Hmmm..soo I added 10000 (10,000) to jssc.awaitTermination , however it does not stop. When I am not pushing in any data it gives me this:
14/12/29 08:35:12 INFO ReceiverTracker: Stream 0 received 0 blocks 14/12/29 08:35:12 INFO JobScheduler: Added jobs for time 1419860112000 ms 14/12/29 08:35:14 INFO ReceiverTracker: Stream 0 received 0 blocks 14/12/29 08:35:14 INFO JobScheduler: Added jobs for time 1419860114000 ms 14/12/29 08:35:16 INFO ReceiverTracker: Stream 0 received 0 blocks When I am pushing in data it does this: 14/12/29 08:35:08 WARN BlockManager: Block input-0-1419860108200 already exists on this machine; not re-adding it 14/12/29 08:35:08 INFO BlockGenerator: Pushed block input-0-1419860108200 14/12/29 08:35:09 INFO MemoryStore: ensureFreeSpace(80) called with curMem=6515, maxMem=277842493 14/12/29 08:35:09 INFO MemoryStore: Block input-0-1419860109200 stored as bytes in memory (estimated size 80.0 B, free 265.0 MB) 14/12/29 08:35:09 INFO BlockManagerInfo: Added input-0-1419860109200 in memory on ip-10-0-1-230.us-west-1.compute.internal:48171 (size: 80.0 B, free: 265.0 MB) 14/12/29 08:35:09 INFO BlockManagerMaster: Updated info of block input-0-1419860109200 14/12/29 08:35:09 WARN BlockManager: Block input-0-1419860109200 already exists on this machine; not re-adding it 14/12/29 08:35:09 INFO BlockGenerator: Pushed block input-0-1419860109200 14/12/29 08:35:10 INFO ReceiverTracker: Stream 0 received 2 blocks I know I am close as everytime I enter a message in my kafka producer, the console reacts as I showed above...do I have to place the awaitTermination somewhere else? Or Is the warning saying there is an underlying problem? Thank you for the help...hopefully I am as close as I think I am! Suhas Shekar University of California, Los Angeles B.A. Economics, Specialization in Computing 2014 On Mon, Dec 29, 2014 at 12:28 AM, Akhil Das <ak...@sigmoidanalytics.com> wrote: > If you want to stop the streaming after 10 seconds, then use > ssc.awaitTermination(10000). Make sure you push some data to kafka for the > streaming to consume within the 10 seconds. > > Thanks > Best Regards > > On Mon, Dec 29, 2014 at 1:53 PM, Suhas Shekar <suhsheka...@gmail.com> > wrote: > >> I'm very close! So I added that and then I added this: >> http://mvnrepository.com/artifact/org.apache.kafka/kafka-clients/0.8.2-beta >> >> and it seems as though the stream is working as it says Stream 0 received >> 1 or 2 blocks as I enter in messages on my kafka producer. However, the >> Receiver seems to keep trying every 2 seconds (as I've included 2000 in my >> duration in my java app). How can I stop the Receiver from consuming >> messages after 10 seconds and output the word count to the console? >> >> Thanks a lot for all the help! I'm excited to see this word count :) >> >> Suhas Shekar >> >> University of California, Los Angeles >> B.A. Economics, Specialization in Computing 2014 >> >> On Mon, Dec 29, 2014 at 12:04 AM, Akhil Das <ak...@sigmoidanalytics.com> >> wrote: >> >>> Add this jar in the dependency >>> http://mvnrepository.com/artifact/com.yammer.metrics/metrics-core/2.2.0 >>> >>> Thanks >>> Best Regards >>> >>> On Mon, Dec 29, 2014 at 1:31 PM, Suhas Shekar <suhsheka...