Paper/patches/server/0888-Fix-plugin-loggers-on-server-shutdown.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Miguel=20Moreno?= <josemmo@pm.me>
Date: Sat, 5 Jun 2021 13:45:15 +0200
Subject: [PATCH] Fix plugin loggers on server shutdown


diff --git a/src/main/java/io/papermc/paper/log/CustomLogManager.java b/src/main/java/io/papermc/paper/log/CustomLogManager.java
new file mode 100644
index 0000000000000000000000000000000000000000..c1d3bac79bb8b4796c013ff4472f75dcd79602dc
--- /dev/null
+++ b/src/main/java/io/papermc/paper/log/CustomLogManager.java
@@ -0,0 +1,26 @@
+package io.papermc.paper.log;
+
+import java.util.logging.LogManager;
+
+public class CustomLogManager extends LogManager {
+    private static CustomLogManager instance;
+
+    public CustomLogManager() {
+        instance = this;
+    }
+
+    @Override
+    public void reset() {
+        // Ignore calls to this method
+    }
+
+    private void superReset() {
+        super.reset();
+    }
+
+    public static void forceReset() {
+        if (instance != null) {
+            instance.superReset();
+        }
+    }
+}
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 0e04083ff0598451c66731b1518b2eb6367ae36c..710ca7d3a5659953f64bc6dccdd93b43300961cc 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -998,6 +998,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
             net.minecrell.terminalconsole.TerminalConsoleAppender.close(); // Paper - Use TerminalConsoleAppender
         } catch (Exception e) {
         }
+        io.papermc.paper.log.CustomLogManager.forceReset(); // Paper - Reset loggers after shutdown
         this.onServerExit();
         // Paper end
     }
diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
index 6a9485f1c3743562700779930282285c6ad1067a..e072a5475a64d110f25ebcc871aa7703c2fc1e70 100644
--- a/src/main/java/org/bukkit/craftbukkit/Main.java
+++ b/src/main/java/org/bukkit/craftbukkit/Main.java
@@ -20,6 +20,12 @@ public class Main {
     public static boolean useJline = true;
     public static boolean useConsole = true;
 
+    // Paper start - Hijack log manager to ensure logging on shutdown
+    static {
+        System.setProperty("java.util.logging.manager", "io.papermc.paper.log.CustomLogManager");
+    }
+    // Paper end
+
     public static void main(String[] args) {
         // Paper start
         final String warnWhenLegacyFormattingDetected = String.join(".", "net", "kyori", "adventure", "text", "warnWhenLegacyFormattingDetected");