GAE java.lang.IllegalStateException: Must call one of set*BlobStorage() first

Question

I am trying to upload a file in GAE using the Blobstore API. I am getting the following exception when running the GAE server locally (dev mode):

WARNING: /_         


        

Answer 1

If not using maven but Eclipse with plugin:

REMOVE RUN/DEBUG CONFIGURATION. To create new, simply right click on project and select run/debug As > Web Application