这是什么意思

mdzz123

[15:04:07 WARN]: Failed to load user banlist:
java.io.FileNotFoundException: banned-players.json (系统找不到指定的文件。) at java.io.FileInputStream.open0(Native Method) ~[?:1.8.0_121] at java.io.FileInputStream.open(Unknown Source) ~[?:1.8.0_121] at java.io.FileInputStream.<init>(Unknown Source) ~[?:1.8.0_121] at com.google.common.io.Files.newReader(Files.java:86) ~[server-1.7.10.jar:?] at net.minecraft.server.management.UserList.func_152679_g(UserList.java:201) ~[om.class:?] at net.minecraft.server.dedicated.DedicatedPlayerList.func_152620_y(SourceFile:99) [ls.class:?] at net.minecraft.server.dedicated.DedicatedPlayerList.<init>(SourceFile:25) [ls.class:?] at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:235) [lt.class:?] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:631) [MinecraftServer.class:?] at java.lang.Thread.run(Unknown Source) [?:1.8.0_121] [15:04:07 WARN]: Failed to load ip banlist:
java.io.FileNotFoundException: banned-ips.json (系统找不到指定的文件。) at java.io.FileInputStream.open0(Native Method) ~[?:1.8.0_121] at java.io.FileInputStream.open(Unknown Source) ~[?:1.8.0_121] at java.io.FileInputStream.<init>(Unknown Source) ~[?:1.8.0_121] at com.google.common.io.Files.newReader(Files.java:86) ~[server-1.7.10.jar:?] at net.minecraft.server.management.UserList.func_152679_g(UserList.java:201) ~[om.class:?] at net.minecraft.server.dedicated.DedicatedPlayerList.func_152619_x(SourceFile:91) [ls.class:?] at net.minecraft.server.dedicated.DedicatedPlayerList.<init>(SourceFile:27) [ls.class:?] at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:235) [lt.class:?] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:631) [MinecraftServer.class:?] at java.lang.Thread.run(Unknown Source) [?:1.8.0_121] [15:04:07 WARN]: Failed to load operators list: