query: 2.0.0 - (RED) The keys of the top10-topic are deserialized as JSON

[demos/kafka/wordcount] / src / main / java / de / juplo / kafka / wordcount / query / QueryApplicationConfiguration.java

diff --git a/src/main/java/de/juplo/kafka/wordcount/query/QueryApplicationConfiguration.java b/src/main/java/de/juplo/kafka/wordcount/query/QueryApplicationConfiguration.java
index 6c7844d..440d5c4 100644 (file)
--- a/src/main/java/de/juplo/kafka/wordcount/query/QueryApplicationConfiguration.java
+++ b/src/main/java/de/juplo/kafka/wordcount/query/QueryApplicationConfiguration.java
@@ -2,7 +2,6 @@ package de.juplo.kafka.wordcount.query;
 
 import lombok.extern.slf4j.Slf4j;
 import org.apache.kafka.clients.consumer.ConsumerConfig;
-import org.apache.kafka.common.serialization.Serdes;
 import org.apache.kafka.streams.StreamsConfig;
 import org.apache.kafka.streams.state.HostInfo;
 import org.apache.kafka.streams.state.KeyValueBytesStoreSupplier;
@@ -86,7 +85,7 @@ public class QueryApplicationConfiguration
        {
                Properties props = new Properties();
 
-               props.put(StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG, Serdes.String().getClass().getName());
+               props.put(StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG, JsonSerde.class.getName());
                props.put(StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG, JsonSerde.class.getName());
                props.put(
                                JsonDeserializer.TYPE_MAPPINGS,