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Make uses of SimpleDateFormat thread-safe

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Turns out, the utility is not thread-safe to use for whatever
reason. So, we need to use ThreadLocal to create instances
per thread.
This commit is contained in:
Spottedleaf 2023-04-03 18:41:09 -07:00
parent 33d2aa8cf7
commit 6d18e8e9b6
2 changed files with 136 additions and 8 deletions
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142
patches/server/0005-Threaded-Regions.patch
View File

@ -11011,6 +11011,37 @@ index 0000000000000000000000000000000000000000..cf9b66afc1762dbe2c625f09f9e804ca
+ }
+ }
+}
diff --git a/src/main/java/net/minecraft/advancements/CriterionProgress.java b/src/main/java/net/minecraft/advancements/CriterionProgress.java
index f40d6eaa6ebbd775cd3feb41546423fe4cbf2b22..e43c95e3be6cb41eab0a1cecbf154350e70b7b79 100644
--- a/src/main/java/net/minecraft/advancements/CriterionProgress.java
+++ b/src/main/java/net/minecraft/advancements/CriterionProgress.java
@@ -12,7 +12,7 @@ import javax.annotation.Nullable;
import net.minecraft.network.FriendlyByteBuf;
public class CriterionProgress {
- private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z", Locale.ROOT);
+ private static final ThreadLocal<SimpleDateFormat> DATE_FORMAT = ThreadLocal.withInitial(() -> new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z", Locale.ROOT)); // Folia - region threading - SDF is not thread-safe
@Nullable
private Date obtained;
@@ -43,7 +43,7 @@ public class CriterionProgress {
}
public JsonElement serializeToJson() {
- return (JsonElement)(this.obtained != null ? new JsonPrimitive(DATE_FORMAT.format(this.obtained)) : JsonNull.INSTANCE);
+ return (JsonElement)(this.obtained != null ? new JsonPrimitive(DATE_FORMAT.get().format(this.obtained)) : JsonNull.INSTANCE); // Folia - region threading - SDF is not thread-safe
}
public static CriterionProgress fromNetwork(FriendlyByteBuf buf) {
@@ -56,7 +56,7 @@ public class CriterionProgress {
CriterionProgress criterionProgress = new CriterionProgress();
try {
- criterionProgress.obtained = DATE_FORMAT.parse(datetime);
+ criterionProgress.obtained = DATE_FORMAT.get().parse(datetime); // Folia - region threading - SDF is not thread-safe
return criterionProgress;
} catch (ParseException var3) {
throw new JsonSyntaxException("Invalid datetime: " + datetime, var3);
diff --git a/src/main/java/net/minecraft/commands/CommandSourceStack.java b/src/main/java/net/minecraft/commands/CommandSourceStack.java
index 7b6b51392b123d34382233adcf4c3d4867bdaa32..4c793605566f1755c99496c00dc1ef4f38c4ac7d 100644
--- a/src/main/java/net/minecraft/commands/CommandSourceStack.java
@ -17282,12 +17313,81 @@ index 2ff578e4a953ffcf5176815ba8e3f06f73499989..2e96377d628b3a07fb565020074d665f
private State() {}
}
diff --git a/src/main/java/net/minecraft/server/players/BanListEntry.java b/src/main/java/net/minecraft/server/players/BanListEntry.java
index 8f19876c20ce9cce574ebbec386a26ab5c807e18..4627c7bd326ca42c9476ec17867dba2ad4191b86 100644
--- a/src/main/java/net/minecraft/server/players/BanListEntry.java
+++ b/src/main/java/net/minecraft/server/players/BanListEntry.java
@@ -10,7 +10,7 @@ import net.minecraft.network.chat.Component;
public abstract class BanListEntry<T> extends StoredUserEntry<T> {
- public static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z", Locale.ROOT);
+ public static final ThreadLocal<SimpleDateFormat> DATE_FORMAT = ThreadLocal.withInitial(() -> new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z", Locale.ROOT)); // Folia - region threading - SDF is not thread-safe
public static final String EXPIRES_NEVER = "forever";
protected final Date created;
protected final String source;
@@ -32,7 +32,7 @@ public abstract class BanListEntry<T> extends StoredUserEntry<T> {
Date date;
try {
- date = json.has("created") ? BanListEntry.DATE_FORMAT.parse(json.get("created").getAsString()) : new Date();
+ date = json.has("created") ? BanListEntry.DATE_FORMAT.get().parse(json.get("created").getAsString()) : new Date(); // Folia - region threading - SDF is not thread-safe
} catch (ParseException parseexception) {
date = new Date();
}
@@ -43,7 +43,7 @@ public abstract class BanListEntry<T> extends StoredUserEntry<T> {
Date date1;
