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Paper/Spigot-Server-Patches/0368-Catch-JsonParseException-in-Entity-and-TE-names.patch
Aikar 6230d632e3
give EAR immunity to piston pushed entities 
helps keep vanilla behavior with piston elevators
2018-10-25 23:26:29 -04:00

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From 7ac07ac07ac07ac07ac07ac07ac07ac07ac07ac0 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Sat, 22 Sep 2018 15:56:59 -0400
Subject: [PATCH] Catch JsonParseException in Entity and TE names
As a result, data that no longer parses correctly will not crash the server
instead just logging the exception and continuing (and in most cases should
fix the data)
Player data is fixed pretty much immediately but some block data (like
Shulkers) may need to be changed in order for it to re-save properly
No more crashing though.
diff --git a/src/main/java/net/minecraft/server/CommandBlockListenerAbstract.java b/src/main/java/net/minecraft/server/CommandBlockListenerAbstract.java
index 7ac07ac07ac0..7ac07ac07ac0 100644
--- a/src/main/java/net/minecraft/server/CommandBlockListenerAbstract.java
+++ b/src/main/java/net/minecraft/server/CommandBlockListenerAbstract.java
@@ -57,7 +57,7 @@ public abstract class CommandBlockListenerAbstract implements ICommandListener {
this.g = nbttagcompound.getString("Command");
this.d = nbttagcompound.getInt("SuccessCount");
if (nbttagcompound.hasKeyOfType("CustomName", 8)) {
- this.h = IChatBaseComponent.ChatSerializer.a(nbttagcompound.getString("CustomName"));
+ this.h = MCUtil.getBaseComponentFromNbt("CustomName", nbttagcompound); // Paper - Catch ParseException
}
if (nbttagcompound.hasKeyOfType("TrackOutput", 1)) {
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 7ac07ac07ac0..7ac07ac07ac0 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -1734,7 +1734,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
this.setPosition(this.locX, this.locY, this.locZ);
this.setYawPitch(this.yaw, this.pitch);
if (nbttagcompound.hasKeyOfType("CustomName", 8)) {
- this.setCustomName(IChatBaseComponent.ChatSerializer.a(nbttagcompound.getString("CustomName")));
+ this.setCustomName(MCUtil.getBaseComponentFromNbt("CustomName", nbttagcompound)); // Paper - Catch ParseException
}
this.setCustomNameVisible(nbttagcompound.getBoolean("CustomNameVisible"));
diff --git a/src/main/java/net/minecraft/server/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java
index 7ac07ac07ac0..7ac07ac07ac0 100644
--- a/src/main/java/net/minecraft/server/MCUtil.java
+++ b/src/main/java/net/minecraft/server/MCUtil.java
@@ -339,4 +339,19 @@ public final class MCUtil {
return null;
}
}
+
+ @Nullable
+ public static IChatBaseComponent getBaseComponentFromNbt(String key, NBTTagCompound compound) {
+ if (!compound.hasKey(key)) {
+ return null;
+ }
+ String string = compound.getString(key);
+ try {
+ return IChatBaseComponent.ChatSerializer.jsonToComponent(string);
+ } catch (com.google.gson.JsonParseException e) {
+ org.bukkit.Bukkit.getLogger().warning("Unable to parse " + key + " from " + compound +": " + e.getMessage());
+ }
+
+ return null;
+ }
}
diff --git a/src/main/java/net/minecraft/server/TileEntityBanner.java b/src/main/java/net/minecraft/server/TileEntityBanner.java
index 7ac07ac07ac0..7ac07ac07ac0 100644
--- a/src/main/java/net/minecraft/server/TileEntityBanner.java
+++ b/src/main/java/net/minecraft/server/TileEntityBanner.java
@@ -74,7 +74,7 @@ public class TileEntityBanner extends TileEntity implements INamableTileEntity {
public void load(NBTTagCompound nbttagcompound) {
super.load(nbttagcompound);
if (nbttagcompound.hasKeyOfType("CustomName", 8)) {
- this.a = IChatBaseComponent.ChatSerializer.a(nbttagcompound.getString("CustomName"));
+ this.a = MCUtil.getBaseComponentFromNbt("CustomName", nbttagcompound); // Paper - Catch ParseException
}
if (this.hasWorld()) {
diff --git a/src/main/java/net/minecraft/server/TileEntityBrewingStand.java b/src/main/java/net/minecraft/server/TileEntityBrewingStand.java
index 7ac07ac07ac0..7ac07ac07ac0 100644
