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Minecraft servers allow players to play online or via a local area network with other people.

Types of servers[edit | edit source]

See also: Tutorials/Playing on servers

Multiple archetypes of Minecraft servers exist, distinguished by the unique gameplay features, rules, and societal structures which they implement. No two servers are the same, and frequently the line between archetypes is blurred or indistinguishable. Many special types of servers rely on the use of map editors or the creative game mode to build custom maps and the CraftBukkit server software to provide additional features. Some of these servers are more PVP orientated, some involve aspects of Survival, Creative and Adventure mode, some have a built in economy, and some of them contain built in mini games.

Hosting a server[edit | edit source]

There are many tools provided for players to be able to manage and host a server. Note that servers have requirements in order to run efficiently and smoothly.

  • The default multiplayer software is free of charge and is available by Mojang for Windows, Mac OS X and Unix-like systems (Linux, BSD...). See the Minecraft multiplayer server tutorial and Mojang's Minecraft multiplayer server download page for help.
  • Opening a world to LAN provides a server that is only accessible to other people in your local network unless you setup port forwarding on your router. See the setting up a LAN world tutorial for more information.
  • External server clients such as Bukkit, Spigot, and Sponge provide players a way to add plugins to a server. These are generally used for larger servers that run plugins to ensure griefer protection.
  • Rented servers are servers which are hosted externally by another company. These hosted servers are not provided free of charge - the player must rent them on a regular basis.
  • Realms are Mojang's official hosting service which allows a limited amount of players onto a server.

See Tutorials#Servers for tutorials on how to use these programs.

Managing and maintaining a server[edit | edit source]

See also: Tutorials/Server maintenance

Servers are generally managed by administrators and operators. The administrator generally takes responsibility of the server. It may be that the server is running from their machine, or that they simply have jurisdiction over a server. Operators generally assist the administrators to moderate a server, and to prevent unruly players and griefers. Both operators and administrators have access to various commands in order to ensure the smooth running of the server. On a default server, players are assigned as operator or administrator by using the /op <playername> command, or by editing the ops json file (ops.json) in the server directory, then restarting the server.

Kick messages[edit | edit source]

Kick messages are messages that are displayed when an operator kicks the player, or the player has issues connecting to the server.

  • End Of Stream (Client message) – The server has stopped sending data to the client
  • Internal Server – The server is sending unknown information to the client, usually from a server mod
  • Internal exception: Received string length longer than maximum allowed (105>100) – A message the client sent that isn't in the frames of normal messages
  • Internal Server Error – The server generated an exception when handling the client's request.
  • Disconnected - The player disconnected by using the Disconnect button in the Main Menu
  • Illegal characters in chat – The client was denied sending certain characters, such as the § symbol
  • disconnect.spam - The client is sending chat messages too quickly
  • Read timed out – The server can't find the player's connection
  • Bad login – The client is running in offline mode and can't connect to an authenticated server
  • Outdated client (Please use {version}) – The server is running a more recent version of Minecraft then the client is
  • Outdated server (I'm still on {version}) – The client is running a more recent version of Minecraft than the server is
  • You are banned from this server (May be followed by Reason: {reason} and/or Your ban will be removed on {date}) – Self-explanatory, the client is banned and will remain banned until pardoned by an admin
  • You have been IP banned. - The client's IP has been banned.
  • Kicked by an operator. - The client has been disconnected using the kick command.
  • Flying is not enabled on this server - The client tried to fly for longer than 5 seconds in Survival or Adventure mode
  • Attempting to attack an invalid entity - ??, Happens when a client tries to hit themselves (using mods)
  • Illegal stance - ??, Happens when a client is extremely high or low
  • Illegal position - The client is beyond X/Z: ±30,000,000 (±32,000,000 in 1.6.4 and lower.)
  • You have died. Game over, man, it's game over! - The client is dead but tried to join in Hardcore mode.
  • You have been idle for too long! - The client was idle for a longer time than allowed.
  • Out of memory! - This only happens when your memory is 100%, or if one traveled past X/Z: ±34,359,738,368 in Beta 1.7.3 or lower (see Far Lands). (It shows it up on the F3 Debug screen)

Please note that the kick command can disconnect clients with custom message.

See also[edit | edit source]

External links[edit | edit source]