96 lines
4.5 KiB
Diff
96 lines
4.5 KiB
Diff
From b061a231214e88cde43e0c3880f779723828b2b4 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sat, 21 Jul 2018 08:25:40 -0400
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Subject: [PATCH] Add Debug Entities option to debug dupe uuid issues
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Add -Ddebug.entities=true to your JVM flags to gain more information
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diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index f6b755863..108654d63 100644
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--- a/src/main/java/net/minecraft/server/Entity.java
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+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -73,6 +73,7 @@ public abstract class Entity implements ICommandListener, KeyedObject { // Paper
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}
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return bukkitEntity;
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}
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+ Throwable addedToWorldStack; // Paper - entity debug
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// CraftBukikt end
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private static final Logger a = LogManager.getLogger();
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diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
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index b16324e1a..994d4bbb8 100644
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--- a/src/main/java/net/minecraft/server/WorldServer.java
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+++ b/src/main/java/net/minecraft/server/WorldServer.java
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@@ -7,6 +7,7 @@ import com.google.common.util.concurrent.ListenableFuture;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.Collection;
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+import java.util.Date;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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@@ -53,6 +54,10 @@ public class WorldServer extends World implements IAsyncTaskHandler {
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private final List<NextTickListEntry> W = Lists.newArrayList();
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// CraftBukkit start
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+ private static final boolean DEBUG_ENTITIES = Boolean.getBoolean("debug.entities"); // Paper
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+ private static Throwable getAddToWorldStackTrace(Entity entity) {
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+ return new Throwable(entity + " Added to world at " + new Date());
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+ }
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public final int dimension;
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// Add env and gen to constructor
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@@ -1160,6 +1165,7 @@ public class WorldServer extends World implements IAsyncTaskHandler {
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private boolean j(Entity entity) {
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if (entity.dead) {
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WorldServer.a.warn("Tried to add entity {} but it was marked as removed already", EntityTypes.a(entity)); // CraftBukkit // Paper
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+ if (DEBUG_ENTITIES) getAddToWorldStackTrace(entity).printStackTrace();
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return false;
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} else {
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UUID uuid = entity.getUniqueID();
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@@ -1171,8 +1177,14 @@ public class WorldServer extends World implements IAsyncTaskHandler {
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this.f.remove(entity1);
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} else {
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if (!(entity instanceof EntityHuman)) {
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- WorldServer.a.error("Keeping entity {} that already exists with UUID {} - " + entity1, EntityTypes.a(entity1), uuid.toString()); // CraftBukkit // Paper
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+ WorldServer.a.error("Keeping entity {} that already exists with UUID {}", entity1, uuid.toString()); // CraftBukkit // Paper
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WorldServer.a.error("Deleting duplicate entity {}", entity); // Paper
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+ if (DEBUG_ENTITIES) {
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+ if (entity1.addedToWorldStack != null) {
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+ entity1.addedToWorldStack.printStackTrace();
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+ }
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+ getAddToWorldStackTrace(entity).printStackTrace();
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+ }
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return false;
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}
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@@ -1189,7 +1201,24 @@ public class WorldServer extends World implements IAsyncTaskHandler {
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protected void b(Entity entity) {
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super.b(entity);
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this.entitiesById.a(entity.getId(), entity);
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- this.entitiesByUUID.put(entity.getUniqueID(), entity);
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+ // Paper start
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+ if (DEBUG_ENTITIES) {
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+ entity.addedToWorldStack = getAddToWorldStackTrace(entity);
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+ }
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+ Entity old = this.entitiesByUUID.put(entity.getUniqueID(), entity);
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+ if (old != null && old.getId() != entity.getId() && old.valid) {
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+ Logger logger = LogManager.getLogger();
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+ logger.error("Overwrote an existing entity " + old + " with " + entity);
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+ if (DEBUG_ENTITIES) {
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+ if (old.addedToWorldStack != null) {
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+ old.addedToWorldStack.printStackTrace();
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+ } else {
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+ logger.error("Oddly, the old entity was not added to the world in the normal way. Plugins?");
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+ }
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+ entity.addedToWorldStack.printStackTrace();
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+ }
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+ }
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+ // Paper end
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Entity[] aentity = entity.bb();
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if (aentity != null) {
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--
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2.18.0
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