Repository: spark
Updated Branches:
refs/heads/branch-1.4 4b91e18d9 -> ba24dfae7
[SPARK-7396] [STREAMING] [EXAMPLE] Update KafkaWordCountProducer to use new
Producer API
Otherwise it will throw exception:
```
Exception in thread "main" kafka.common.FailedToSendMessageException: Failed to
send messages after 3 tries.
at
kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:90)
at kafka.producer.Producer.send(Producer.scala:77)
at
org.apache.spark.examples.streaming.KafkaWordCountProducer$.main(KafkaWordCount.scala:96)
at
org.apache.spark.examples.streaming.KafkaWordCountProducer.main(KafkaWordCount.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:623)
at
org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:169)
at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:192)
at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:111)
at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
```
Author: jerryshao <[email protected]>
Closes #5936 from jerryshao/SPARK-7396 and squashes the following commits:
270bbe2 [jerryshao] Fix Kafka Produce throw Exception issue
(cherry picked from commit 316a5c0423ba3688cacd3acc3c5b5571e8a71d1d)
Signed-off-by: Tathagata Das <[email protected]>
Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/ba24dfae
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/ba24dfae
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/ba24dfae
Branch: refs/heads/branch-1.4
Commit: ba24dfae72faa58afd5ae5f2cd637181088f7f93
Parents: 4b91e18
Author: jerryshao <[email protected]>
Authored: Wed May 6 17:44:43 2015 -0700
Committer: Tathagata Das <[email protected]>
Committed: Wed May 6 17:44:51 2015 -0700
----------------------------------------------------------------------
.../examples/streaming/KafkaWordCount.scala | 24 +++++++++++---------
1 file changed, 13 insertions(+), 11 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/spark/blob/ba24dfae/examples/scala-2.10/src/main/scala/org/apache/spark/examples/streaming/KafkaWordCount.scala
----------------------------------------------------------------------
diff --git
a/examples/scala-2.10/src/main/scala/org/apache/spark/examples/streaming/KafkaWordCount.scala
b/examples/scala-2.10/src/main/scala/org/apache/spark/examples/streaming/KafkaWordCount.scala
index 387c0e4..f407367 100644
---
a/examples/scala-2.10/src/main/scala/org/apache/spark/examples/streaming/KafkaWordCount.scala
+++
b/examples/scala-2.10/src/main/scala/org/apache/spark/examples/streaming/KafkaWordCount.scala
@@ -17,9 +17,9 @@
package org.apache.spark.examples.streaming
-import java.util.Properties
+import java.util.HashMap
-import kafka.producer._
+import org.apache.kafka.clients.producer.{ProducerConfig, KafkaProducer,
ProducerRecord}
import org.apache.spark.streaming._
import org.apache.spark.streaming.kafka._
@@ -77,23 +77,25 @@ object KafkaWordCountProducer {
val Array(brokers, topic, messagesPerSec, wordsPerMessage) = args
// Zookeeper connection properties
- val props = new Properties()
- props.put("metadata.broker.list", brokers)
- props.put("serializer.class", "kafka.serializer.StringEncoder")
+ val props = new HashMap[String, Object]()
+ props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, brokers)
+ props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG,
+ "org.apache.kafka.common.serialization.StringSerializer")
+ props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG,
+ "org.apache.kafka.common.serialization.StringSerializer")
- val config = new ProducerConfig(props)
- val producer = new Producer[String, String](config)
+ val producer = new KafkaProducer[String, String](props)
// Send some messages
while(true) {
- val messages = (1 to messagesPerSec.toInt).map { messageNum =>
+ (1 to messagesPerSec.toInt).foreach { messageNum =>
val str = (1 to wordsPerMessage.toInt).map(x =>
scala.util.Random.nextInt(10).toString)
.mkString(" ")
- new KeyedMessage[String, String](topic, str)
- }.toArray
+ val message = new ProducerRecord[String, String](topic, null, str)
+ producer.send(message)
+ }
- producer.send(messages: _*)
Thread.sleep(100)
}
}
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