Uploading an image to Google appengine using Robospice with Retrofit
问题 I'm trying to use Robospice with Retrofit to upload an image to my Google appengine blobstore. I can get the upload URL provided by GAE, but when I try to send the URL with the image as a Multipart POST I get an exception: E//RequestRunner.java:134(24689): Thread-3363 An exception occurred during request network execution:null E//RequestRunner.java:134(24689): retrofit.RetrofitError E//RequestRunner.java:134(24689): at retrofit.RestAdapter$RestHandler.invokeRequest(RestAdapter.java:343) E/