From: Kai Moritz <kai@juplo.de>
Date: Sat, 11 Feb 2023 13:27:15 +0000 (+0100)
Subject: counter: 1.1.8 - Fixed a `ConcurentModificationException`-bug
X-Git-Tag: counter-1.1.8
X-Git-Url: https://juplo.de/gitweb/?p=demos%2Fkafka%2Fwordcount;a=commitdiff_plain;h=3fe874718db7a8955299fdf9eacb7d7a535ff946

counter: 1.1.8 - Fixed a `ConcurentModificationException`-bug
---

diff --git a/pom.xml b/pom.xml
index 87f1f77..93a541b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 	</parent>
 	<groupId>de.juplo.kafka.wordcount</groupId>
 	<artifactId>counter</artifactId>
-	<version>1.1.7</version>
+	<version>1.1.8</version>
 	<name>Wordcount-Counter</name>
 	<description>Word-counting stream-processor of the multi-user wordcount-example</description>
 	<properties>
diff --git a/src/test/java/de/juplo/kafka/wordcount/counter/CounterApplicationIT.java b/src/test/java/de/juplo/kafka/wordcount/counter/CounterApplicationIT.java
index c6eb0a6..b412fe4 100644
--- a/src/test/java/de/juplo/kafka/wordcount/counter/CounterApplicationIT.java
+++ b/src/test/java/de/juplo/kafka/wordcount/counter/CounterApplicationIT.java
@@ -60,7 +60,7 @@ public class CounterApplicationIT
 
 		await("Expexted converted data")
 				.atMost(Duration.ofSeconds(10))
-				.untilAsserted(() -> TestData.assertExpectedResult(consumer.received));
+				.untilAsserted(() -> TestData.assertExpectedResult(consumer.getReceivedMessages()));
 	}
 
 
@@ -70,11 +70,16 @@ public class CounterApplicationIT
 		private final List<Message> received = new LinkedList<>();
 
 		@KafkaListener(groupId = "TEST", topics = TOPIC_OUT)
-		public void receive(ConsumerRecord<String, String> record)
+		public synchronized void receive(ConsumerRecord<String, String> record)
 		{
 			log.debug("Received message: {}", record);
 			received.add(Message.of(record.key(),record.value()));
 		}
+
+		synchronized List<Message> getReceivedMessages()
+		{
+			return received;
+		}
 	}
 
 	@TestConfiguration