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NEU
[demos/kafka/chat]
/
src
/
main
/
java
/
de
/
juplo
/
kafka
/
chat
/
backend
/
persistence
/
kafka
/
ChatMessageChannel.java
diff --git
a/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatMessageChannel.java
b/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatMessageChannel.java
index
084986c
..
ac30f1d
100644
(file)
--- a/
src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatMessageChannel.java
+++ b/
src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatMessageChannel.java
@@
-60,6
+60,9
@@
public class ChatMessageChannel implements Runnable, ConsumerRebalanceListener
this.currentOffset = new long[numShards];
this.nextOffset = new long[numShards];
this.chatrooms = new Map[numShards];
this.currentOffset = new long[numShards];
this.nextOffset = new long[numShards];
this.chatrooms = new Map[numShards];
+ IntStream
+ .range(0, numShards)
+ .forEach(shard -> this.chatrooms[shard] = new HashMap<>());
this.shardingStrategy = new KafkaLikeShardingStrategy(numShards);
}
this.shardingStrategy = new KafkaLikeShardingStrategy(numShards);
}