What libraries are there to implement FastCGI in Java?

Question

Java

In some cases, a Java application will run behind Nginx. I would like to issue it in the form of a FastCGI module.
I tried the official library from fastcgi.com , I had to fix it manually to just run it, and then it just exited on the first request. I found it corrected by Yandex. But it was enough for one request, then the same garbage (
In general, what would it take to take quite a bit, is it even possible without multithreading?