Print exceptions properly during server tick

src/main/java/net/minestom/server/UpdateManager.java

@@ -53,6 +53,7 @@ public final class UpdateManager {
         final EntityManager entityManager = MinecraftServer.getEntityManager();
 
         updateExecutionService.scheduleAtFixedRate(() -> {
+            try {
                 if (stopRequested) {
                     updateExecutionService.shutdown();
                     return;
@@ -79,6 +80,9 @@ public final class UpdateManager {
                 // Tick end callbacks
                 doTickCallback(tickEndCallbacks, tickTime / 1000000L);
 
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
         }, 0, MinecraftServer.TICK_MS, TimeUnit.MILLISECONDS);
     }
 

src/main/java/net/minestom/server/entity/EntityManager.java

@@ -10,12 +10,12 @@ import net.minestom.server.instance.Instance;
 import net.minestom.server.network.ConnectionManager;
 import net.minestom.server.network.packet.server.play.KeepAlivePacket;
 import net.minestom.server.network.player.PlayerConnection;
+import net.minestom.server.utils.async.AsyncUtils;
 import net.minestom.server.utils.validate.Check;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.Queue;
 import java.util.UUID;
-import java.util.concurrent.CompletableFuture;
 import java.util.function.Consumer;
 
 public final class EntityManager {
@@ -90,7 +90,7 @@ public final class EntityManager {
             playerInitialization.accept(player);
         }
 
-        CompletableFuture.runAsync(() -> {
+        AsyncUtils.runAsync(() -> {
             // Call pre login event
             AsyncPlayerPreLoginEvent asyncPlayerPreLoginEvent = new AsyncPlayerPreLoginEvent(player, player.getUsername(), player.getUuid());
             player.callEvent(AsyncPlayerPreLoginEvent.class, asyncPlayerPreLoginEvent);

src/main/java/net/minestom/server/network/packet/client/login/EncryptionResponsePacket.java

@@ -9,13 +9,13 @@ import net.minestom.server.extras.mojangAuth.MojangCrypt;
 import net.minestom.server.network.packet.client.ClientPreplayPacket;
 import net.minestom.server.network.player.NettyPlayerConnection;
 import net.minestom.server.network.player.PlayerConnection;
+import net.minestom.server.utils.async.AsyncUtils;
 import net.minestom.server.utils.binary.BinaryReader;
 import org.jetbrains.annotations.NotNull;
 
 import javax.crypto.SecretKey;
 import java.math.BigInteger;
 import java.util.Arrays;
-import java.util.concurrent.CompletableFuture;
 
 public class EncryptionResponsePacket implements ClientPreplayPacket {
 
@@ -31,7 +31,7 @@ public class EncryptionResponsePacket implements ClientPreplayPacket {
         }
         final NettyPlayerConnection nettyConnection = (NettyPlayerConnection) connection;
 
-        CompletableFuture.runAsync(() -> {
+        AsyncUtils.runAsync(() -> {
             try {
                 final String loginUsername = nettyConnection.getLoginUsername();
                 if (!Arrays.equals(nettyConnection.getNonce(), getNonce())) {

src/main/java/net/minestom/server/utils/async/AsyncUtils.java

@@ -0,0 +1,19 @@
+package net.minestom.server.utils.async;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.concurrent.CompletableFuture;
+
+public final class AsyncUtils {
+
+    public static void runAsync(@NotNull Runnable runnable) {
+        CompletableFuture.runAsync(() -> {
+            try {
+                runnable.run();
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        });
+    }
+
+}