As we all know, Minecraft (and EMC) has it's bugs. Because of this, there are times when you'll be unable to connect to EMC, and in some cases, any minecraft server. Hopefully this thread will clear up what the actual errors are, and tell you if you can fix it. On the "Multiplayer Servers" screen Can't reach server The server listed is currently offline. You can't fix this. After trying to connect to a server - EMC related Sorry, you can only be connected to one EMC server at a time. You're either logged into another EMC server on the account you're trying to login with or a server crashed when you were logged on. To fix this, either logout of the server you are currently connected to, or wait for the server that you were logged into to reboot. Join for free instant access at: http://Empire.us. Code: 1cEcr3am Either you haven't signed up on this site (if so, join us!) or the main database server is down. If you have already signed up then all you can do is wait. Connection Lost End of stream The server you are trying to connect to is currently offline. Providing it's an EMC server, Justin will be doing his best to fix the error as soon as possible. You have been banned. Reason: ... You've been banned from EMC, therefore you are unable to connect to any EMC server. Goodbye. Internal exception: java.net.SocketTimeoutException: Read timed out The server you are trying to connect to is currently offline. After trying to connect to a server - Minecraft related Error 503 - HTTP no response Minecraft.net is down. This affects every server, even if it's not an EMC one. Mojang need to fix something when you get this error. User not premium Please buy Minecraft. Or, if you've bought it, make sure you're not in offline mode. java.NullException.error You need to either update your Minecraft client or Java. Bad Login You've been disconnecting and reconnecting to a server too fast. Restart your client to fix this. I hope this answers a few questions on occasions. I'll have probably missed a few errors out, if you know any that aren't listed then please post them here and I'll edit them in.
Also, i think there is one more message with a X on the multiplayer screen... i think it's Connection Error. It sometimes happens when the server is full and you try to connect and fail too many times.