以下のコードを実行しようとするとエラーが発生します..ここに何かが欠けているかどうかわかりません..出力はどこに表示されますか?
エラー
java.lang.RuntimeException: backtype.storm.storm の backtype.storm.drpc.DRPCSpout.open(DRPCSpout.java:79) のトポロジ用に DRPC サーバーが構成されていません。 .daemon.executor$fn__5802$fn__5817.invoke(executor.clj:519) at backtype.storm.util$async_loop$fn__442.invoke(util.clj:434) at clojure.lang.AFn.run(AFn.java:24) ) java.lang.Thread.run(Thread.java:744) で
Code:
----
package com.**.trident.storm;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import storm.kafka.*;
import storm.trident.*;
import backtype.storm.*;
public class EventTridentDrpcTopology
{
private static final String KAFKA_SPOUT_ID = "kafkaSpout";
private static final Logger log = LoggerFactory.getLogger(EventTridentDrpcTopology.class);
public static StormTopology buildTopology(OpaqueTridentKafkaSpout spout) throws Exception
{
TridentTopology tridentTopology = new TridentTopology();
TridentState ts = tridentTopology.newStream("event_spout",spout)
.name(KAFKA_SPOUT_ID)
.each(new Fields("mac_address"), new SplitMac(), new Fields("mac"))
.groupBy(new Fields("mac"))
.persistentAggregate(new MemoryMapState.Factory(), new Count(), new Fields("maccount"))
.parallelismHint(4)
;
tridentTopology
.newDRPCStream("mac_count")
.each(new Fields("args"), new SplitMac(), new Fields("mac"))
.stateQuery(ts,new Fields("mac"),new MapGet(), new Fields("maccount"))
.each(new Fields("maccount"), new FilterNull())
.aggregate(new Fields("maccount"), new Sum(), new Fields("sum"))
;
return tridentTopology.build();
}
public static void main(String[] str) throws Exception
{
Config conf = new Config();
BrokerHosts hosts = new ZkHosts("xxxx:2181,xxxx:2181,xxxx:2181");
String topic = "event";
//String zkRoot = topologyConfig.getProperty("kafka.zkRoot");
String consumerGroupId = "StormSpout";
DRPCClient drpc = new DRPCClient("xxxx",3772);
TridentKafkaConfig tridentKafkaConfig = new TridentKafkaConfig(hosts, topic, consumerGroupId);
tridentKafkaConfig.scheme = new SchemeAsMultiScheme(new XScheme());
OpaqueTridentKafkaSpout opaqueTridentKafkaSpout = new OpaqueTridentKafkaSpout(tridentKafkaConfig);
StormSubmitter.submitTopology("event_trident", conf, buildTopology(opaqueTridentKafkaSpout));
}
}