am faf41044: Merge change 3644 into donut

Merge commit 'faf410443f0c2ab2d30a1c8ce90f83157b5e593b'

* commit 'faf410443f0c2ab2d30a1c8ce90f83157b5e593b':
  Print a message to the log when a file can't be opened on the client side.