@gmail.com> >>> wrote: >>> >>>> Hello Akhil, >>>> >>>> I chanced my Kafka dependency to 2.10 (which is the version of kafka >>>> that was on 10.0.1.232). I am getting a slightly different error, but at >>>> the same place as the previous error (pasted below). >>>> >>>> FYI, when I make these changes to the pom file, I do "mvn clean >>>> package" then cp the new jar files from the repository to my lib of jar >>>> files which is a argument in my spark-submit script which is in my original >>>> post. >>>> >>>> Thanks again for the time and help...much appreciated. >>>> >>>> >>>> 14/12/29 07:56:00 INFO ReceiverSupervisorImpl: Starting receiver >>>> 14/12/29 07:56:00 INFO KafkaReceiver: Starting Kafka Consumer Stream >>>> with group: c1 >>>> 14/12/29 07:56:00 INFO KafkaReceiver: Connecting to Zookeeper: >>>> 10.0.1.232:2181 >>>> 14/12/29 07:56:00 INFO BlockGenerator: Started block pushing thread >>>> 14/12/29 07:56:00 INFO VerifiableProperties: Verifying properties >>>> 14/12/29 07:56:00 INFO VerifiableProperties: Property group.id is >>>> overridden to c1 >>>> 14/12/29 07:56:00 INFO VerifiableProperties: Property zookeeper.connect >>>> is overridden to 10.0.1.232:2181 >>>> 14/12/29 07:56:00 INFO VerifiableProperties: Property >>>> zookeeper.connection.timeout.ms is overridden to 10000 >>>> 14/12/29 07:56:00 INFO ReceiverSupervisorImpl: Stopping receiver with >>>> message: Error starting receiver 0: java.lang.NoClassDefFoundError: >>>> com/yammer/metrics/Metrics >>>> 14/12/29 07:56:00 INFO ReceiverSupervisorImpl: Called receiver onStop >>>> 14/12/29 07:56:00 INFO ReceiverSupervisorImpl: Deregistering receiver 0 >>>> 14/12/29 07:56:00 ERROR ReceiverTracker: Deregistered receiver for >>>> stream 0: Error starting receiver 0 - java.lang.NoClassDefFoundError: >>>> com/yammer/metrics/Metrics >>>> at >>>> kafka.metrics.KafkaMetricsGroup$class.newMeter(KafkaMetricsGroup.scala:51) >>>> at >>>> kafka.consumer.ZookeeperConsumerConnector.newMeter(ZookeeperConsumerConnector.scala:83) >>>> at >>>> kafka.consumer.ZookeeperConsumerConnector.<init>(ZookeeperConsumerConnector.scala:107) >>>> at >>>> kafka.consumer.ZookeeperConsumerConnector.<init>(ZookeeperConsumerConnector.scala:142) >>>> at kafka.consumer.Consumer$.create(ConsumerConnector.scala:89) >>>> at >>>> org.apache.spark.streaming.kafka.KafkaReceiver.onStart(KafkaInputDStream.scala:97) >>>> at >>>> org.apache.spark.streaming.receiver.ReceiverSupervisor.startReceiver(ReceiverSupervisor.scala:121) >>>> at >>>> org.apache.spark.streaming.receiver.ReceiverSupervisor.start(ReceiverSupervisor.scala:106) >>>> at >>>> org.apache.spark.streaming.scheduler.ReceiverTracker$ReceiverLauncher$$anonfun$9.apply(ReceiverTracker.scala:264) >>>> at >>>> org.apache.spark.streaming.scheduler.ReceiverTracker$ReceiverLauncher$$anonfun$9.apply(ReceiverTracker.scala:257) >>>> at >>>> org.apache.spark.SparkContext$$anonfun$runJob$4.apply(SparkContext.scala:1121) >>>> at >>>> org.apache.spark.SparkContext$$anonfun$runJob$4.apply(SparkContext.scala:1121) >>>> at >>>> org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:62) >>>> at org.apache.spark.scheduler.Task.run(Task.scala:54) >>>> at >>>> org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:180) >>>> at >>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) >>>> at >>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) >>>> at java.lang.Thread.run(Thread.java:722) >>>> Caused by: java.lang.ClassNotFoundException: com.yammer.metrics.Metrics >>>> at java.net.URLClassLoader$1.run(URLClassLoader.java:366) >>>> at java.net.URLClassLoader$1.run(URLClassLoader.java:355) >>>> at java.security.AccessController.doPrivileged(Native Method) >>>> at java.net.URLClassLoader.findClass(URLClassLoader.java:354) >>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:423) >>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:356) >>>> ... 