Server issue: io.netty.channel.AbstractChannel$AnnotatedConnectionException: Conection time out: no further information:

This has been an Issue for about a year and I do not know what to do and I don't know if it's my firewall I doubt it. I have tried many ways to fix. It won't let me play on any server. Here is the Error. BEGIN"io.netty.channel.AbstractChannel$AnnotatedConnectionException: Conection time out: no further information:"END.