Java Kafka API生产者不编写消息
我尝试运行此代码,但遇到一些问题`Java Kafka API生产者不编写消息,java,eclipse,kafka-producer-api,Java,Eclipse,Kafka Producer Api,我尝试运行此代码,但遇到一些问题` public class KafkaProducer { public static void main(String[] args) { long events = 100; Random rnd = new Random(); Properties props = new Properties(); props.put("metadata.broker.list", "localho
public class KafkaProducer {
public static void main(String[] args) {
long events = 100;
Random rnd = new Random();
Properties props = new Properties();
props.put("metadata.broker.list", "localhost:9092" );
props.put("producer.type","async"); // sync
props.put("serializer.class", "kafka.serializer.StringEncoder");
props.put("partitioner.class", "kafkaTest.KafkaPartitioner");
props.put("request.required.acks", "1");
ProducerConfig config = new ProducerConfig(props);
Producer<String, String> producer = new Producer<String, String>(config);
for (long nEvents = 0; nEvents < events; nEvents++) {
System.out.println("creating event "+nEvents);
long runtime = new Date().getTime();
String ip = "192.168.2."+ rnd.nextInt(255);
String msg = runtime + ",www.om.com," + ip;
KeyedMessage<String, String> data11 = new KeyedMessage<String, String>("testt1", ip, msg);
producer.send(data11);
//System.out.println(data11);
}
producer.close();
}
}
我得到
请编辑您的原始帖子,并将您的评论移动到正文中。您的命令行似乎不完整,并且出现异常,请使用“复制和粘贴”描述所有文件、目录和内容。我认为您的类路径上至少缺少一个Kafka API JAR,或者您的应用程序JAR不完整。在这个阶段,这根本不是一个编码问题。还显示包和导入。你好,埃克斯。我启动这条命令:java-cp kafka.jar kafkaTest.KafkaProducer-classPath/root/kafka_2.11-0.9.0.0/libs/kafka_2.11-0.9.0.0.jar请编辑您的原始帖子并将您的评论移到主体中。您的命令行似乎不完整,也有异常,请使用复制和粘贴来描述所有文件、目录和内容。我认为您的类路径上至少缺少一个Kafka API JAR,或者您的应用程序JAR不完整。在这个阶段,这根本不是一个编码问题。还显示包和导入。你好,埃克斯。我启动这个命令:java-cp kafka.jar kafkaTest.KafkaProducer-classPath/root/kafka_2.11-0.9.0.0/libs/kafka_2.11-0.9.0.jar
java -jar testProducer
Exception in thread "main"
java.lang.NoClassDefFoundError: kafka/producer/ProducerConfig at kafkaTest.KafkaProducer.main(KafkaProducer.java:31)
Caused by: java.lang.ClassNotFoundException: kafka.producer.ProducerConfig