From 3ce905f1f11d8b180db65e0a945c459d4ea1b5c5 Mon Sep 17 00:00:00 2001
From: Matyrobbrt <65940752+Matyrobbrt@users.noreply.github.com>
Date: Fri, 29 Dec 2023 19:11:27 +0200
Subject: [PATCH] Remove annoying logging caused by Netty (#61)

---
 loader/src/main/resources/log4j2.xml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/loader/src/main/resources/log4j2.xml b/loader/src/main/resources/log4j2.xml
index 627629518..d966231d3 100644
--- a/loader/src/main/resources/log4j2.xml
+++ b/loader/src/main/resources/log4j2.xml
@@ -59,6 +59,15 @@
         <Logger level="${sys:forge.logging.mojang.level:-info}" name="com.mojang"/>
         <Logger level="${sys:forge.logging.mojang.level:-info}" name="net.minecraft"/>
         <Logger level="${sys:forge.logging.classtransformer.level:-info}" name="cpw.mods.modlauncher.ClassTransformer"/>
+
+        <!-- Netty reflects into JDK internals, and it's causing useless DEBUG-level error stacktraces. We just ignore them -->
+        <Logger name="io.netty.util.internal.PlatformDependent0">
+            <filters>
+                <RegexFilter regex="^direct buffer constructor: unavailable$" onMatch="DENY" onMismatch="NEUTRAL" />
+                <RegexFilter regex="^jdk\.internal\.misc\.Unsafe\.allocateUninitializedArray\(int\): unavailable$" onMatch="DENY" onMismatch="NEUTRAL" />
+            </filters>
+        </Logger>
+
         <Root level="all">
             <AppenderRef ref="Console" level="${sys:forge.logging.console.level:-info}"/>
             <AppenderRef ref="ServerGuiConsole" level="${sys:forge.logging.console.level:-info}"/>