Paper/Spigot-Server-Patches/0388-don-t-NPE-on-dimensionmanager-toString.patch

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From 73fa66d60a2fe81ffd58f1446678ebddb1786fae Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Mon, 22 Apr 2019 19:51:14 +0100
Subject: [PATCH] don't NPE on dimensionmanager toString
CraftBukkit uses vanillas DimensionManager, but does not actually
register its own dimension types, etc, due to vanilla
This causes issues because anything, e.g. command feedback, trying
to print information about the world will often attempt to print out
the dimension name, which ends up throwing an NPE due to the lack of
a registered type, we work around this by just returning the world name,
this is not super elegant, but is the only route that promises not to
break stuff.
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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index b05d7b0e87..7cc0c7c162 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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@@ -993,7 +993,14 @@ public final class CraftServer implements Server {
worlddata.checkName(name); // CraftBukkit - Migration did not rewrite the level.dat; This forces 1.8 to take the last loaded world as respawn (in this case the end)
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DimensionManager actualDimension = DimensionManager.a(creator.environment().getId());
- DimensionManager internalDimension = new DimensionManager(dimension, name, name, (w, manager) -> actualDimension.getWorldProvider(w), actualDimension.hasSkyLight());
+ // Paper start - override toString
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+ DimensionManager internalDimension = new DimensionManager(dimension, name, name, (w, manager) -> actualDimension.getWorldProvider(w), actualDimension.hasSkyLight()) {
+ @Override
+ public String toString() {
+ return name;
+ }
+ };
+ // Paper end
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WorldServer internal = (WorldServer) new WorldServer(console, console.executorService, sdm, worlddata, internalDimension, console.getMethodProfiler(), getServer().worldLoadListenerFactory.create(11), creator.environment(), generator);
if (!(worlds.containsKey(name.toLowerCase(java.util.Locale.ENGLISH)))) {
--
2.21.0