When yml file not found, returns parsing errors
Created by: alexcuesta
Description
When providing an non existing file to the generator, it returns parsing errors instead of a simple message saying "file not found".
It is confusing.
openapi-generator version
0.5.0
OpenAPI declaration file content or url
N/A
Command line used for generation
og unexistingfile.yml markdown
Steps to reproduce
Just run the command.
Related issues/PRs
Suggest a fix/enhancement
What about a message saying: File not found.