18 more >>>> >>>> >>>> Suhas Shekar >>>> >>>> University of California, Los Angeles >>>> B.A. Economics, Specialization in Computing 2014 >>>> >>>> On Sun, Dec 28, 2014 at 11:52 PM, Suhas Shekar <suhsheka...@gmail.com> >>>> wrote: >>>> >>>>> I made both versions 1.1.1 and I got the same error. I then tried >>>>> making both 1.1.0 as that is the version of my Spark Core, but I got the >>>>> same error. >>>>> >>>>> I noticed my Kafka dependency is for scala 2.9.2, while my spark >>>>> streaming kafka dependency is 2.10.x...I will try changing that next, but >>>>> don't think that will solve the error as I dont think the application had >>>>> got to level yet. >>>>> >>>>> Please let me know of any possible next steps. >>>>> >>>>> Thank you again for the time and the help! >>>>> >>>>> >>>>> >>>>> Suhas Shekar >>>>> >>>>> University of California, Los Angeles >>>>> B.A. Economics, Specialization in Computing 2014 >>>>> >>>>> On Sun, Dec 28, 2014 at 11:31 PM, Akhil Das < >>>>> ak...@sigmoidanalytics.com> wrote: >>>>> >>>>>> Just looked at the pom file that you are using, why are you having >>>>>> different versions in it? >>>>>> >>>>>> <dependency> >>>>>> <groupId>org.apache.spark</groupId> >>>>>> <artifactId>spark-streaming-kafka_2.10</artifactId> >>>>>> <version>*1.1.1*</version> >>>>>> </dependency> >>>>>> <dependency> >>>>>> <groupId>org.apache.spark</groupId> >>>>>> <artifactId>spark-streaming_2.10</artifactId> >>>>>> <version>*1.0.2*</version> >>>>>> </dependency> >>>>>> >>>>>> can you make both the versions the same? >>>>>> >>>>>> >>>>>> Thanks >>>>>> Best Regards >>>>>> >>>>>> On Mon, Dec 29, 2014 at 12:44 PM, Suhas Shekar <suhsheka...@gmail.com >>>>>> > wrote: >>>>>> >>>>>>> 1) Could you please clarify on what you mean by checking the Scala >>>>>>> version is correct? In my pom.xml file it is 2.10.4 (which is the same >>>>>>> as >>>>>>> when I start spark-shell). >>>>>>> >>>>>>> 2) The spark master URL is definitely correct as I have run other >>>>>>> apps with the same script that use Spark (like a word count with a local >>>>>>> file) >>>>>>> >>>>>>> Thank you for the help! >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> Suhas Shekar >>>>>>> >>>>>>> University of California, Los Angeles >>>>>>> B.A. Economics, Specialization in Computing 2014 >>>>>>> >>>>>>> On Sun, Dec 28, 2014 at 11:04 PM, Akhil Das < >>>>>>> ak...@sigmoidanalytics.com> wrote: >>>>>>> >>>>>>>> Make sure you verify the following: >>>>>>>> >>>>>>>> - Scala version : I think the correct version would be 2.10.x >>>>>>>> - SparkMasterURL: Be sure that you copied the one displayed on the >>>>>>>> webui's top left corner (running on port 8080) >>>>>>>> >>>>>>>> Thanks >>>>>>>> Best Regards >>>>>>>> >>>>>>>> On Mon, Dec 29, 2014 at 12:26 PM, suhshekar52 < >>>>>>>> suhsheka...