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JOSM crashes when uploading a job

This happened to me before, but I haven't seen this issue lately, until today. The difference was that I enabled today a new plugin I did not have enabled before - the FastDraw plugin.

Steps that might be reproducible

  1. with the Rovas plugin previously installed, open JOSM and enable a new plugin. Try the FastDraw one if you don't have it enabled.
  2. restart JOSM as instructed
  3. edit map (I did about 25 minutes of editing)
  4. upload the job. Now the dialog box shown below appears, but never goes away. The only option I have is force quite JOSM. The changeset however does get uploaded. Screenshot_2021-08-04_at_17.55.27
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information