Can't Login in a Server (Supposedly Already Online) Snapshot Issue

I can't make login in a server. I was playing this morning there, and i fall of the server (Bad Internet), then whend i tryed to reconect i couldn't. But i saw that i was supposedly online (In the list of players next to ping). And since then im supposedly online, and i can't conect the server. Whend i try to, the folowing message apears: " Failed to connect to the server
Internal Exception : io.netty.handler.timeout.ReadTimeoutException"