Startup Issue with Minecraft - game port not listening help

System Information

Field Value
Operating System Linux - Debian GNU/Linux 13 on x86_64
Product AMP ‘Phobos’ v2.6.4.2 (Mainline)
Virtualization Docker
Application Minecraft
Module MinecraftModule
Running in Container Yes
Current State Failed

Problem Description

Issue

trying to play some forge modded minecraft and server wont start says game port not listening

Console

18:53:18

	at MC-BOOTSTRAP/cpw.mods.modlauncher@10.0.9/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53)
at MC-BOOTSTRAP/cpw.mods.modlauncher@10.0.9/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71)

at MC-BOOTSTRAP/cpw.mods.modlauncher@10.0.9/cpw.mods.modlauncher.Launcher.run(Launcher.java:108)

at MC-BOOTSTRAP/cpw.mods.modlauncher@10.0.9/cpw.mods.modlauncher.Launcher.main(Launcher.java:78)

at MC-BOOTSTRAP/cpw.mods.modlauncher@10.0.9/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26)

at MC-BOOTSTRAP/cpw.mods.modlauncher@10.0.9/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23)

at cpw.mods.bootstraplauncher@1.1.2/cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:141)

Caused by: java.lang.reflect.InvocationTargetException

at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:118)

at java.base/java.lang.reflect.Method.invoke(Method.java:580)

at MC-BOOTSTRAP/fmlloader@1.20.1-47.4.1/net.minecraftforge.fml.loading.targets.CommonLaunchHandler.runTarget(CommonLaunchHandler.java:111)

at MC-BOOTSTRAP/fmlloader@1.20.1-47.4.1/net.minecraftforge.fml.loading.targets.CommonLaunchHandler.serverService(CommonLaunchHandler.java:103)

at MC-BOOTSTRAP/fmlloader@1.20.1-47.4.1/net.minecraftforge.fml.loading.targets.CommonServerLaunchHandler.lambda$makeService$0(CommonServerLaunchHandler.java:27)

at MC-BOOTSTRAP/cpw.mods.modlauncher@10.0.9/cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:30)

... 7 more

Caused by: java.lang.ExceptionInInitializerError

at TRANSFORMER/minecraft@1.20.1/net.minecraft.network.chat.MutableComponent.m_237204\_(MutableComponent.java:29)

at TRANSFORMER/minecraft@1.20.1/net.minecraft.network.chat.Component.m_237115\_(Component.java:444)

at TRANSFORMER/minecraft@1.20.1/net.minecraft.commands.BrigadierExceptions.<clinit>(BrigadierExceptions.java:24)

at TRANSFORMER/minecraft@1.20.1/net.minecraft.SharedConstants.<clinit>(SharedConstants.java:216)

at TRANSFORMER/minecraft@1.20.1/net.minecraft.server.Main.main(Main.java:69)

at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)

... 12 more

Caused by: java.lang.RuntimeException: Attempted to load class net/minecraft/client/gui/screens/Screen for invalid dist DEDICATED_SERVER

at MC-BOOTSTRAP/fmlloader@1.20.1-47.4.1/net.minecraftforge.fml.loading.RuntimeDistCleaner.processClassWithFlags(RuntimeDistCleaner.java:57)

at MC-BOOTSTRAP/cpw.mods.modlauncher@10.0.9/cpw.mods.modlauncher.LaunchPluginHandler.offerClassNodeToPlugins(LaunchPluginHandler.java:88)

at MC-BOOTSTRAP/cpw.mods.modlauncher@10.0.9/cpw.mods.modlauncher.ClassTransformer.transform(ClassTransformer.java:120)

at MC-BOOTSTRAP/cpw.mods.modlauncher@10.0.9/cpw.mods.modlauncher.TransformingClassLoader.maybeTransformClassBytes(TransformingClassLoader.java:50)

at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.readerToClass(ModuleClassLoader.java:113)

at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.lambda$findClass$15(ModuleClassLoader.java:219)

at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadFromModule(ModuleClassLoader.java:229)

at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.findClass(ModuleClassLoader.java:219)

at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:135)

at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)

at TRANSFORMER/minecraft@1.20.1/net.minecraft.resources.ResourceLocation.handler$zfg000$etf$illegalPathOverride(ResourceLocation.java:525)

at TRANSFORMER/minecraft@1.20.1/net.minecraft.resources.ResourceLocation.m_135841\_(ResourceLocation.java:206)

at TRANSFORMER/minecraft@1.20.1/net.minecraft.resources.ResourceLocation.m_245185\_(ResourceLocation.java:241)

at TRANSFORMER/minecraft@1.20.1/net.minecraft.resources.ResourceLocation.<init>(ResourceLocation.java:40)

at TRANSFORMER/minecraft@1.20.1/net.minecraft.network.chat.Style.<clinit>(Style.java:39

Reproduction Steps

  • changed game version to forge
  • added mods and watched/ followed steps to do it
  • tried to start up and am stumped

The game port isn’t listening because the server isn’t running.
Make sure you have Java 17 selected under Java and Memory.