Server fails to start when running runServer task on Forge 47.1.10 or later

[Lapis256]

The following error occurs when running the runServer task on Forge 47.1.10 or later, causing the server to fail to start.

[01:43:15] [Server thread/ERROR] [ne.mi.fm.lo.RuntimeDistCleaner/DISTXFORM]: Attempted to load class net/minecraft/client/server/LanServerPinger for invalid dist DEDICATED_SERVER
[01:43:15] [Server thread/ERROR] [minecraft/MinecraftServer]: Encountered an unexpected exception
java.lang.RuntimeException: Attempted to load class net/minecraft/client/server/LanServerPinger for invalid dist DEDICATED_SERVER
at net.minecraftforge.fml.loading.RuntimeDistCleaner.processClassWithFlags(RuntimeDistCleaner.java:57) ~[fmlloader-1.20.1-47.1.10.jar:1.0] {}
at cpw.mods.modlauncher.LaunchPluginHandler.offerClassNodeToPlugins(LaunchPluginHandler.java:88) ~[modlauncher-10.0.10.jar:?] {}
at cpw.mods.modlauncher.ClassTransformer.transform(ClassTransformer.java:120) ~[modlauncher-10.0.10.jar:?] {}
at cpw.mods.modlauncher.TransformingClassLoader.maybeTransformClassBytes(TransformingClassLoader.java:50) ~[modlauncher-10.0.10.jar:?] {}
at cpw.mods.cl.ModuleClassLoader.readerToClass(ModuleClassLoader.java:113) ~[securejarhandler-2.1.10.jar:?] {}
at cpw.mods.cl.ModuleClassLoader.lambda$findClass$15(ModuleClassLoader.java:219) ~[securejarhandler-2.1.10.jar:?] {}
at cpw.mods.cl.ModuleClassLoader.loadFromModule(ModuleClassLoader.java:229) ~[securejarhandler-2.1.10.jar:?] {}
at cpw.mods.cl.ModuleClassLoader.findClass(ModuleClassLoader.java:219) ~[securejarhandler-2.1.10.jar:?] {}
at cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:135) ~[securejarhandler-2.1.10.jar:?] {}
at java.lang.ClassLoader.loadClass(ClassLoader.java:525) ~[?:?] {}
at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:197) ~[forge-1.20.1-47.1.10.jar%23145!/:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:640) ~[forge-1.20.1-47.1.10.jar%23145!/:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:251) ~[forge-1.20.1-47.1.10.jar%23145!/:?] {re:classloading,pl:accesstransformer:B}
at java.lang.Thread.run(Thread.java:840) ~[?:?] {}

Version:

• Minecraft: 1.20.1
• Forge: 47.1.10
• ModDevGradle: 2.0.76

Steps to Reproduce:

1. Create a project using MDK-Forge-1.20.1-ModDevGradle
2. Change Forge version to 47.1.10 or later
3. Run the runServer task

Expected Behavior:

The runServer task should start the server successfully.

Additional Information:

It is possible to temporarily work around the issue by setting advertiseDedicatedServerToLan to false in forge-server.toml.