From 17b8ce671a4bf4a4a1bc518e2674bf930442505c Mon Sep 17 00:00:00 2001
From: Clement Escoffier <clement.escoffier@gmail.com>
Date: Mon, 19 Jul 2021 19:01:43 +0200
Subject: [PATCH] Fix #18811 - Only add the consumer group id if the Kafka
 config is not empty

(cherry picked from commit eef7581ec92b22d17abec76cf3f4e16ca643a095)
---
 .../kafka/client/runtime/KafkaRuntimeConfigProducer.java        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/extensions/kafka-client/runtime/src/main/java/io/quarkus/kafka/client/runtime/KafkaRuntimeConfigProducer.java b/extensions/kafka-client/runtime/src/main/java/io/quarkus/kafka/client/runtime/KafkaRuntimeConfigProducer.java
index 61ddbfde3ce30..1bedf2d4dcc6b 100644
--- a/extensions/kafka-client/runtime/src/main/java/io/quarkus/kafka/client/runtime/KafkaRuntimeConfigProducer.java
+++ b/extensions/kafka-client/runtime/src/main/java/io/quarkus/kafka/client/runtime/KafkaRuntimeConfigProducer.java
@@ -38,7 +38,7 @@ public Map<String, Object> createKafkaRuntimeConfig(Config config, ApplicationCo
             result.put(effectivePropertyName, value);
         }
 
-        if (!result.containsKey(GROUP_ID) && app.name.isPresent()) {
+        if (!result.isEmpty() && !result.containsKey(GROUP_ID) && app.name.isPresent()) {
             result.put(GROUP_ID, app.name.get());
         }