From: Kai Moritz <kai@juplo.de>
Date: Sat, 15 Mar 2025 17:58:03 +0000 (+0100)
Subject: 2. Schritt Live-Umbau: Fix für Concurrent Modification
X-Git-Tag: spring/spring-consumer--livecoding--2025-03-18--19-42~2
X-Git-Url: https://juplo.de/gitweb/?a=commitdiff_plain;h=2d9be8876fbcb7934ccc16c3b8cfa82f1962ee6a;p=demos%2Fkafka%2Ftraining

2. Schritt Live-Umbau: Fix für Concurrent Modification
---

diff --git a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
index 55c42f61..49d78910 100644
--- a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
+++ b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
@@ -26,7 +26,7 @@ public class ApplicationConfiguration
         kafkaConsumer);
   }
 
-  @Bean
+  @Bean(destroyMethod = "")
   public KafkaConsumer<String, String> kafkaConsumer(ApplicationProperties properties)
   {
     Properties props = new Properties();
diff --git a/src/main/java/de/juplo/kafka/ExampleConsumer.java b/src/main/java/de/juplo/kafka/ExampleConsumer.java
index 1d9453b3..66665bee 100644
--- a/src/main/java/de/juplo/kafka/ExampleConsumer.java
+++ b/src/main/java/de/juplo/kafka/ExampleConsumer.java
@@ -85,5 +85,14 @@ public class ExampleConsumer implements Runnable
     consumed++;
     log.info("{} - partition={}-{}, offset={}: {}={}", id, topic, partition, offset, key, value);
   }
+
+
+  public void shutdown() throws InterruptedException
+  {
+    log.info("{} - Waking up the consumer", id);
+    consumer.wakeup();
+    log.info("{} - Joining the worker thread", id);
+    workerThread.join();
+  }
 }