49 lines
2.3 KiB
Diff
49 lines
2.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Noah van der Aa <ndvdaa@gmail.com>
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Date: Sat, 22 Oct 2022 14:47:45 +0200
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Subject: [PATCH] Detect headless JREs
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Crashes caused by the missing AWT dependency come up in the support channels fairly often.
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This patch detects the missing dependency and stops the server with a clear error message,
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containing a link to instructions on how to install a non-headless JRE.
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diff --git a/src/main/java/io/papermc/paper/util/ServerEnvironment.java b/src/main/java/io/papermc/paper/util/ServerEnvironment.java
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index 6bd0afddbcc461149dfe9a5c7a86fff6ea13a5f1..025731a189cff83576648232a91de69922241123 100644
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--- a/src/main/java/io/papermc/paper/util/ServerEnvironment.java
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+++ b/src/main/java/io/papermc/paper/util/ServerEnvironment.java
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@@ -37,4 +37,14 @@ public class ServerEnvironment {
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public static boolean userIsRootOrAdmin() {
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return RUNNING_AS_ROOT_OR_ADMIN;
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}
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+
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+ public static boolean isMissingAWTDependency() {
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+ try {
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+ new java.awt.Color(0);
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+ } catch (UnsatisfiedLinkError e) {
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+ return true;
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+ }
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+
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+ return false;
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+ }
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}
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diff --git a/src/main/java/net/minecraft/server/Main.java b/src/main/java/net/minecraft/server/Main.java
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index 5962f7a2b185d7d54a0f9e341a4fdf6e6f1c1ec5..88ef769abfa163f923258d1f83d47b28c491eaca 100644
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--- a/src/main/java/net/minecraft/server/Main.java
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+++ b/src/main/java/net/minecraft/server/Main.java
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@@ -155,6 +155,15 @@ public class Main {
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return;
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}
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+ // Paper start - Warn on headless
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+ if (io.papermc.paper.util.ServerEnvironment.isMissingAWTDependency()) {
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+ Main.LOGGER.error("You are using a headless JRE distribution.");
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+ Main.LOGGER.error("This distribution is missing certain graphic libraries that the Minecraft server needs to function.");
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+ Main.LOGGER.error("For instructions on how to install the non-headless JRE, see https://docs.papermc.io/misc/java-install");
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+ return;
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+ }
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+ // Paper end
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+
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org.spigotmc.SpigotConfig.disabledAdvancements = spigotConfiguration.getStringList("advancements.disabled"); // Paper - fix SPIGOT-5885, must be set early in init
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// Paper start - fix SPIGOT-5824
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File file;
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