Tuesday, June 30, 2020

GWT SingleUploader gets stuck

When I upload a file using SingleUploader or MultiUploader, the file gets uploaded but the uploader's progress bar gets stuck at 0% for a very, very long time.

When I try to upload a second file in the same session, I get this message:
There is already an active upload, try later. 

This is my code:

final SingleUploader uploader = new SingleUploader();

 Any advice here?

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