Revert "Update Kafka client version to 3.1.0"

This reverts commit a25e2ea.

Author: olegz

pom.xml

@@ -23,7 +23,7 @@
 		<java.version>17</java.version>
 		<spring-kafka.version>3.0.0-SNAPSHOT</spring-kafka.version>
 		<spring-integration-kafka.version>6.0.0-SNAPSHOT</spring-integration-kafka.version>
-		<kafka.version>3.1.0</kafka.version>
+		<kafka.version>3.0.0</kafka.version>
 		<spring-cloud-stream.version>4.0.0-SNAPSHOT</spring-cloud-stream.version>
 		<maven-checkstyle-plugin.failsOnError>true</maven-checkstyle-plugin.failsOnError>
 		<maven-checkstyle-plugin.failsOnViolation>true</maven-checkstyle-plugin.failsOnViolation>

spring-cloud-stream-binder-kafka-streams/src/test/java/org/springframework/cloud/stream/binder/kafka/streams/bootstrap/KafkaStreamsBinderBootstrapTest.java

@@ -31,13 +31,15 @@
 import org.junit.ClassRule;
 import org.junit.Test;
 
+import org.springframework.beans.DirectFieldAccessor;
 import org.springframework.boot.WebApplicationType;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.builder.SpringApplicationBuilder;
 import org.springframework.cloud.stream.binder.kafka.streams.KeyValueSerdeResolver;
 import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.kafka.config.StreamsBuilderFactoryBean;
+import org.springframework.kafka.support.mapping.DefaultJackson2JavaTypeMapper;
 import org.springframework.kafka.test.rule.EmbeddedKafkaRule;
 
 import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
@@ -141,19 +143,18 @@ public void testStreamConfigGlobalProperties_GH1149() {
 		assertThat(streamsConfiguration3.containsKey("spring.json.value.type.method")).isFalse();
 		applicationContext.getBean(KeyValueSerdeResolver.class);
 
-		//TODO: In Kafka Streams 3.1, taskTopology field is removed. Re-evaluate this testing strategy.
-//		String configuredSerdeTypeResolver = (String) new DirectFieldAccessor(input2SBFB.getKafkaStreams())
-//				.getPropertyValue("taskTopology.processorNodes[0].valDeserializer.typeResolver.arg$2");
-//
-//		assertThat(this.getClass().getName() + ".determineType").isEqualTo(configuredSerdeTypeResolver);
-//
-//		String configuredKeyDeserializerFieldName = ((String) new DirectFieldAccessor(input2SBFB.getKafkaStreams())
-//				.getPropertyValue("taskTopology.processorNodes[0].keyDeserializer.typeMapper.classIdFieldName"));
-//		assertThat(DefaultJackson2JavaTypeMapper.KEY_DEFAULT_CLASSID_FIELD_NAME).isEqualTo(configuredKeyDeserializerFieldName);
-//
-//		String configuredValueDeserializerFieldName = ((String) new DirectFieldAccessor(input2SBFB.getKafkaStreams())
-//				.getPropertyValue("taskTopology.processorNodes[0].valDeserializer.typeMapper.classIdFieldName"));
-//		assertThat(DefaultJackson2JavaTypeMapper.DEFAULT_CLASSID_FIELD_NAME).isEqualTo(configuredValueDeserializerFieldName);
+		String configuredSerdeTypeResolver = (String) new DirectFieldAccessor(input2SBFB.getKafkaStreams())
+				.getPropertyValue("taskTopology.processorNodes[0].valDeserializer.typeResolver.arg$2");
+
+		assertThat(this.getClass().getName() + ".determineType").isEqualTo(configuredSerdeTypeResolver);
+
+		String configuredKeyDeserializerFieldName = ((String) new DirectFieldAccessor(input2SBFB.getKafkaStreams())
+				.getPropertyValue("taskTopology.processorNodes[0].keyDeserializer.typeMapper.classIdFieldName"));
+		assertThat(DefaultJackson2JavaTypeMapper.KEY_DEFAULT_CLASSID_FIELD_NAME).isEqualTo(configuredKeyDeserializerFieldName);
+
+		String configuredValueDeserializerFieldName = ((String) new DirectFieldAccessor(input2SBFB.getKafkaStreams())
+				.getPropertyValue("taskTopology.processorNodes[0].valDeserializer.typeMapper.classIdFieldName"));
+		assertThat(DefaultJackson2JavaTypeMapper.DEFAULT_CLASSID_FIELD_NAME).isEqualTo(configuredValueDeserializerFieldName);
 
 		applicationContext.close();
 	}