IllegalArgumentException: URI scheme is not "file"

[aaaaaa2493]

Example of submissions:
https://stepik.org/submissions/624474/292561475
https://stepik.org/submissions/624474/292556701
https://stepik.org/submissions/597626/263972202
https://stepik.org/submissions/624474/292556373
https://stepik.org/submissions/624473/292551994
https://stepik.org/submissions/625273/291514290
https://stepik.org/submissions/624422/312586827
https://stepik.org/submissions/624422/312585599