SpigotCore_8/src/de/steamwar/core/FlatteningWrapper8.java

@@ -59,7 +59,7 @@ public class FlatteningWrapper8 implements FlatteningWrapper.IFlatteningWrapper
     public ItemStack setSkullOwner(String player) {
         ItemStack head = new ItemStack(Material.SKULL_ITEM, 1, (short) 3);
         SkullMeta headmeta = (SkullMeta) head.getItemMeta();
-        headmeta.setOwner(player);
+        headmeta.setOwner(player.startsWith(".") ? player.substring(1) : player);
         headmeta.setDisplayName(player);
         head.setItemMeta(headmeta);
         return head;

SpigotCore_Main/src/de/steamwar/command/CaseInsensitiveCommandsListener.java

@@ -0,0 +1,35 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.command;
+
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerCommandPreprocessEvent;
+
+public class CaseInsensitiveCommandsListener implements Listener {
+
+    @EventHandler(priority = EventPriority.LOWEST, ignoreCancelled = true)
+    public void onPlayerCommandPreprocess(PlayerCommandPreprocessEvent event) {
+        String[] strings = event.getMessage().split(" ");
+        strings[0] = strings[0].toLowerCase();
+        event.setMessage(String.join(" ", strings));
+    }
+}

SpigotCore_Main/src/de/steamwar/command/SWCommand.java

@@ -102,7 +102,7 @@ public class SWCommand extends AbstractSWCommand<CommandSender> {
     }
 
     @Register(help = true)
-    private void internalHelp(Player p, String... args) {
+    public void internalHelp(Player p, String... args) {
         if (message == null) {
             return;
         }

SpigotCore_Main/src/de/steamwar/core/Core.java

@@ -20,10 +20,7 @@
 package de.steamwar.core;
 
 import com.comphenix.tinyprotocol.TinyProtocol;
-import de.steamwar.command.SWCommandUtils;
-import de.steamwar.command.SWTypeMapperCreator;
-import de.steamwar.command.TabCompletionCache;
-import de.steamwar.command.TypeMapper;
+import de.steamwar.command.*;
 import de.steamwar.core.authlib.AuthlibInjector;
 import de.steamwar.core.events.ChattingEvent;
 import de.steamwar.core.events.PartialChunkFixer;
@@ -108,6 +105,7 @@ public class Core extends JavaPlugin{
 			}
 		});
 		Bukkit.getScheduler().runTaskTimer(this, TabCompletionCache::invalidateOldEntries, 20, 20);
+		Bukkit.getPluginManager().registerEvents(new CaseInsensitiveCommandsListener(), this);
 
 		Bukkit.getPluginManager().registerEvents(new PlayerJoinedEvent(), this);
 		Bukkit.getPluginManager().registerEvents(new ChattingEvent(), this);

SpigotCore_Main/src/de/steamwar/core/CrashDetector.java

@@ -54,8 +54,12 @@ public class CrashDetector {
                 if(mainThread.isAlive()) {
                     SWException.log("Server hung for " + (curTime - lastTick.get()) + "ms", Arrays.stream(mainThread.getStackTrace()).map(StackTraceElement::toString).collect(Collectors.joining("\n")));
                 } else {
-                    SWException.log("Server thread already dead, stopping server", "");
-                    System.exit(0);
+                    SWException.log("Server thread already dead, unclean server stop", "Core enabled: " + Core.getInstance().isEnabled());
+                    if(Core.getInstance().isEnabled()) {
+                        Core.getInstance().onDisable();
+                    }
+                    //System.exit(0); Does freeze, potential freezing issues: ConsoleRestoreHook, ApplicationShutdownHooks or DeleteOnExitHook
+                    Runtime.getRuntime().halt(0);
                 }
                 lastTick.set(curTime);
             }