本帖最后由 EmptyLava 于 2022-3-25 22:43 编辑

服务器开着，有一个熊孩子进来整个服务器就卡得动不了，整个后台不断刷屏报错

把完整的日志发出来

[08:55:05] [Server thread/WARN] []: [08:55:05][SEVERE/CustomNPCs][noppes.npcs.PacketHandlerServer:91] Error with EnumPacketServer.null

[08:55:05] [Server thread/WARN] []: [08:55:05][SEVERE/CustomNPCs][noppes.npcs.PacketHandlerServer:91] java.lang.IndexOutOfBoundsException: readerIndex(0) + length(4) exceeds writerIndex(1): PooledUnsafeDirectByteBuf(ridx: 0, widx: 1, cap: 1)
        at io.netty.buffer.AbstractByteBuf.checkReadableBytes0(AbstractByteBuf.java:1405)
        at io.netty.buffer.AbstractByteBuf.readInt(AbstractByteBuf.java:786)
        at net.minecraft.network.PacketBuffer.readInt(PacketBuffer.java:920)
        at noppes.npcs.PacketHandlerServer.lambda$onServerPacket$0(PacketHandlerServer.java:76)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at net.minecraft.util.Util.func_181617_a(SourceFile:46)
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:890)
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:474)
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:826)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:685)
        at java.lang.Thread.run(Thread.java:748)

我猜是被压测了也可能不是，重启服务器如果还有问题的话
看看你有没有装CustomNpcs，给他删掉

是被压测了，有一个人进来客户端就开始卡整个服。不知道什么漏洞