@gmail.com> wrote: >>>>>>>> >>>>>>>>> Hello Everyone, >>>>>>>>> >>>>>>>>> Thank you for the time and the help :). >>>>>>>>> >>>>>>>>> My goal here is to get this program working: >>>>>>>>> >>>>>>>>> https://github.com/apache/spark/blob/master/examples/scala-2.10/src/main/java/org/apache/spark/examples/streaming/JavaKafkaWordCount.java >>>>>>>>> >>>>>>>>> The only lines I do not have from the example are lines 62-67. >>>>>>>>> pom.xml >>>>>>>>> < >>>>>>>>> http://apache-spark-user-list.1001560.n3.nabble.com/file/n20879/pom.xml >>>>>>>>> > >>>>>>>>> >>>>>>>>> Background: Have ec2 instances running. The standalone spark is >>>>>>>>> running on >>>>>>>>> top of Cloudera Manager 5.2. >>>>>>>>> >>>>>>>>> Pom file is attached and the same for both clusters. >>>>>>>>> pom.xml >>>>>>>>> < >>>>>>>>> http://apache-spark-user-list.1001560.n3.nabble.com/file/n20879/pom.xml >>>>>>>>> > >>>>>>>>> >>>>>>>>> Here are a few different approaches I have taken and the issues I >>>>>>>>> run into: >>>>>>>>> >>>>>>>>> *Standalone Mode* >>>>>>>>> >>>>>>>>> 1) Use spark-submit script to run: >>>>>>>>> >>>>>>>>> >>>>>>>>> /opt/cloudera/parcels/CDH-5.2.1-1.cdh5.2.1.p0.12/lib/spark/bin/spark-submit >>>>>>>>> --class SimpleApp --master spark://10.0.1.230:7077 --jars $(echo >>>>>>>>> /home/ec2-user/sparkApps/SimpleApp/lib/*.jar | tr ' ' ',') >>>>>>>>> /home/ec2-user/sparkApps/SimpleApp/target/simple-project-1.0.jar >>>>>>>>> >>>>>>>>> Interesting...I was getting an error like this: Initial job has >>>>>>>>> not accepted >>>>>>>>> any resources; check your cluster UI >>>>>>>>> >>>>>>>>> Now, when I run, it prints out the 3 Hello world statements in my >>>>>>>>> code: >>>>>>>>> KafkaJavaConsumer.txt >>>>>>>>> < >>>>>>>>> http://apache-spark-user-list.1001560.n3.nabble.com/file/n20879/KafkaJavaConsumer.txt >>>>>>>>> > >>>>>>>>> >>>>>>>>> and then it seems to try to start the Kafka Stream, but fails: >>>>>>>>> >>>>>>>>> 14/12/29 05:58:05 INFO KafkaReceiver: Starting Kafka Consumer >>>>>>>>> Stream with >>>>>>>>> group: c1 >>>>>>>>> 14/12/29 05:58:05 INFO ReceiverTracker: Registered receiver for >>>>>>>>> stream 0 >>>>>>>>> from akka://sparkDriver >>>>>>>>> 14/12/29 05:58:05 INFO KafkaReceiver: Connecting to Zookeeper: >>>>>>>>> 10.0.1.232:2181 >>>>>>>>> 14/12/29 05:58:05 INFO BlockGenerator: Started block pushing thread >>>>>>>>> 14/12/29 05:58:05 INFO ReceiverSupervisorImpl: Stopping receiver >>>>>>>>> with >>>>>>>>> message: Error starting receiver 0: java.lang.NoClassDefFoundError: >>>>>>>>> scala/reflect/ClassManifest >>>>>>>>> 14/12/29 05:58:05 INFO ReceiverSupervisorImpl: Called receiver >>>>>>>>> onStop >>>>>>>>> 14/12/29 05:58:05 INFO ReceiverSupervisorImpl: Deregistering >>>>>>>>> receiver 0 >>>>>>>>> ^C14/12/29 05:58:05 ERROR ReceiverTracker: Deregistered receiver >>>>>>>>> for stream >>>>>>>>> 0: Error starting receiver 0 - java.lang.NoClassDefFoundError: >>>>>>>>> scala/reflect/ClassManifest >>>>>>>>> at >>>>>>>>> kafka.utils.Log4jController$.<init>(Log4jController.scala:29) >>>>>>>>> at >>>>>>>>> kafka.utils.Log4jController$.<clinit>(Log4jController.scala) >>>>>>>>> at kafka.utils.Logging$class.$init$(Logging.scala:29) >>>>>>>>> at >>>>>>>>> >>>>>>>>> kafka.utils.VerifiableProperties.<init>(VerifiableProperties.scala:26) >>>>>>>>> at >>>>>>>>> kafka.consumer.ConsumerConfig.