From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Wed, 14 Dec 2022 15:52:11 -0800
Subject: [PATCH] Improve logging and errors


diff --git a/src/main/java/net/minecraft/server/packs/PathPackResources.java b/src/main/java/net/minecraft/server/packs/PathPackResources.java
index 0232c29d96e1021a9f5a9678996993dc55fe7254..8ad8ad1189d7cdb58caaa39c482d32685afa3f9a 100644
--- a/src/main/java/net/minecraft/server/packs/PathPackResources.java
+++ b/src/main/java/net/minecraft/server/packs/PathPackResources.java
@@ -105,6 +105,12 @@ public class PathPackResources extends AbstractPackResources {
         try (DirectoryStream<Path> directoryStream = Files.newDirectoryStream(path)) {
             for(Path path2 : directoryStream) {
                 String string = path2.getFileName().toString();
+                // Paper start
+                if (!Files.isDirectory(path2)) {
+                    LOGGER.error("Invalid directory entry: {} in {}.", string, this.root, new java.nio.file.NotDirectoryException(string));
+                    continue;
+                }
+                // Paper end
                 if (string.equals(string.toLowerCase(Locale.ROOT))) {
                     set.add(string);
                 } else {
diff --git a/src/main/java/org/bukkit/craftbukkit/legacy/CraftLegacy.java b/src/main/java/org/bukkit/craftbukkit/legacy/CraftLegacy.java
index 080cca90f15d90249b7a38f33286ae2f735ba7d9..2677e21d8239bf0361a3bc5c9a50c328e54d70f6 100644
--- a/src/main/java/org/bukkit/craftbukkit/legacy/CraftLegacy.java
+++ b/src/main/java/org/bukkit/craftbukkit/legacy/CraftLegacy.java
@@ -44,6 +44,7 @@ import org.bukkit.material.MaterialData;
  */
 @Deprecated
 public final class CraftLegacy {
+    private static final org.slf4j.Logger LOGGER = com.mojang.logging.LogUtils.getLogger(); // Paper
 
     private static final Map<Byte, Material> SPAWN_EGGS = new HashMap<>();
     private static final Set<String> whitelistedStates = new HashSet<>(Arrays.asList("explode", "check_decay", "decayable", "facing"));
@@ -255,7 +256,7 @@ public final class CraftLegacy {
     }
 
     static {
-        System.err.println("Initializing Legacy Material Support. Unless you have legacy plugins and/or data this is a bug!");
+        LOGGER.warn("Initializing Legacy Material Support. Unless you have legacy plugins and/or data this is a bug!"); // Paper - doesn't need to be an error
         if (MinecraftServer.getServer() != null && MinecraftServer.getServer().isDebugging()) {
             new Exception().printStackTrace();
         }