[06:33:03] [Server thread/INFO]: Starting minecraft server version 1.12.2
[06:33:46] [Server thread/INFO]: Loading properties
[06:33:46] [Server thread/INFO]: Default game type: SURVIVAL
[06:33:46] [Server thread/INFO]: Generating keypair
[06:33:46] [Server thread/INFO]: Starting Minecraft server on *:49585
[06:33:47] [Server thread/INFO]: Using epoll channel type
[06:33:47] [Server thread/WARN]: **** SERVER IS RUNNING IN OFFLINE/INSECURE MODE!
[06:33:47] [Server thread/WARN]: The server will make no attempt to authenticate usernames. Beware.
[06:33:47] [Server thread/WARN]: While this makes the game possible to play without internet access, it also opens up the ability for hackers to connect with any username they choose.
[06:33:47] [Server thread/WARN]: To change this, set "online-mode" to "true" in the server.properties file.
[06:34:07] [Server thread/WARN]: PriceRange(-4, -8) invalid, -8 smaller than -4
[06:34:19] [Server thread/INFO]: Preparing level "world"