class loading seems to work again like this

src/main/java/io/github/moehreag/nonsense/loader/impl/Launcher.java

@@ -16,8 +16,6 @@ import java.util.Map;
 
 import io.github.moehreag.nonsense.loader.impl.mixin.NonsenseMixinService;
 import lombok.Getter;
-import org.apache.logging.log4j.Level;
-import org.apache.logging.log4j.core.config.Configurator;
 import org.spongepowered.asm.launch.MixinBootstrap;
 import org.spongepowered.asm.service.IPropertyKey;
 
@@ -37,7 +35,6 @@ public class Launcher {
 	private final Env env;
 
 	public static void run(String[] args, Env env) {
-		//Configurator.setRootLevel(Level.INFO); // TODO replace with actual log4j config
 		new Launcher(args, env);
 	}
 
@@ -63,9 +60,11 @@ public class Launcher {
 		MixinBootstrap.init();
 
 		try {
-			MethodHandle ctor = MethodHandles.publicLookup().findStatic(targetClassLoader.loadClass(LoaderImpl.class.getName()), "run", MethodType.methodType(void.class, String[].class, Env.class));
+			Class<?> clazz = targetClassLoader.findClass("io.github.moehreag.nonsense.loader.impl.LoaderImpl");
+			MethodHandle ctor = MethodHandles.publicLookup().findStatic(clazz, "run", MethodType.methodType(void.class, String[].class, Env.class));
 			ctor.invoke(args, env);
 		} catch (Throwable e) {
+			// TODO
 			throw new RuntimeException(e);
 		}
 	}

src/main/java/io/github/moehreag/nonsense/loader/impl/LoaderImpl.java

@@ -86,7 +86,7 @@ public class LoaderImpl implements Loader {
 
 		classes.stream().map((String className) -> {
 			try {
-				return Class.forName(className);
+				return classloader.findClass(className);
 			} catch (ClassNotFoundException e) {
 				// TODO error handling
 				throw new RuntimeException(e);

src/main/java/io/github/moehreag/nonsense/loader/impl/MixinClassloader.java

@@ -15,15 +15,15 @@ public class MixinClassloader extends URLClassLoader {
         super.addURL(url);
     }
 
+    public boolean isClassLoaded(String name){
+        return findLoadedClass(name) != null;
+    }
+
     @Override
     public Class<?> findClass(String name) throws ClassNotFoundException {
         return super.findClass(name);
     }
 
-    public boolean isClassLoaded(String name){
-        return findLoadedClass(name) != null;
-    }
-
     public byte[] getClassBytes(String name) throws IOException {
         String binName = name.replace(".", "/");
         String path = binName.concat(".class");
@@ -34,4 +34,5 @@ public class MixinClassloader extends URLClassLoader {
         }
     }
 
+
 }

src/main/java/io/github/moehreag/nonsense/loader/impl/plugin/game/Minecraft.java

@@ -57,18 +57,25 @@ public class Minecraft implements NonsensePlugin {
 		}).forEach(LoaderImpl.getInstance().getClassloader()::addURL);
 		LOGGER.info("Found {} mods", mods.size());
 
+		Path gameJar = findGame();
+		if (gameJar == null){
+			throw new IllegalStateException("Could not find game jar!");
+		}
 		if (!Files.exists(remappedGamePath)){
-			Path gameJar = findGame();
-			if (gameJar == null){
-				throw new IllegalStateException("Could not find game jar!");
-			}
 			try {
 
 				MojMapPatcher.run(version, gameJar, remappedGamePath);
-			} catch (IOException e) {
+			} catch (Throwable e) {
 				throw new RuntimeException(e);
 			}
 		}
+
+		try {
+			LoaderImpl.getInstance().getClassloader().addURL(remappedGamePath.toUri().toURL());
+		} catch (Throwable e) {
+			throw new RuntimeException(e);
+		}
+
 	}
 
 	private Path findGame() {
@@ -102,6 +109,8 @@ public class Minecraft implements NonsensePlugin {
 				Class<?> mainClass = Class.forName(foundMainClass);
 				MethodHandle main = MethodHandles.publicLookup().findStatic(mainClass, "main", MethodType.methodType(void.class, String[].class));
 				main.invoke((Object) LoaderImpl.getInstance().getArgs());
+			} else {
+				LOGGER.warn("Failed to locate main class!");
 			}
 		} catch (Throwable e) {
 			e.printStackTrace();