try {
- date1 = json.has("expires") ? BanListEntry.DATE_FORMAT.parse(json.get("expires").getAsString()) : null;
+ date1 = json.has("expires") ? BanListEntry.DATE_FORMAT.get().parse(json.get("expires").getAsString()) : null; // Folia - region threading - SDF is not thread-safe
} catch (ParseException parseexception1) {
date1 = null;
}
@@ -78,9 +78,9 @@ public abstract class BanListEntry<T> extends StoredUserEntry<T> {
@Override
protected void serialize(JsonObject json) {
- json.addProperty("created", BanListEntry.DATE_FORMAT.format(this.created));
+ json.addProperty("created", BanListEntry.DATE_FORMAT.get().format(this.created)); // Folia - region threading - SDF is not thread-safe
json.addProperty("source", this.source);
- json.addProperty("expires", this.expires == null ? "forever" : BanListEntry.DATE_FORMAT.format(this.expires));
+ json.addProperty("expires", this.expires == null ? "forever" : BanListEntry.DATE_FORMAT.get().format(this.expires)); // Folia - region threading - SDF is not thread-safe
json.addProperty("reason", this.reason);
}
@@ -89,7 +89,7 @@ public abstract class BanListEntry<T> extends StoredUserEntry<T> {
Date expires = null;
try {
- expires = jsonobject.has("expires") ? BanListEntry.DATE_FORMAT.parse(jsonobject.get("expires").getAsString()) : null;
+ expires = jsonobject.has("expires") ? BanListEntry.DATE_FORMAT.get().parse(jsonobject.get("expires").getAsString()) : null; // Folia - region threading - SDF is not thread-safe
} catch (ParseException ex) {
// Guess we don't have a date
}
diff --git a/src/main/java/net/minecraft/server/players/OldUsersConverter.java b/src/main/java/net/minecraft/server/players/OldUsersConverter.java
index 7edd4b88eb0476f0630630bc4681e859bd145b2b..f3586a5c5b5d4cae817aa7c15fc0c2fc4cd6dc09 100644
--- a/src/main/java/net/minecraft/server/players/OldUsersConverter.java
+++ b/src/main/java/net/minecraft/server/players/OldUsersConverter.java
@@ -517,7 +517,7 @@ public class OldUsersConverter {
Date date1;
try {
- date1 = BanListEntry.DATE_FORMAT.parse(dateString);
+ date1 = BanListEntry.DATE_FORMAT.get().parse(dateString); // Folia - region threading - SDF is not thread-safe
} catch (ParseException parseexception) {
date1 = fallback;
}
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 0dbe182fbae5ce5ba182176eb5d5e3f1897e77f2..0bdd6f4bea2b3fa7fef2c0a739af37f9c21ff5cd 100644
index 0dbe182fbae5ce5ba182176eb5d5e3f1897e77f2..b9bd88fa6536e17cccec8a4f482b9b272be9568f 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -139,7 +139,7 @@ public abstract class PlayerList {
private static final SimpleDateFormat BAN_DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd 'at' HH:mm:ss z");
@@ -136,10 +136,10 @@ public abstract class PlayerList {
public static final Component CHAT_FILTERED_FULL = Component.translatable("chat.filtered_full");
private static final Logger LOGGER = LogUtils.getLogger();
private static final int SEND_PLAYER_INFO_INTERVAL = 600;
- private static final SimpleDateFormat BAN_DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd 'at' HH:mm:ss z");
+ private static final ThreadLocal<SimpleDateFormat> BAN_DATE_FORMAT = ThreadLocal.withInitial(() -> new SimpleDateFormat("yyyy-MM-dd 'at' HH:mm:ss z")); // Folia - region threading - SDF is not thread-safe
private final MinecraftServer server;
public final List<ServerPlayer> players = new java.util.concurrent.CopyOnWriteArrayList(); // CraftBukkit - ArrayList -> CopyOnWriteArrayList: Iterator safety
- private final Map<UUID, ServerPlayer> playersByUUID = Maps.newHashMap();
@ -17505,7 +17605,24 @@ index 0dbe182fbae5ce5ba182176eb5d5e3f1897e77f2..0bdd6f4bea2b3fa7fef2c0a739af37f9
}
// Instead of kicking then returning, we need to store the kick reason
@@ -724,7 +785,7 @@ public abstract class PlayerList {
@@ -704,7 +765,7 @@ public abstract class PlayerList {
ichatmutablecomponent = Component.translatable("multiplayer.disconnect.banned.reason", gameprofilebanentry.getReason());
if (gameprofilebanentry.getExpires() != null) {
- ichatmutablecomponent.append((Component) Component.translatable("multiplayer.disconnect.banned.expiration", PlayerList.BAN_DATE_FORMAT.format(gameprofilebanentry.getExpires())));
