Fix the shading

build.gradle

@@ -4,20 +4,19 @@ buildscript {
         maven { url = "http://files.minecraftforge.net/maven" }
     }
     dependencies {
-        classpath "net.minecraftforge.gradle:ForgeGradle:2.2-SNAPSHOT"
+        classpath 'net.minecraftforge.gradle:ForgeGradle:2.2-SNAPSHOT'
+        classpath 'com.github.jengelman.gradle.plugins:shadow:2.0.0'
     }
 }
 
-plugins {
-    id "com.github.johnrengelman.shadow" version "1.2.3" // shading
-}
-
-apply plugin: "net.minecraftforge.gradle.forge"  // adds the forge dependency
+apply plugin: 'net.minecraftforge.gradle.forge'
+apply plugin: 'com.github.johnrengelman.shadow'
+apply plugin: 'java'
 
 targetCompatibility = sourceCompatibility = JavaVersion.VERSION_1_8
 
 version = "1.10.2-0.2.0"
-group= "com.derimagia.forgeslack" // http://maven.apache.org/guides/mini/guide-naming-conventions.html
+group= "com.derimagia.forgeslack"
 archivesBaseName = "forgeslack"
 
 repositories {
@@ -35,6 +34,10 @@ minecraft {
 
 dependencies {
     compile group: 'com.github.allbegray', name: 'slack-api', version: 'v1.4.0.RELEASE'
+
+    // Manually include `org.slf4j` for slack-api
+    compile group: 'org.slf4j', name: 'slf4j-api', version: '1.7.25'
+    compile group: 'org.slf4j', name: 'slf4j-simple', version: '1.7.25'
 }
 
 processResources  {
@@ -58,11 +61,20 @@ processResources  {
 
 shadowJar {
     classifier = ""
-    relocate "com.github.allbegray", "com.derimagia.forgeslack.com.github.allbegray"
-    relocate "com.fasterxml.jackson.core", "com.derimagia.forgeslack.com.fasterxml.jackson.core"
-    relocate "org.apache.http", "com.derimagia.forgeslack.org.apache.http"
-    relocate "org.asynchttpclient", "com.derimagia.forgeslack.org.asynchttpclient"
+    // Can't relocate this because of something with AsyncHttpClientConfigDefaults:ASYNC_CLIENT_CONFIG_ROOT
+    // but most likely this won't matter because these libraries aren't probably used elsewhere.
+    // relocate "allbegray.slack", "com.derimagia.lib.com.github.allbegray"
+    // relocate "org.asynchttpclient", "com.derimagia.lib.org.asynchttpclient"
+    relocate "com.fasterxml.jackson.core", "com.derimagia.lib.com.fasterxml.jackson.core"
+    relocate "org.apache.http", "com.derimagia.lib.org.apache.http"
+    relocate "org.apache.commons", "com.derimagia.lib.org.apache.commons"
+    relocate "org.slf4j", "com.derimagia.lib.org.slf4j"
+    relocate "io.netty", "com.derimagia.lib.io.netty"
+    relocate "com.typesafe", "com.derimagia.lib.com.typesafe"
+    relocate "com.fasterxml", "com.derimagia.lib.com.fasterxml"
+    relocate "javassist", "com.derimagia.lib.javassist"
 }
 
-reobf { shadowJar {  mappingType = "SEARGE" } }
-tasks.reobfShadowJar.mustRunAfter shadowJar
+reobf {
+    shadowJar { mappingType = 'SEARGE' }
+}

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14-all.zip
+distributionUrl=https://services.gradle.org/distributions/gradle-3.5-all.zip

src/main/java/com/derimagia/forgeslack/ForgeSlack.java

@@ -7,18 +7,13 @@
 import net.minecraftforge.fml.common.Mod;
 import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
 import net.minecraftforge.fml.common.event.FMLServerStartingEvent;
-
 import net.minecraftforge.common.MinecraftForge;
 import net.minecraftforge.fml.common.event.FMLServerStoppedEvent;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
-/**
- * @author derimagia
- */
 @Mod(modid = ForgeSlack.modId, name = ForgeSlack.modId, version = ForgeSlack.version, acceptableRemoteVersions = "*")
 public class ForgeSlack {
-
     public static final String modId = "forgeslack";
     public static final String version = "0.2.0";
 
@@ -49,5 +44,4 @@ public void serverStopped(FMLServerStoppedEvent event) {
             slackRelay.shutdown();
         }
     }
-
 }

src/main/java/com/derimagia/forgeslack/handler/ConfigurationHandler.java

@@ -5,9 +5,6 @@
 
 import java.io.File;
 
-/**
- * @author derimagia
- */
 public class ConfigurationHandler
 {
     private static Configuration configuration;

src/main/java/com/derimagia/forgeslack/handler/FMLEventHandler.java

@@ -12,9 +12,6 @@
 import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
 import net.minecraftforge.fml.common.gameevent.PlayerEvent;
 
-/**
- * @author derimagia
- */
 public class FMLEventHandler {
     @SubscribeEvent
     public void onJoin(PlayerEvent.PlayerLoggedInEvent event) {

src/main/java/com/derimagia/forgeslack/handler/ForgeEventHandler.java

@@ -4,10 +4,6 @@
 import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
 import net.minecraftforge.event.ServerChatEvent;
 
-
-/**
- * @author derimagia
- */
 public class ForgeEventHandler {
 
     @SubscribeEvent

src/main/java/com/derimagia/forgeslack/handler/SlackMessageHandler.java

@@ -7,11 +7,9 @@
 import com.fasterxml.jackson.databind.JsonNode;
 import net.minecraftforge.common.ForgeHooks;
 import net.minecraftforge.fml.common.FMLCommonHandler;
-
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-
 public class SlackMessageHandler implements EventListener {
     // Mainly Copied from ForgeHooks
     static final Pattern URL_PATTERN = Pattern.compile(

src/main/java/com/derimagia/forgeslack/slack/SlackRelay.java

@@ -15,9 +15,6 @@
 import java.util.HashMap;
 import java.util.List;
 
-/**
- * @author derimagia
- */
 public class SlackRelay {
     private static SlackRelay instance;
     private SlackWebApiClient api;