[I cant join my hamachi server]

so i have a hamachi server i play on with my friends. it was working fine an hour ago but now it doesn't let us join. 

 

if it helps it gets stuck at "Logging in..." and then says "internal exception: java.net.SocketTimeoutException: Read timed out"

[I can do everything except break blocks]

i launch the .bat launch file but it still doesnt work

[I can do everything except break blocks]

in my server i cant seems to break blocks. i oped myself and turned spawn protection to one.  i just don't know what else to do