Original comment by Byungkwan Jung (Bitbucket: bkjung_nearthlab).
changed title from "#146. thumbnails error when opening localhost:8080 web page" to "thumbnails Error (404): "Not found" when opening localhost:8080 web page"
Original comment by Louise Poubel (Bitbucket: chapulina, GitHub: chapulina).
Could you check if you have these files under your http/client/assets folder? It looks like not all thumbnails were generated when you ran ./deploy.sh -m.
Original report (archived issue) by Byungkwan Jung (Bitbucket: bkjung_nearthlab).
Lots of Error (404): "Not found" occur when I open web page localhost:8080
Following is the error message