Server Kapanması

[basbas33]

Arkadaşlar Serverimizi Kurdum

16:15:44 [SEVERE] at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:63)

16:15:44 [SEVERE] at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:567)
16:15:44 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:459)
16:15:44 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
16:15:44 [SEVERE] Unexpected exception
java.lang.NullPointerException
at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:63)
at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:567)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:459)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
16:16:03 [INFO] Connection reset

Bazen Bu Cıkıyor Server Kapanıyor Niye Cıkıyordur Bu Hata Lütfen Yardım Edin