Fixed sending ServerData packets if the description component from the backend server is null (#1673)

proxy/src/main/java/com/velocitypowered/proxy/connection/util/ServerListPingHandler.java

@@ -36,6 +36,7 @@ import java.util.Locale;
 import java.util.Optional;
 import java.util.concurrent.CompletableFuture;
 import java.util.stream.Collectors;
+import net.kyori.adventure.text.Component;
 
 /**
  * Common utilities for handling server list ping results.
@@ -107,6 +108,13 @@ public class ServerListPingHandler {
             if (response == fallback) {
               continue;
             }
+
+            if (response.getDescriptionComponent() == null) {
+              return response.asBuilder()
+                  .description(Component.empty())
+                  .build();
+            }
+
             return response;
           }
           return fallback;

proxy/src/main/java/com/velocitypowered/proxy/protocol/packet/chat/ComponentHolder.java

@@ -87,7 +87,7 @@ public class ComponentHolder {
         } catch (Exception ex) {
           logger.error(
               "Error converting binary component to JSON component! "
-              + "Binary: " + binaryTag + " JSON: " + json, ex);
+                  + "Binary: " + binaryTag + " JSON: " + json, ex);
           throw ex;
         }
       }
@@ -112,7 +112,7 @@ public class ComponentHolder {
 
   public static BinaryTag serialize(JsonElement json) {
     if (json instanceof JsonPrimitive jsonPrimitive) {
-		if (jsonPrimitive.isNumber()) {
+      if (jsonPrimitive.isNumber()) {
         Number number = json.getAsNumber();
 
         if (number instanceof Byte) {