Hi,

I've installed the Hortonworks Sandbox and try to get into Kafka.

Unfortunately, even the simple tutorial does not work :(
http://kafka.apache.org/documentation.html#introduction

If I try to send a message via

bin/kafka-console-producer.sh --broker-list localhost:9092 --topic test

I get

 ERROR Producer connection to localhost:9092 unsuccessful
(kafka.producer.SyncProducer)

java.net.ConnectException: Connection refused
        at sun.nio.ch.Net.connect0(Native Method)
        at sun.nio.ch.Net.connect(Net.java:465)
        at sun.nio.ch.Net.connect(Net.java:457)
        at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:670)
        at kafka.network.BlockingChannel.connect(BlockingChannel.scala:57)
        at kafka.producer.SyncProducer.connect(SyncProducer.scala:141)
        at 
kafka.producer.SyncProducer.getOrMakeConnection(SyncProducer.scala:156)
        at 
kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:68)
        at kafka.producer.SyncProducer.send(SyncProducer.scala:112)
        at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:53)
        at 
kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82)
        at 
kafka.producer.async.DefaultEventHandler$$anonfun$handle$1.apply$mcV$sp(DefaultEventHandler.scala:67)
        at kafka.utils.Utils$.swallow(Utils.scala:167)
        at kafka.utils.Logging$class.swallowError(Logging.scala:106)
        at kafka.utils.Utils$.swallowError(Utils.scala:46)
        at 
kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:67)
        at 
kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:104)
        at 
kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:87)
        at 
kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:67)
        at scala.collection.immutable.Stream.foreach(Stream.scala:547)
        at 
kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:66)

In my server.properties the
host is set to host.name=sandbox.hortonworks.com, which is correct.

Thanks for any help,
Marco



-- 
Viele Grüße,
Marco

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