Sorry, the first problem as been resolved, but same days the server crash in loop with this error:
java.lang.ArrayIndexOutOfBoundsException: -8
at java.util.ArrayList.elementData(ArrayList.java:371)
at java.util.ArrayList.get(ArrayList.java:384)
at net.minecraft.server.management.ServerConfigurationManager.func_72374_b(ServerConfigurationManager.java:1130)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:914)
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:330)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:777)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:659)
at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)
Help!