+ ichatmutablecomponent.append((Component) Component.translatable("multiplayer.disconnect.banned.expiration", PlayerList.BAN_DATE_FORMAT.get().format(gameprofilebanentry.getExpires()))); // Folia - region threading - SDF is not thread-safe
}
// return chatmessage;
@@ -717,14 +778,14 @@ public abstract class PlayerList {
ichatmutablecomponent = Component.translatable("multiplayer.disconnect.banned_ip.reason", ipbanentry.getReason());
if (ipbanentry.getExpires() != null) {
- ichatmutablecomponent.append((Component) Component.translatable("multiplayer.disconnect.banned_ip.expiration", PlayerList.BAN_DATE_FORMAT.format(ipbanentry.getExpires())));
+ ichatmutablecomponent.append((Component) Component.translatable("multiplayer.disconnect.banned_ip.expiration", PlayerList.BAN_DATE_FORMAT.get().format(ipbanentry.getExpires()))); // Folia - region threading - SDF is not thread-safe
}
// return chatmessage;
event.disallow(PlayerLoginEvent.Result.KICK_BANNED, PaperAdventure.asAdventure(ichatmutablecomponent)); // Paper - Adventure
} else {
// return this.players.size() >= this.maxPlayers && !this.canBypassPlayerLimit(gameprofile) ? IChatBaseComponent.translatable("multiplayer.disconnect.server_full") : null;
@ -20407,9 +20524,18 @@ index c6d2f764efa9b8bec730bbe757d480e365b25ccc..af9313a3b3aaa0af4f2a2f4fb2424dc3
}
diff --git a/src/main/java/net/minecraft/world/level/BaseCommandBlock.java b/src/main/java/net/minecraft/world/level/BaseCommandBlock.java
index 888936385196a178ab8b730fd5e4fff4a5466428..7f09f2864c73c8e144475f2168e4a9d9b8aa4642 100644
index 888936385196a178ab8b730fd5e4fff4a5466428..a49621dcc5915c86bf0327a4903706817c7b8ff4 100644
--- a/src/main/java/net/minecraft/world/level/BaseCommandBlock.java
+++ b/src/main/java/net/minecraft/world/level/BaseCommandBlock.java
@@ -20,7 +20,7 @@ import net.minecraft.world.phys.Vec3;
public abstract class BaseCommandBlock implements CommandSource {
- private static final SimpleDateFormat TIME_FORMAT = new SimpleDateFormat("HH:mm:ss");
+ private static final ThreadLocal<SimpleDateFormat> TIME_FORMAT = ThreadLocal.withInitial(() -> new SimpleDateFormat("HH:mm:ss")); // Folia - region threading - SDF is not thread-safe
private static final Component DEFAULT_NAME = Component.literal("@");
private long lastExecution = -1L;
private boolean updateLastExecution = true;
@@ -111,6 +111,7 @@ public abstract class BaseCommandBlock implements CommandSource {
}
@ -20418,7 +20544,7 @@ index 888936385196a178ab8b730fd5e4fff4a5466428..7f09f2864c73c8e144475f2168e4a9d9
if (!world.isClientSide && world.getGameTime() != this.lastExecution) {
if ("Searge".equalsIgnoreCase(this.command)) {
this.lastOutput = Component.literal("#itzlipofutzli");
@@ -169,10 +170,12 @@ public abstract class BaseCommandBlock implements CommandSource {
@@ -169,11 +170,13 @@ public abstract class BaseCommandBlock implements CommandSource {
}
@ -20428,10 +20554,12 @@ index 888936385196a178ab8b730fd5e4fff4a5466428..7f09f2864c73c8e144475f2168e4a9d9
public void sendSystemMessage(Component message) {
if (this.trackOutput) {
- org.spigotmc.AsyncCatcher.catchOp("sendSystemMessage to a command block"); // Paper
- SimpleDateFormat simpledateformat = BaseCommandBlock.TIME_FORMAT;
+ this.threadCheck(); // Folia
SimpleDateFormat simpledateformat = BaseCommandBlock.TIME_FORMAT;
+ SimpleDateFormat simpledateformat = BaseCommandBlock.TIME_FORMAT.get(); // Folia - region threading - SDF is not thread-safe
Date date = new Date();
this.lastOutput = Component.literal("[" + simpledateformat.format(date) + "] ").append(message);
diff --git a/src/main/java/net/minecraft/world/level/EntityGetter.java b/src/main/java/net/minecraft/world/level/EntityGetter.java
index 3b959f42d958bf0f426853aee56753d6c455fcdb..b1a6a66ed02706c1adc36dcedfa415f5a24a25a0 100644
--- a/src/main/java/net/minecraft/world/level/EntityGetter.java

2
patches/server/0008-Max-pending-logins.patch
View File

@ -19,7 +19,7 @@ index 2e96377d628b3a07fb565020074d665f594f32e8..75b1877f8c3e4da3183437f327ef3376
} // Folia - region threading - remove delayed accept
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 0bdd6f4bea2b3fa7fef2c0a739af37f9c21ff5cd..44c6ff04b7310f3b59a7fa4c600e3221cbec7bb8 100644
index b9bd88fa6536e17cccec8a4f482b9b272be9568f..5f13a2f03d7a448d86550d90f105edc5dcde1194 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -177,6 +177,17 @@ public abstract class PlayerList {