socketexception – Page 2

java.net.SocketException: Connection reset

November 13, 2022 by Tarik

There are several possible causes. The other end has deliberately reset the connection, in a way which I will not document here. It is rare, and generally incorrect, for application software to do this, but it is not unknown for commercial software. More commonly, it is caused by writing to a connection that the other … Read more

No connection could be made because the target machine actively refused it?

September 27, 2022 by Tarik

If this happens always, it literally means that the machine exists but that it has no services listening on the specified port, or there is a firewall stopping you. If it happens occasionally – you used the word “sometimes” – and retrying succeeds, it is likely because the server has a full ‘backlog’. When you … Read more