--- a/src/main/java/net/minecraft/server/TileEntityBrewingStand.java
+++ b/src/main/java/net/minecraft/server/TileEntityBrewingStand.java
@@ -236,7 +236,7 @@ public class TileEntityBrewingStand extends TileEntityContainer implements IWorl
ContainerUtil.b(nbttagcompound, this.items);
this.brewTime = nbttagcompound.getShort("BrewTime");
if (nbttagcompound.hasKeyOfType("CustomName", 8)) {
- this.k = IChatBaseComponent.ChatSerializer.a(nbttagcompound.getString("CustomName"));
+ this.k = MCUtil.getBaseComponentFromNbt("CustomName", nbttagcompound); // Paper - Catch ParseException
}
this.fuelLevel = nbttagcompound.getByte("Fuel");
diff --git a/src/main/java/net/minecraft/server/TileEntityChest.java b/src/main/java/net/minecraft/server/TileEntityChest.java
index 7ac07ac07ac0..7ac07ac07ac0 100644
--- a/src/main/java/net/minecraft/server/TileEntityChest.java
+++ b/src/main/java/net/minecraft/server/TileEntityChest.java
@@ -83,7 +83,7 @@ public class TileEntityChest extends TileEntityLootable { // Paper - Remove ITic
}
if (nbttagcompound.hasKeyOfType("CustomName", 8)) {
- this.i = IChatBaseComponent.ChatSerializer.a(nbttagcompound.getString("CustomName"));
+ this.i = MCUtil.getBaseComponentFromNbt("CustomName", nbttagcompound); // Paper - Catch ParseException
}
}
diff --git a/src/main/java/net/minecraft/server/TileEntityDispenser.java b/src/main/java/net/minecraft/server/TileEntityDispenser.java
index 7ac07ac07ac0..7ac07ac07ac0 100644
--- a/src/main/java/net/minecraft/server/TileEntityDispenser.java
+++ b/src/main/java/net/minecraft/server/TileEntityDispenser.java
@@ -107,7 +107,7 @@ public class TileEntityDispenser extends TileEntityLootable {
}
if (nbttagcompound.hasKeyOfType("CustomName", 8)) {
- this.i = IChatBaseComponent.ChatSerializer.a(nbttagcompound.getString("CustomName"));
+ this.i = MCUtil.getBaseComponentFromNbt("CustomName", nbttagcompound); // Paper - Catch ParseException
}
}
diff --git a/src/main/java/net/minecraft/server/TileEntityFurnace.java b/src/main/java/net/minecraft/server/TileEntityFurnace.java
index 7ac07ac07ac0..7ac07ac07ac0 100644
--- a/src/main/java/net/minecraft/server/TileEntityFurnace.java
+++ b/src/main/java/net/minecraft/server/TileEntityFurnace.java
@@ -218,7 +218,7 @@ public class TileEntityFurnace extends TileEntityContainer implements IWorldInve
}
if (nbttagcompound.hasKeyOfType("CustomName", 8)) {
- this.l = IChatBaseComponent.ChatSerializer.a(nbttagcompound.getString("CustomName"));
+ this.l = MCUtil.getBaseComponentFromNbt("CustomName", nbttagcompound); // Paper - Catch ParseException
}
// Paper start - cook speed API
diff --git a/src/main/java/net/minecraft/server/TileEntityHopper.java b/src/main/java/net/minecraft/server/TileEntityHopper.java
index 7ac07ac07ac0..7ac07ac07ac0 100644
--- a/src/main/java/net/minecraft/server/TileEntityHopper.java
+++ b/src/main/java/net/minecraft/server/TileEntityHopper.java
@@ -61,7 +61,7 @@ public class TileEntityHopper extends TileEntityLootable implements IHopper, ITi
}
if (nbttagcompound.hasKeyOfType("CustomName", 8)) {
- this.setCustomName(IChatBaseComponent.ChatSerializer.a(nbttagcompound.getString("CustomName")));
+ this.setCustomName(MCUtil.getBaseComponentFromNbt("CustomName", nbttagcompound)); // Paper - Catch ParseException
}
this.f = nbttagcompound.getInt("TransferCooldown");
diff --git a/src/main/java/net/minecraft/server/TileEntityShulkerBox.java b/src/main/java/net/minecraft/server/TileEntityShulkerBox.java
index 7ac07ac07ac0..7ac07ac07ac0 100644
--- a/src/main/java/net/minecraft/server/TileEntityShulkerBox.java
+++ b/src/main/java/net/minecraft/server/TileEntityShulkerBox.java
@@ -254,7 +254,7 @@ public class TileEntityShulkerBox extends TileEntityLootable implements IWorldIn
}
if (nbttagcompound.hasKeyOfType("CustomName", 8)) {
- this.i = IChatBaseComponent.ChatSerializer.a(nbttagcompound.getString("CustomName"));
+ this.i = MCUtil.getBaseComponentFromNbt("CustomName", nbttagcompound); // Paper - Catch ParseException
}
}
--
2.19.1
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