From 33ae2cae2ced3d6b3294a61d3c5b460667589c45 Mon Sep 17 00:00:00 2001
From: sulu5890 <sulu@sulu.me>
Date: Sat, 11 Dec 2021 10:35:42 -0600
Subject: [PATCH] Update Log4j


diff --git a/pom.xml b/pom.xml
index 132843880..d60021747 100644
--- a/pom.xml
+++ b/pom.xml
@@ -90,10 +90,11 @@
           all its classes to check if they are plugins.
           Scanning takes about 1-2 seconds so adding this speeds up the server start.
         -->
+        <!-- Paper start - Update Log4j -->
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.8.1</version>
+            <version>2.17.0</version>
             <scope>compile</scope>
         </dependency>
 
@@ -101,22 +102,23 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.8.1</version>
+            <version>2.17.0</version>
             <scope>runtime</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-iostreams</artifactId>
-            <version>2.8.1</version>
+            <version>2.17.0</version>
         </dependency>
 
         <!-- Paper - Async loggers -->
         <dependency>
             <groupId>com.lmax</groupId>
             <artifactId>disruptor</artifactId>
-            <version>3.4.2</version>
+            <version>3.4.4</version>
             <scope>runtime</scope>
         </dependency>
+        <!-- Paper end - Update Log4j -->
 
         <!-- testing -->
         <dependency>
@@ -135,15 +137,17 @@
 
     <repositories>
         <repository>
-            <id>spigotmc-public</id>
-            <url>https://hub.spigotmc.org/nexus/content/groups/public/</url>
+            <!-- Paper start - update log4j -->
+            <id>paper</id>
+            <url>https://papermc.io/repo/repository/maven-public/</url>
         </repository>
     </repositories>
 
     <pluginRepositories>
         <pluginRepository>
-            <id>spigotmc-public</id>
-            <url>https://hub.spigotmc.org/nexus/content/groups/public/</url>
+            <id>paper</id>
+            <url>https://papermc.io/repo/repository/maven-public/</url>
+            <!-- paper end - update log4j -->
         </pluginRepository>
     </pluginRepositories>
 
@@ -184,6 +188,7 @@
                             <Specification-Title>Bukkit</Specification-Title>
                             <Specification-Version>${api.version}</Specification-Version>
                             <Specification-Vendor>Bukkit Team</Specification-Vendor>
+                            <Multi-Release>true</Multi-Release> <!-- Paper start - update log4j -->
                         </manifestEntries>
                         <manifestSections>
                             <manifestSection>
@@ -211,7 +216,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>3.1.0</version>
+                <version>3.2.4</version> <!-- Paper - Update Log4j -->
                 <executions>
                     <execution>
                         <phase>package</phase>
@@ -220,6 +225,16 @@
                         </goals>
                         <configuration>
                             <dependencyReducedPomLocation>${project.build.directory}/dependency-reduced-pom.xml</dependencyReducedPomLocation> <!-- Paper -->
+                            <!-- Paper start - Update Log4j -->
+                            <filters>
+                                <filter>
+                                    <artifact>org.spigotmc:minecraft-server:**</artifact>
+                                    <excludes>
+                                        <exclude>org/apache/logging/log4j/**</exclude>
+                                    </excludes>
+                                </filter>
+                            </filters>
+                            <!-- Paper end - Update Log4j -->
                             <relocations>
                                 <!-- Paper - Workaround for hardcoded path lookup in dependency, easier than forking it - GH-189 -->
                                 <!--<relocation>-->
@@ -251,16 +266,18 @@
                                 <transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
                                     <resource>META-INF/services/java.sql.Driver</resource>
                                 </transformer>
-                                <transformer implementation="com.github.edwgiz.mavenShadePlugin.log4j2CacheTransformer.PluginsCacheFileTransformer" />
+                                <transformer implementation="io.github.edwgiz.log4j.maven.plugins.shade.transformer.Log4j2PluginCacheFileTransformer" /> <!-- Paper - Update Log4j -->
                             </transformers>
                         </configuration>
                     </execution>
                 </executions>
                 <dependencies>
                     <dependency>
-                        <groupId>com.github.edwgiz</groupId>
-                        <artifactId>maven-shade-plugin.log4j2-cachefile-transformer</artifactId>
-                        <version>2.8.1</version>
+                        <!-- paper start - update log4j -->
+                        <groupId>io.github.edwgiz</groupId>
+                        <artifactId>log4j-maven-shade-plugin-extensions</artifactId>
+                        <version>2.17.0</version>
+                        <!-- paper end - update log4j -->
                     </dependency>
                 </dependencies>
             </plugin>
-- 
2.34.1