below 1MB with the files I store/serve.
On Wed, May 19, 2010 at 2:24 AM, Guss <[email protected]> wrote: > hmm.. > well, i just looked again in the blobstore api documentation, and i > see this: > > under Introducing the Blobstore: > An app can read a Blobstore value a portion at a time using an API > call. The size of the portion can be up to the maximum size of an API > return value. This size is a little less than 1 megabyte, represented > by the constant > com.google.appengine.api.blobstore.BlobstoreService.MAX_BLOB_FETCH_SIZE > in Java. > > under Quotas and Limits: > maximum size of Blobstore data that can be read by the app with one > API call 1 megabyte > > i already known about this limitation but didn't relate it to my > issue!!!! :( > > > > On May 19, 2:59 am, Guss <[email protected]> wrote: > > ok.. > > for all the people out there with this question open... > > after 3 days of testing and pulling my hair the answer is that it is > > possible to send the response size to the client, and it will work in > > the simplest way, > > just set the content-length header by using the method > > setContentLength. > > > > so why it didn't work for me all this time? > > the answer is simple (and annoying), google will overwrite it and > > instead will add the "Transfer-Encoding:chunked" header instead when > > the file is bigger than > > 1MB!!!!!!! > > > > i always tested it with a file which is around 5MB and that why it > > didn't work. > > > > for testing it, i used this code: > > > > public class showBlob extends HttpServlet { > > private final BlobstoreService blobstoreService = > > BlobstoreServiceFactory.getBlobstoreService(); > > private final BlobInfoFactory blobInfoFactory = new > > BlobInfoFactory(DatastoreServiceFactory.getDatastoreService()); > > > > @Override > > protected void doGet(HttpServletRequest request, > HttpServletResponse > > response) > > throws IOException { > > BlobKey blobKey = new > BlobKey(request.getParameter("blob-key")); > > BlobInfo blobInfo = > blobInfoFactory.loadBlobInfo(blobKey); > > response.setContentLength(new > Long(blobInfo.getSize()).intValue()); > > response.setHeader("content-type", > blobInfo.getContentType()); > > response.setHeader("content-disposition", "attachment; > filename=" + > > blobInfo.getFilename()); > > blobstoreService.serve(blobKey, response); > > } > > > > } > > > > and i uploaded a ziped file in the following sizes: > > 200K - worked > > 500K - worked > > 800K - worked > > 950K - worked > > 1M - failed (probably the file is a bit bigger than 1MB...) > > > > Hope this helped any one... > > and thanks to Jaroslav for being so patient and helpful... > > > > Oded. > > > > On May 16, 8:33 pm, Guss <[email protected]> wrote: > > > > > > > > > are you using resp.setHeader or resp.setContentLength ? > > > > > Thanks for all the help!!! > > > > > On May 16, 12:48 am, Jaroslav Záruba <[email protected]> > > > wrote: > > > > > > Works for me: > http://jzaruba-1.appspot.com/blob?key=AMIfv97ojheagz9LYcvrv86ROmXLdu4... > > > > Are you sure you send actual number in your header? > > > > > > On Sat, May 15, 2010 at 11:35 PM, Guss <[email protected]> > wrote: > > > > > the code is working on the development environment, but not after i > > > > > deploy it to gae > > > > > > > On May 16, 12:17 am, Guss <[email protected]> wrote: > > > > > > hmmm > > > > > > not working.. > > > > > > i don't know why.. > > > > > > > > i run this code: > > > > > > public void doGet(HttpServletRequest req, > HttpServletResponse > > > > > resp) > > > > > > throws IOException { > > > > > > > > BlobstoreService blobstoreService = > > > > > > BlobstoreServiceFactory.getBlobstoreService(); > > > > > > > > Iterator<BlobInfo> iterator = new > > > > > > BlobInfoFactory().queryBlobInfos(); > > > > > > > > while(iterator.hasNext()) { > > > > > > BlobInfo b = iterator.next(); > > > > > > if (b.getFilename().equals("myfile.exe")) { > > > > > > resp.setHeader("content-type", > > > > > b.getContentType()); > > > > > > resp.setHeader("content-disposition", > > > > > "attachment; filename=" + > > > > > > b.getFilename()); > > > > > > resp.setHeader("content-length", new > > > > > > Long(b.getSize()).toString()); > > > > > > resp.setContentLength(new > > > > > Long(b.getSize()).intValue()); > > > > > > > blobstoreService.serve(b.getBlobKey(),resp); > > > > > > } > > > > > > } > > > > > > } > > > > > > > > and got this response header (using firebug) > > > > > > HTTP/1.1 200 OK > > > > > > Content-Type: application/x-msdownload > > > > > > Content-Disposition: attachment; filename=myfile.exe > > > > > > Date: Sat, 15 May 2010 21:14:16 GMT > > > > > > Server: Google Frontend > > > > > > Transfer-Encoding:chunked > > > > > > > > On May 15, 10:49 pm, Jaroslav Záruba <[email protected]> > > > > > > wrote: > > > > > > > > > Weird... Maybe it is the non-capitals in the header name? I'm > not sure > > > > > > > whether it shouldn't be rather "Content-Length", instead of > > > > > > > "content-length". Maybe you cold try > > > > > > > response.setContentLength(size) > > > > > > > > > this is exact copy'n'paste from my code: > > > > > > > -- > > > > > > > BlobKey blobKey = new BlobKey(request.getParameter("key")); > > > > > > > > > BlobInfo blobInfo = blobInfoFactory.loadBlobInfo(blobKey); > > > > > > > response.setContentLength(new > Long(blobInfo.getSize()).intValue()); > > > > > > > response.setHeader("content-type", blobInfo.getContentType()); > > > > > > > response.setHeader("content-disposition", "attachment; > filename=" + > > > > > > > blobInfo.getFilename()); > > > > > > > > > blobstoreService.serve(blobKey, response); > > > > > > > -- > > > > > > > ...both Firebug and Live HTTP headers show the header (with > proper > > > > > value)... > > > > > > > > > hope it helps > > > > > > > > > On Sat, May 15, 2010 at 9:00 PM, Guss <[email protected]> > wrote: > > > > > > > > one more thing, > > > > > > > > i used httpfox to check the response header, and > "content-length" > > > > > > > > header is not sent in the response.. > > > > > > > > > > On May 15, 8:28 pm, Jaroslav Záruba < > [email protected]> > > > > > wrote: > > > > > > > > > Hi > > > > > > > > > > > -- > > > > > > > > > BlobInfoFactory blobInfoFactory = new > > > > > > > > > > BlobInfoFactory(DatastoreServiceFactory.getDatastoreService()); > > > > > > > > > BlobInfo blobInfo = blobInfoFactory.loadBlobInfo(blobKey); > > > > > > > > > long blobSize = blobInfo.getSize(); > > > > > > > > > response.setHeader("content-length", new > > > > > Long(blobSize).toString()); > > > > > > > > > -- > > > > > > > > > > > Is this what you mean? > > > > > > > > > > > Regards > > > > > > > > > J. Záruba > > > > > > > > > > > On Sat, May 15, 2010 at 6:38 PM, Guss < > [email protected]> > > > > > wrote: > > > > > > > > > > Hi, > > > > > > > > > > I'm using java in GAE and i recently started using > Blobstore to > > > > > serve > > > > > > > > > > my application download file, the only "issue" that i > have is > > > > > that > > > > > > > > > > when it serves the file > > > > > > > > > > the size is not sent to the browser so it can't estimate > the time > > > > > for > > > > > > > > > > the download to complete... > > > > > > > > > > > > here is the piece of code that i use to serve the file: > > > > > > > > > > BlobstoreService blobstoreService = > > > > > > > > > > BlobstoreServiceFactory.getBlobstoreService(); > > > > > > > > > > > > Iterator<BlobInfo> iterator = new > > > > > > > > > > BlobInfoFactory().queryBlobInfos(); > > > > > > > > > > > > while(iterator.hasNext()) { > > > > > > > > > > BlobInfo b = iterator.next(); > > > > > > > > > > if > (b.getFilename().equals('myfile.exe')) > > > > > > > blobstoreService.serve(b.getBlobKey(),resp); > > > > > > > > > > } > > > > > > > > > > > > is there a way to also send the file size to the browser > while > > > > > serving > > > > > > > > > > the file? > > > > > > > > > > > > thanks, > > > > > > > > > > Oded. > > > > > > > > > > > > -- > > > > > > > > > > You received this message because you are subscribed to > the > > > > > Google > > > > > > > > Groups > > > > > > > > > > "Google App Engine" group. > > > > > > > > > > To post to this group, send email to > > > > > [email protected] > > > > > > > > . > > > > > > > > > > To unsubscribe from this group, send email to > > > > > > > > > > [email protected]<google-appengine%[email protected]><google-appengine%2Bunsubscrib > [email protected]><google-appengine%2Bunsubscrib > > > > > [email protected]><google-appengine%2Bunsubscrib > > > > > > > > [email protected]> > > > > > > > > > > . > > > > > > > > > > For more options, visit this group at > > > > > > > > > >http://groups.google.com/group/google-appengine?hl=en. > > > > > > > > > > > -- > > > > > > > > > You received this message because you are subscribed to the > Google > > > > > Groups > > > > > > > > "Google App Engine" group. > > > > > > > > > To post to this group, send email to > > > > > [email protected]. > > > > > > > > > To unsubscribe from this group, send email to > > > > > > > > [email protected]<google-appengine%[email protected]><google-appengine%2Bunsubscrib > [email protected]><google-appengine%2Bunsubscrib > > > > > [email protected]> > > > > > > > > . > > > > > > > > > For more options, visit this group athttp:// > > > > > > > > groups.google.com/group/google-appengine?hl=en. > > > > > > > > > > -- > > > > > > > > You received this message because you are subscribed to the > Google > > > > > Groups > > > > > > > > "Google App Engine" group. > > > > > > > > To post to this group, send email to > > > > > [email protected]. > > > > > > > > To unsubscribe from this group, send email to > > > > > > > > [email protected]<google-appengine%[email protected]><google-appengine%2Bunsubscrib > [email protected]><google-appengine%2Bunsubscrib > > > > > [email protected]> > > > > > > > > . > > > > > > > > For more options, visit this group at > > > > > > > >http://groups.google.com/group/google-appengine?hl=en. > > > > > > > > > -- > > > > > > > You received this message because you are subscribed to the > Google > > > > > Groups "Google App Engine" group. > > > > > > > To post to this group, send email to > [email protected] > > > > > . > > > > > > > To unsubscribe from this group, send email to > > > > > [email protected]<google-appengine%[email protected]><google-appengine%2Bunsubscrib > [email protected]> > > > > > . > > > > > > > For more options, visit this group athttp:// > > > > > groups.google.com/group/google-appengine?hl=en. > > > > > > > > -- > > > > > > You received this message because you are subscribed to the > Google Groups > > > > > "Google App Engine" group. > > > > > > To post to this group, send email to > [email protected]. > > > > > > To unsubscribe from this group, send email to... > > > > read more » > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-appengine%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. 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