首先我们定义一个名为FlinkKafkaConsumerExample的类: importorg.apache.flink.api.common.serialization.SimpleStringSchema;importorg.apache.flink.streaming.api.environment.StreamExecutionEnvironment;importorg.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer;importjava.util.Properties;publicclassFlinkKafkaConsumer...
props.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, Commons.EXAMPLE_KAFKA_SERVER); props.put(ConsumerConfig.GROUP_ID_CONFIG, "FlinkConsumerGroup"); DataStream<String> messageStream = env.addSource(new FlinkKafkaConsumer010<>(Commons.EXAMPLE_KAFKA_TOPIC, new SimpleStringSchema(), props)); // Split ...
在Flink应用中,调用flink-connector-kafka模块的接口,生产并消费数据。用户在开发前需要使用对接安全模式的Kafka,则需要引入MRS的kafka-client-xx.x.x.jar,该jar包可在MRS client目录下获取。下面列出producer和consumer主要逻辑代码作为演示。完整代码参见com.hu
packagecom.example;importorg.apache.flink.api.common.serialization.SimpleStringSchema;importorg.apache.flink.streaming.api.datastream.DataStream;importorg.apache.flink.streaming.api.environment.StreamExecutionEnvironment;importorg.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer;importjava.util.Properties;p...
创建一个KafKa消费类 KafkaConsumer.java packageKafKaToFlink;importorg.apache.flink.api.common.functions.FlatMapFunction;importorg.apache.flink.streaming.util.serialization.SimpleStringSchema;importorg.apache.flink.api.java.tuple.Tuple2;importorg.apache.flink.streaming.api.datastream.DataStream;importorg.apache...
import org.apache.kafka.clients.consumer.ConsumerConfig; import org.apache.kafka.clients.consumer.ConsumerRecord; import java.util.Properties; public class MyKafkaUtil { private static final String KAFKA_SERVER = "hadoop101:9092"; public static FlinkKafkaConsumer<String> getFlinkKafkaConsumer(String top...
1 https://github.com/apache/flink/blob/master/flink-end-to-end-tests/flink-streaming-kafka-test/src/main/java/org/apache/flink/streaming/kafka/test/KafkaExample.java 以及1 2 https://juejin.im/post/5d844d11e51d4561e0516bbd https://developer.aliyun.com/article/686809...
flink run -m yarn-cluster -c org.example.SourceTest3_Kafka FlinkStudy-1.0-SNAPSHOT.jar 运行报错: java.lang.NoClassDefFoundError: org/apache/flink/streaming/connectors/kafka/FlinkKafkaConsumer image.png 二.解决方案 网上找了一圈,有的说是代码的问题,有的说是maven依赖的问题,有的说是需要将依赖的jar...
import org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer; import org.apache.kafka.clients.CommonClientConfigs; import org.apache.kafka.common.config.SaslConfigs; import java.util.ArrayList; import java.util.List; import java.util.Properties; @Slf4j public class Flink { public static void...
2、FlinkKafkaConsumer和FlinkKafkaConsumer 代码语言:javascript 复制 packagecom.example;importorg.apache.flink.api.common.serialization.SimpleStringSchema;importorg.apache.flink.streaming.api.datastream.DataStream;importorg.apache.flink.streaming.api.datastream.DataStreamSource;importorg.apache.flink.streaming.api....