问与Kafka集成的Flink

EN

import java.util.Properties;
import org.apache.flink.api.common.serialization.SimpleStringSchema;
import org.apache.flink.streaming.api.datastream.DataStream;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
import org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer;

public class Flink_Kafka_Integration {
    public static void main(String[] args) throws Exception {
        final StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
    
        Properties properties = new Properties();
        properties.setProperty("bootstrap.servers", "localhost:9092");
        properties.setProperty("group.id", "test");
    
    
        FlinkKafkaConsumer<String> myConsumer = new FlinkKafkaConsumer<>("my-topic", new SimpleStringSchema(), properties);
        DataStream<String> stream = env.addSource(myConsumer);
    
    }
}

The method addSource(SourceFunction<OUT>) in the type StreamExecutionEnvironment is not applicable for the arguments (FlinkKafkaConsumer<String>)
The type org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase cannot be resolved. It is indirectly referenced from required .class files