Keeps disconnnecting out of realms ( internal exception java.io.ioexception)

I have played realms for a year now and it has worked really well until now. After december it just keeps disconnecting me everytime i try to play it and says ( internal exception java.io.ioexception) i have literally tried everything what internet can offer to fix this issue. please help i dont want to pay for nothing and more than all i just want to play. Thanks.