[20:54:33] [Server thread/ERROR]: Could not pass event PlayerJoinEvent to goBrush v2.0

org.bukkit.event.EventException

at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[minecraft_server.jar:git-Spigot-db6de12-18fbb24]

at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[minecraft_server.jar:git-Spigot-db6de12-18fbb24]

at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [minecraft_server.jar:git-Spigot-db6de12-18fbb24]

at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [minecraft_server.jar:git-Spigot-db6de12-18fbb24]

at net.minecraft.server.v1_8_R3.PlayerList.onPlayerJoin(PlayerList.java:298) [minecraft_server.jar:git-Spigot-db6de12-18fbb24]

at net.minecraft.server.v1_8_R3.PlayerList.a(PlayerList.java:157) [minecraft_server.jar:git-Spigot-db6de12-18fbb24]

at net.minecraft.server.v1_8_R3.LoginListener.b(LoginListener.java:144) [minecraft_server.jar:git-Spigot-db6de12-18fbb24]

at net.minecraft.server.v1_8_R3.LoginListener.c(LoginListener.java:54) [minecraft_server.jar:git-Spigot-db6de12-18fbb24]

at net.minecraft.server.v1_8_R3.NetworkManager.a(NetworkManager.java:231) [minecraft_server.jar:git-Spigot-db6de12-18fbb24]

at net.minecraft.server.v1_8_R3.ServerConnection.c(ServerConnection.java:148) [minecraft_server.jar:git-Spigot-db6de12-18fbb24]

at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:814) [minecraft_server.jar:git-Spigot-db6de12-18fbb24]

at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [minecraft_server.jar:git-Spigot-db6de12-18fbb24]

at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [minecraft_server.jar:git-Spigot-db6de12-18fbb24]

at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [minecraft_server.jar:git-Spigot-db6de12-18fbb24]

at java.lang.Thread.run(Thread.java:748) [?:1.8.0_232]

Caused by: java.awt.AWTError: Can't connect to X11 window server using ':1' as the value of the DISPLAY variable.

at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method) ~[?:1.8.0_232]

at sun.awt.X11GraphicsEnvironment.access$200(X11GraphicsEnvironment.java:65) ~[?:1.8.0_232]

at sun.awt.X11GraphicsEnvironment$1.run(X11GraphicsEnvironment.java:115) ~[?:1.8.0_232]

at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_232]

at sun.awt.X11GraphicsEnvironment.<clinit>(X11GraphicsEnvironment.java:74) ~[?:1.8.0_232]

at java.lang.Class.forName0(Native Method) ~[?:1.8.0_232]

at java.lang.Class.forName(Class.java:264) ~[?:1.8.0_232]

at java.awt.GraphicsEnvironment.createGE(GraphicsEnvironment.java:103) ~[?:1.8.0_232]

at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:82) ~[?:1.8.0_232]

at java.awt.image.BufferedImage.createGraphics(BufferedImage.java:1181) ~[?:1.8.0_232]

at gc.arcaniax.gobrush.object.Brush.<init>(Brush.java:39) ~[?:?]

at gc.arcaniax.gobrush.object.BrushPlayer.<init>(BrushPlayer.java:38) ~[?:?]

at gc.arcaniax.gobrush.Session.addBrushPlayer(Session.java:142) ~[?:?]

at gc.arcaniax.gobrush.listener.PlayerJoinListener.onPlayerJoinEvent(PlayerJoinListener.java:27) ~[?:?]

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_232]

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_232]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_232]

at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_232]

at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[minecraft_server.jar:git-Spigot-db6de12-18fbb24]

... 14 more