X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Ftop10%2FTop10StreamProcessor.java;fp=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Ftop10%2FTop10StreamProcessor.java;h=d30e5d7aacb05ee8d00a29957335fe416ba7e2b1;hb=45b7b6c75e464b30d4acb79074ed3e99860763b1;hp=276ca8e7239021880d6a86cec9d27b4367daf7bc;hpb=46d16efa66a06c24aa2286b4dd14676f9168b4e2;p=demos%2Fkafka%2Fwordcount

diff --git a/src/main/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessor.java b/src/main/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessor.java
index 276ca8e..d30e5d7 100644
--- a/src/main/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessor.java
+++ b/src/main/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessor.java
@@ -6,6 +6,7 @@ import de.juplo.kafka.wordcount.avro.Key;
 import de.juplo.kafka.wordcount.avro.Ranking;
 import io.confluent.kafka.serializers.AbstractKafkaSchemaSerDeConfig;
 import io.confluent.kafka.streams.serdes.avro.SpecificAvroSerde;
+import io.confluent.kafka.streams.serdes.avro.SpecificAvroSerializer;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.kafka.clients.consumer.ConsumerConfig;
 import org.apache.kafka.common.serialization.Serdes;
@@ -13,6 +14,7 @@ import org.apache.kafka.streams.KafkaStreams;
 import org.apache.kafka.streams.KeyValue;
 import org.apache.kafka.streams.StreamsBuilder;
 import org.apache.kafka.streams.StreamsConfig;
+import org.apache.kafka.streams.kstream.Consumed;
 import org.springframework.boot.SpringApplication;
 import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.stereotype.Component;
@@ -43,7 +45,7 @@ public class Top10StreamProcessor
 		StreamsBuilder builder = new StreamsBuilder();
 
 		builder
-				.<Key, Long>stream(properties.getInputTopic())
+				.<Key, Long>stream(properties.getInputTopic(), Consumed.with(SpecificAvroSerializer.class, Serdes.String()) )
 				.map((key, count) -> new KeyValue<>(
 						key.getUsername(),
 						Entry.newBuilder().setWord(key.getWord()).setCount(count).build()))