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Posted to issues@spark.apache.org by "Phil Kallos (JIRA)" <ji...@apache.org> on 2015/10/19 23:03:27 UTC
[jira] [Created] (SPARK-11193) Spark 1.5+ Kinesis Streaming -
ClassCastException when starting KinesisReceiver
Phil Kallos created SPARK-11193:
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Summary: Spark 1.5+ Kinesis Streaming - ClassCastException when starting KinesisReceiver
Key: SPARK-11193
URL: https://issues.apache.org/jira/browse/SPARK-11193
Project: Spark
Issue Type: Bug
Components: Streaming
Affects Versions: 1.5.1, 1.5.0
Reporter: Phil Kallos
After upgrading from Spark 1.4.x -> 1.5.x, I am now unable to start a Kinesis Spark Streaming application, and am being consistently greeted with this exception:
java.lang.ClassCastException: scala.collection.mutable.HashMap cannot be cast to scala.collection.mutable.SynchronizedMap
at org.apache.spark.streaming.kinesis.KinesisReceiver.onStart(KinesisReceiver.scala:175)
at org.apache.spark.streaming.receiver.ReceiverSupervisor.startReceiver(ReceiverSupervisor.scala:148)
at org.apache.spark.streaming.receiver.ReceiverSupervisor.start(ReceiverSupervisor.scala:130)
at org.apache.spark.streaming.scheduler.ReceiverTracker$ReceiverTrackerEndpoint$$anonfun$9.apply(ReceiverTracker.scala:542)
at org.apache.spark.streaming.scheduler.ReceiverTracker$ReceiverTrackerEndpoint$$anonfun$9.apply(ReceiverTracker.scala:532)
at org.apache.spark.SparkContext$$anonfun$38.apply(SparkContext.scala:1982)
at org.apache.spark.SparkContext$$anonfun$38.apply(SparkContext.scala:1982)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66)
at org.apache.spark.scheduler.Task.run(Task.scala:88)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Worth noting that I am able to reproduce this issue locally, and also on Amazon EMR (using the latest emr-release 4.1.0 which packages Spark 1.5.0).
Also, I am not able to run the included kinesis-asl example.
Built locally using:
git checkout v1.5.1
mvn -Pyarn -Pkinesis-asl -Phadoop-2.6 -DskipTests clean package
Example run command:
bin/run-example streaming.KinesisWordCountASL phibit-test kinesis-connector https://kinesis.us-east-1.amazonaws.com
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