Paper/patches/server/0780-Detect-headless-JREs.patch
2024-04-25 21:57:59 +02:00

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2.5 KiB
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Noah van der Aa <ndvdaa@gmail.com>
Date: Sat, 22 Oct 2022 14:47:45 +0200
Subject: [PATCH] Detect headless JREs
Crashes caused by the missing AWT dependency come up in the support channels fairly often.
This patch detects the missing dependency and stops the server with a clear error message,
containing a link to instructions on how to install a non-headless JRE.
diff --git a/src/main/java/io/papermc/paper/util/ServerEnvironment.java b/src/main/java/io/papermc/paper/util/ServerEnvironment.java
index 68098dfe716e93aafcca4d8d5b5a81d8648b3654..2b7070e0cefa7cf0777df159693750fea14e800b 100644
--- a/src/main/java/io/papermc/paper/util/ServerEnvironment.java
+++ b/src/main/java/io/papermc/paper/util/ServerEnvironment.java
@@ -20,4 +20,14 @@ public class ServerEnvironment {
public static boolean userIsRootOrAdmin() {
return RUNNING_AS_ROOT_OR_ADMIN;
}
+
+ public static String awtDependencyCheck() {
+ try {
+ new java.awt.Color(0);
+ } catch (UnsatisfiedLinkError e) {
+ return e.getClass().getName() + ": " + e.getMessage();
+ }
+
+ return null;
+ }
}
diff --git a/src/main/java/net/minecraft/server/Main.java b/src/main/java/net/minecraft/server/Main.java
index 467b8ca8007c5d3a7b72b88e3a979bdf09f1a283..13e1a914d4523f1c192db2a9a1ee6522e0ee27da 100644
--- a/src/main/java/net/minecraft/server/Main.java
+++ b/src/main/java/net/minecraft/server/Main.java
@@ -167,6 +167,18 @@ public class Main {
return;
}
+ // Paper start - Detect headless JRE
+ String awtException = io.papermc.paper.util.ServerEnvironment.awtDependencyCheck();
+ if (awtException != null) {
+ Main.LOGGER.error("You are using a headless JRE distribution.");
+ Main.LOGGER.error("This distribution is missing certain graphic libraries that the Minecraft server needs to function.");
+ Main.LOGGER.error("For instructions on how to install the non-headless JRE, see https://docs.papermc.io/misc/java-install");
+ Main.LOGGER.error("");
+ Main.LOGGER.error(awtException);
+ return;
+ }
+ // Paper end - Detect headless JRE
+
org.spigotmc.SpigotConfig.disabledAdvancements = spigotConfiguration.getStringList("advancements.disabled"); // Paper - fix SPIGOT-5885, must be set early in init
// Paper start - fix SPIGOT-5824
File file;