<init>(ConsumerConfig.scala:94) >>>>>>>>> at >>>>>>>>> >>>>>>>>> org.apache.spark.streaming.kafka.KafkaReceiver.onStart(KafkaInputDStream.scala:96) >>>>>>>>> at >>>>>>>>> >>>>>>>>> org.apache.spark.streaming.receiver.ReceiverSupervisor.startReceiver(ReceiverSupervisor.scala:121) >>>>>>>>> at >>>>>>>>> >>>>>>>>> org.apache.spark.streaming.receiver.ReceiverSupervisor.start(ReceiverSupervisor.scala:106) >>>>>>>>> at >>>>>>>>> >>>>>>>>> org.apache.spark.streaming.scheduler.ReceiverTracker$ReceiverLauncher$$anonfun$9.apply(ReceiverTracker.scala:264) >>>>>>>>> at >>>>>>>>> >>>>>>>>> org.apache.spark.streaming.scheduler.ReceiverTracker$ReceiverLauncher$$anonfun$9.apply(ReceiverTracker.scala:257) >>>>>>>>> at >>>>>>>>> >>>>>>>>> org.apache.spark.SparkContext$$anonfun$runJob$4.apply(SparkContext.scala:1121) >>>>>>>>> at >>>>>>>>> >>>>>>>>> org.apache.spark.SparkContext$$anonfun$runJob$4.apply(SparkContext.scala:1121) >>>>>>>>> at >>>>>>>>> org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:62) >>>>>>>>> at org.apache.spark.scheduler.Task.run(Task.scala:54) >>>>>>>>> at >>>>>>>>> >>>>>>>>> org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:180) >>>>>>>>> at >>>>>>>>> >>>>>>>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) >>>>>>>>> at >>>>>>>>> >>>>>>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) >>>>>>>>> at java.lang.Thread.run(Thread.java:722) >>>>>>>>> Caused by: java.lang.ClassNotFoundException: >>>>>>>>> scala.reflect.ClassManifest >>>>>>>>> at java.net.URLClassLoader$1.run(URLClassLoader.java:366) >>>>>>>>> at java.net.URLClassLoader$1.run(URLClassLoader.java:355) >>>>>>>>> at java.security.AccessController.doPrivileged(Native >>>>>>>>> Method) >>>>>>>>> at >>>>>>>>> java.net.URLClassLoader.findClass(URLClassLoader.java:354) >>>>>>>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:423) >>>>>>>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:356) >>>>>>>>> ... 18 more >>>>>>>>> >>>>>>>>> 14/12/29 05:58:05 INFO ReceiverSupervisorImpl: Stopped receiver 0 >>>>>>>>> 14/12/29 05:58:05 INFO BlockGenerator: Stopping BlockGenerator >>>>>>>>> >>>>>>>>> I ran into a couple other Class not found errors, and was able to >>>>>>>>> solve them >>>>>>>>> by adding dependencies on the pom file, but have not found such a >>>>>>>>> solution >>>>>>>>> to this error. >>>>>>>>> >>>>>>>>> On the Kafka side of things, I am simply typing in messages as >>>>>>>>> soon as I >>>>>>>>> start the Java app on another console. Is this okay? >>>>>>>>> >>>>>>>>> I have not set up an advertised host on the kafka side as I was >>>>>>>>> able to >>>>>>>>> still receive messages from other consoles by setting up a >>>>>>>>> consumer to >>>>>>>>> listen to the private ip:port. Is this okay? >>>>>>>>> >>>>>>>>> Lastly, is there command, like --from-beginning for a consumer in >>>>>>>>> the java >>>>>>>>> application to get messages from the beginning? >>>>>>>>> >>>>>>>>> Thanks a lot for the help and happy holidays! >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> -- >>>>>>>>> View this message in context: >>>>>>>>> http://apache-spark-user-list.1001560.n3.nabble.com/Setting-up-Simple-Kafka-Consumer-via-Spark-Java-app-tp20879.html >>>>>>>>> Sent from the Apache Spark User List mailing list archive at >>>>>>>>> Nabble.com. >>>>>>>>> >>>>>>>>> >>>>>>>>> --------------------------------------------------------------------- >>>>>>>>> To unsubscribe, e-mail: user-unsubscr...@spark.apache.org >>>>>>>>> For additional commands, e-mail: user-h...@spark.apache.org >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>> >> >