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known_bugs.md

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known Bugs

to be fixed

  • traceId is not always propagated (noticed with orchestrator)

to be refined

  • imagerotate slightly moves image to the right when rotating. very noticeable with higher degrees number.

  • imagegrayscale cannot handle the images it creates itself: grayscale + persist -> grayscale again -> fail

  • Large numbers of images in Mongo need a long time to retrieve, exceeding the nginx proxy time limit of 30s. For example,

      curl  -vv http://3.8.172.78/proxy/imageholder/api/images
  *   Trying 3.8.172.78...
  * TCP_NODELAY set
  * Connected to 3.8.172.78 (3.8.172.78) port 80 (#0)
  > GET /proxy/imageholder/api/images HTTP/1.1
  > Host: 3.8.172.78
  > User-Agent: curl/7.54.0
  > Accept: */*
  >
  < HTTP/1.1 504 Gateway Time-out
  < Server: nginx/1.15.8
  < Date: Sun, 26 May 2019 09:48:49 GMT
  < Content-Type: text/html
  < Content-Length: 167
  < Connection: keep-alive
  <
  <html>
  <head><title>504 Gateway Time-out</title></head>
  <body>
  <center><h1>504 Gateway Time-out</h1></center>
  <hr><center>nginx/1.15.8</center>
  </body>
  </html>
  * Connection #0 to host 3.8.172.78 left intact

embraced

  • rotate cannot handle jpg
  • image size larger than 10mb fails

cannot reproduce

fixed

  • imageresize changes background color to black on some png's (suppose some alpha/transparency layer thingy)