如题

[10:40:53] [main/FATAL] [minecraft/MinecraftServer]: Failed to start the minecraft server
joptsimple.UnrecognizedOptionException: o is not a recognized option
        at joptsimple.OptionException.unrecognizedOption(OptionException.java:108) ~[jopt-simple-5.0.4.jar:?] {}
        at joptsimple.OptionParser.validateOptionCharacters(OptionParser.java:633) ~[jopt-simple-5.0.4.jar:?] {re:mixin}
        at joptsimple.OptionParser.handleShortOptionCluster(OptionParser.java:528) ~[jopt-simple-5.0.4.jar:?] {re:mixin}
        at joptsimple.OptionParser.handleShortOptionToken(OptionParser.java:523) ~[jopt-simple-5.0.4.jar:?] {re:mixin}
        at joptsimple.OptionParserState$2.handleArgument(OptionParserState.java:59) ~[jopt-simple-5.0.4.jar:?] {}
        at joptsimple.OptionParser.parse(OptionParser.java:396) ~[jopt-simple-5.0.4.jar:?] {re:mixin}
        at net.minecraft.server.MinecraftServer.main(MinecraftServerMixin.java:908) ~[?:?] {re:classloading,pl:accesstransformer:B,re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,pl:mixin:A,pl:runtimedistcleaner:A}
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_281] {}
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_281] {}
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_281] {}
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_281] {}
        at net.minecraftforge.fml.loading.FMLServerLaunchProvider.lambda$launchService$0(FMLServerLaunchProvider.java:51) ~[forge-1.15.2-31.2.47.jar:31.2] {}
        at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-5.1.2.jar:?] {}
        at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-5.1.2.jar:?] {}
        at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-5.1.2.jar:?] {}
        at cpw.mods.modlauncher.Launcher.run(Launcher.java:81) [modlauncher-5.1.2.jar:?] {}
        at cpw.mods.modlauncher.Launcher.main(Launcher.java:65) [modlauncher-5.1.2.jar:?] {}
        at net.minecraftforge.server.ServerMain$Runner.runLauncher(ServerMain.java:63) [forge-1.15.2-31.2.47.jar:?] {}
        at net.minecraftforge.server.ServerMain$Runner.access$100(ServerMain.java:60) [forge-1.15.2-31.2.47.jar:?] {}
        at net.minecraftforge.server.ServerMain.main(ServerMain.java:57) [forge-1.15.2-31.2.47.jar:?] {}
        at io.izzel.arclight.common.ArclightMain.run(ArclightMain.java:46) [arclight-forge-1.15-1.0.17.jar:arclight-1.15.2-1.0.17-795455c] {}
        at io.izzel.arclight.server.Main_1_15.main(Main_1_15.java:10) [arclight-forge-1.15-1.0.17.jar:arclight-1.15.2-1.0.17-795455c] {}

你的启动脚本发一下

@echo off
Java -Xincgc -Xmx1G -XX:MaxPermSize=1024M -jar arclight-forge-1.15-1.0.17.jar -nojline
pause

你这个-nojline是想实现什么？

我更新了一下bat文件就行了