![](/img/trans.png)
[英]Apache Kafka 0.8.2.1 - Producer (Java API) does not write messages
[英]Apache kafka producer does not store data
我正在嘗試使用公共IP訪問部署在AWS服務器上的kafka,但是當嘗試連接它並發送一些數據時,我沒有收到任何響應,並且服務器連接已關閉。以下是我的生產者代碼-
public SensorDevice() {
Properties props = new Properties();
props.put("metadata.broker.list", "myip-xyz:9092");
props.put("bootstrap.servers", "myip-xyz:9092");
props.put("serializer.class", "kafka.serializer.StringEncoder");
props.put("key.serializer",
"org.apache.kafka.common.serialization.StringSerializer");
props.put("value.serializer",
"org.apache.kafka.common.serialization.StringSerializer");
// props.put("partitioner.class", "example.producer.SimplePartitioner");
props.put("request.required.acks", "1");
producer = new KafkaProducer<String, String>(props);
}
public void run() {
Object objectData = new Object();
ProducerRecord<String, String> data = new ProducerRecord<String, String>(
topic, "mytopic", objectData.toString());
System.out.println(data);
Future<RecordMetadata> rs = producer.send(data,
new org.apache.kafka.clients.producer.Callback() {
@Override
public void onCompletion(RecordMetadata recordMetadata,
Exception arg1) {
System.out.println("Received ack for partition="
+ recordMetadata.partition() + " offset = "
+ recordMetadata.offset());
}
});
try {
String msg = "";
RecordMetadata rm = rs.get();
msg = msg + " partition = " + rm.partition() + " offset ="
+ rm.offset();
System.out.println(msg);
} catch (Exception e) {
System.out.println(e);
}
producer.close();
}
我也嘗試將advertise.host.name添加到server.properties配置文件中。 卡夫卡顯示以下錯誤-
> [2015-04-24 09:06:35,329] INFO Created log for partition [mytopic,0] in /tmp/kafka-logs with properties {segment.index.bytes ->
> 10485760, file.delete.delay.ms -> 60000, segment.bytes -> 1073741824,
> flush.ms -> 9223372036854775807, delete.retention.ms -> 86400000,
> index.interval.bytes -> 4096, retention.bytes -> -1,
> min.insync.replicas -> 1, cleanup.policy -> delete,
> unclean.leader.election.enable -> true, segment.ms -> 604800000,
> max.message.bytes -> 1000012, flush.messages -> 9223372036854775807,
> min.cleanable.dirty.ratio -> 0.5, retention.ms -> 604800000,
> segment.jitter.ms -> 0}. (kafka.log.LogManager)
> [2015-04-24 09:06:35,330] WARN Partition [mytopic,0] on broker 0: No checkpointed highwatermark is found for partition [mytopic,0]
> (kafka.cluster.Partition)
> [2015-04-24 09:07:34,788] INFO Closing socket connection to /50.156.87.157. (kafka.network.Processor)
請幫我解決這個問題!
EC2 IP地址是內部的。 在處理運行kafka和zookeeper的EC2服務器時,您可能會遇到一些問題。 嘗試在server.properties
文件中設置advertised.host.name
和advertised.port
變量。
advertised.host.name
應該是EC2服務器的IP地址。 advertised.port
應該是kafka端口。 默認情況下為9092
。
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.