Exceptions, and how best to retry when a connection is reset?

Question

I have some code which connects to a URL to download a file, and then performs some processing on it. However, sometimes I am receiving the error java.net.SocketException:

Answer 1

AOP and Java annotations should help. I would recommend a read-made mechanism from jcabi-aspects (I'm a developer):

@RetryOnFailure(attempts = 3, delay = 5)
public String load(URL url) {
  return url.openConnection().getContent();
}

You may also try RetryFunc from Cactoos.