之前都开得好好的，今天突然就崩了

java8-281 https://cowtransfer.com/s/3a3ca2d3d09243
试试java8启动呢

这是使用之后的、

---- Minecraft Crash Report ----
// Uh... Did I do that?

Time: 22-6-30 下午10:13
Description: Exception in server tick loop

java.lang.NullPointerException: Exception in server tick loop
        at acy.f(SourceFile:121)
        at zf.y(SourceFile:95)
        at zf.<init>(SourceFile:22)
        at zg.d(SourceFile:169)
        at net.minecraft.server.MinecraftServer.w(SourceFile:645)
        at net.minecraft.server.MinecraftServer.a(SourceFile:257)
        at java.lang.Thread.run(Unknown Source)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
        Minecraft Version: 1.16.5
        Minecraft Version ID: 1.16.5
        Operating System: Windows Server 2019 (amd64) version 10.0
        Java Version: 1.8.0_281, Oracle Corporation
        Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
        Memory: 501432320 bytes (478 MB) / 2057306112 bytes (1962 MB) up to 2057306112 bytes (1962 MB)
        CPUs: 4
        JVM Flags: 2 total; -Xmx2G -Xms2G
        Data Packs: file/dotm_2
        Is Modded: Unknown (can't tell)
        Type: Dedicated Server (map_server.txt)

似乎并不是存档，我换了个最初的  结果如下
---- Minecraft Crash Report ----
// I bet Cylons wouldn't have this problem.

Time: 22-6-30 下午10:30
Description: Exception in server tick loop

java.lang.NullPointerException: Exception in server tick loop
        at acy.f(SourceFile:121)
        at zf.y(SourceFile:95)
        at zf.<init>(SourceFile:22)
        at zg.d(SourceFile:169)
        at net.minecraft.server.MinecraftServer.w(SourceFile:645)
        at net.minecraft.server.MinecraftServer.a(SourceFile:257)
        at java.lang.Thread.run(Unknown Source)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
        Minecraft Version: 1.16.5
        Minecraft Version ID: 1.16.5
        Operating System: Windows Server 2019 (amd64) version 10.0
        Java Version: 1.8.0_281, Oracle Corporation
        Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
        Memory: 186134312 bytes (177 MB) / 2079326208 bytes (1983 MB) up to 2079326208 bytes (1983 MB)
        CPUs: 4
        JVM Flags: 2 total; -Xmx2G -Xms2G
        Data Packs: file/dotm_2
        Is Modded: Unknown (can't tell)
        Type: Dedicated Server (map_server.txt)

等等你这是客户端还是服务端
试试重新下载安装？

很离谱，我把核心还有server之外的文件删了之后启动就变好了,感谢提醒