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

Co-authored-by: Jason Penilla <11360596+jpenilla@users.noreply.github.com>

diff --git a/src/main/java/net/minecraft/advancements/AdvancementTree.java b/src/main/java/net/minecraft/advancements/AdvancementTree.java
index 938fe76677139e7e99698b61691bfcadf70dbd87..5cf3732d2197b381ae9256d8bed03a755d8539f4 100644
--- a/src/main/java/net/minecraft/advancements/AdvancementTree.java
+++ b/src/main/java/net/minecraft/advancements/AdvancementTree.java
@@ -35,7 +35,7 @@ public class AdvancementTree {
             this.remove(advancementnode1);
         }
 
-        AdvancementTree.LOGGER.info("Forgot about advancement {}", advancement.holder());
+        AdvancementTree.LOGGER.debug("Forgot about advancement {}", advancement.holder()); // Paper
         this.nodes.remove(advancement.holder().id());
         if (advancement.parent() == null) {
             this.roots.remove(advancement);
@@ -77,7 +77,7 @@ public class AdvancementTree {
             }
         }
 
-        // AdvancementTree.LOGGER.info("Loaded {} advancements", this.nodes.size()); // CraftBukkit - moved to AdvancementDataWorld#reload
+        // AdvancementTree.LOGGER.info("Loaded {} advancements", this.nodes.size()); // CraftBukkit - moved to AdvancementDataWorld#reload // Paper - you say it was moved... but it wasn't :) it should be moved however, since this is called when the API creates an advancement
     }
 
     private boolean tryInsert(AdvancementHolder advancement) {
diff --git a/src/main/java/net/minecraft/server/ServerAdvancementManager.java b/src/main/java/net/minecraft/server/ServerAdvancementManager.java
index 536f0c496ce36ca3248fc6eeac9bbd77214a36f9..5e24c1e712eb16d0d5343760a65310bd79d1020c 100644
--- a/src/main/java/net/minecraft/server/ServerAdvancementManager.java
+++ b/src/main/java/net/minecraft/server/ServerAdvancementManager.java
@@ -66,6 +66,7 @@ public class ServerAdvancementManager extends SimpleJsonResourceReloadListener {
         AdvancementTree advancementtree = new AdvancementTree();
 
         advancementtree.addAll(this.advancements.values());
+        LOGGER.info("Loaded {} advancements", advancementtree.nodes().size()); // Paper - moved from AdvancementTree#addAll
         Iterator iterator = advancementtree.roots().iterator();
 
         while (iterator.hasNext()) {
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 6b0ce578ec3aee339bc77c348ebd90cd36f61e38..158ad5fadb12d230f1a435ebc9e0f5cb9d4d1788 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -3394,7 +3394,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
 
                     this.resetPlayerChatState(remotechatsession_a.validate(this.player.getGameProfile(), signaturevalidator));
                 } catch (ProfilePublicKey.ValidationException profilepublickey_b) {
-                    ServerGamePacketListenerImpl.LOGGER.error("Failed to validate profile key: {}", profilepublickey_b.getMessage());
+                    // ServerGamePacketListenerImpl.LOGGER.error("Failed to validate profile key: {}", profilepublickey_b.getMessage()); // Paper - unnecessary log
                     this.disconnect(profilepublickey_b.getComponent(), profilepublickey_b.kickCause); // Paper - kick event causes
                 }
 
diff --git a/src/main/java/net/minecraft/server/packs/PathPackResources.java b/src/main/java/net/minecraft/server/packs/PathPackResources.java
index 89aa86a49eda563c82ccedc99641e699f8e578b0..4822f94ce183a99ad9e0d1bdc6c5708d958f6104 100644
--- a/src/main/java/net/minecraft/server/packs/PathPackResources.java
+++ b/src/main/java/net/minecraft/server/packs/PathPackResources.java
@@ -108,6 +108,12 @@ 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 (ResourceLocation.isValidNamespace(string)) {
                     set.add(string);
                 } else {
diff --git a/src/main/java/net/minecraft/world/item/crafting/RecipeManager.java b/src/main/java/net/minecraft/world/item/crafting/RecipeManager.java
index 4259181bab2dc4f2d0409b56fdf81d966003376d..93e7d350a4176250d9ae3f0e1e7e6a4197d613b0 100644
--- a/src/main/java/net/minecraft/world/item/crafting/RecipeManager.java
+++ b/src/main/java/net/minecraft/world/item/crafting/RecipeManager.java
@@ -84,7 +84,7 @@ public class RecipeManager extends SimpleJsonResourceReloadListener {
             return entry1.getValue(); // CraftBukkit // Paper - decompile fix - *shrugs internally* // todo: is this needed anymore?
         }));
         this.byName = Maps.newHashMap(builder.build()); // CraftBukkit
-        RecipeManager.LOGGER.info("Loaded {} recipes", map1.size());
+        RecipeManager.LOGGER.info("Loaded {} recipes", this.byName.size()); // Paper - log correct number of recipes
     }
 
     // CraftBukkit start
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();
         }