Errno :: ECONNREFUSED：连接被拒绝 - 连接（2）为“bucketname.s3-eu-west-1.amazonaws.com”

I have a default file that upon signup of a new account, gets send to an amazon bucket. That worked. But suddenly, without changing any code, all my tests that use this method, fail with the error:I have a default file that upon signup of a new