src/de/steamwar/bungeecore/BungeeCore.java

@@ -52,6 +52,7 @@ public class BungeeCore extends Plugin {
         setInstance(this);
         loadConfig();
 
+        new ErrorLogger();
         new ConnectionListener();
         new Forge();
         new LabyMod();
@@ -101,6 +102,7 @@ public class BungeeCore extends Plugin {
 
     @Override
     public void onDisable(){
+        ErrorLogger.stop();
         SQL.close();
     }
 

src/de/steamwar/bungeecore/ErrorLogger.java

@@ -0,0 +1,50 @@
+package de.steamwar.bungeecore;
+
+import de.steamwar.bungeecore.sql.SWException;
+import net.md_5.bungee.api.ProxyServer;
+
+import java.util.logging.Handler;
+import java.util.logging.Level;
+import java.util.logging.LogRecord;
+
+public class ErrorLogger extends Handler {
+    private static ErrorLogger instance;
+
+    ErrorLogger(){
+        ProxyServer.getInstance().getLogger().addHandler(this);
+        instance = this;
+    }
+
+    static void stop(){
+        ProxyServer.getInstance().getLogger().removeHandler(instance);
+    }
+
+    @Override
+    public void publish(LogRecord record) {
+        if(record.getLevel() != Level.SEVERE)
+            return;
+
+        StringBuilder stacktrace = new StringBuilder(record.getSourceClassName() + "\n" + record.getSourceMethodName());
+        Throwable thrown = record.getThrown();
+        while(thrown != null){
+            stacktrace.append("\nCaused by").append(thrown.getMessage());
+
+            for(StackTraceElement ste : thrown.getStackTrace())
+                stacktrace.append("\n").append(ste.toString());
+
+            thrown = thrown.getCause();
+        }
+
+        SWException.log("Bungee", record.getMessage(), stacktrace.toString());
+    }
+
+    @Override
+    public void flush() {
+        //ignored
+    }
+
+    @Override
+    public void close() {
+        //ignored
+    }
+}

src/de/steamwar/bungeecore/commands/BugCommand.java

@@ -0,0 +1,24 @@
+package de.steamwar.bungeecore.commands;
+
+import de.steamwar.bungeecore.sql.SWException;
+import de.steamwar.bungeecore.sql.SteamwarUser;
+import net.md_5.bungee.api.CommandSender;
+import net.md_5.bungee.api.connection.ProxiedPlayer;
+
+public class BugCommand extends BasicCommand {
+    public BugCommand() {
+        super("bug", null);
+    }
+
+    @Override
+    public void execute(CommandSender sender, String[] args) {
+        if(!(sender instanceof ProxiedPlayer))
+            return;
+
+        ProxiedPlayer player = (ProxiedPlayer) sender;
+        String server = player.getServer().getInfo().getName();
+        String message = String.join(" ", args);
+        SteamwarUser user = SteamwarUser.get(player.getUniqueId());
+        SWException.log(server, message, player.getName() + " " + user.getId());
+    }
+}

src/de/steamwar/bungeecore/sql/SWException.java

@@ -0,0 +1,9 @@
+package de.steamwar.bungeecore.sql;
+
+public class SWException {
+    private SWException(){}
+
+    public static void log(String server, String message, String stacktrace){
+        SQL.update("INSERT INTO Exception (server, meassage, stacktrace) VALUES (?, ?, ?)", server, message, stacktrace);
+    }
+}