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Assertion failed: received sequence number doesn't match request sequence number

See original GitHub issue

Hi, I use 2.3.2-SNAPSHOT version, running a spark applications shows following error, I am using namespace: “wascl-nam” ,name: “wasclmonitors” Event Hub.

18/05/04 01:45:26 WARN TaskSetManager: Lost task 0.0 in stage 2.0 (TID 75,, executor 12): java.lang.AssertionError: assertion failed: requestSeqNo 443495453 does not match the received sequence number 443872987
	at scala.Predef$.assert(Predef.scala:170)
	at org.apache.spark.eventhubs.client.CachedEventHubsReceiver$.receive(CachedEventHubsReceiver.scala:118)
	at org.apache.spark.eventhubs.rdd.EventHubsRDD$
	at org.apache.spark.eventhubs.rdd.EventHubsRDD$
	at scala.collection.Iterator$$anon$12.nextCur(Iterator.scala:434)
	at scala.collection.Iterator$$anon$12.hasNext(Iterator.scala:440)
	at org.apache.spark.rdd.RDD.getOrCompute(RDD.scala:334)
	at org.apache.spark.rdd.RDD.iterator(RDD.scala:285)
	at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323)
	at org.apache.spark.rdd.RDD.iterator(RDD.scala:287)
	at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:96)
	at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:53)
	at org.apache.spark.executor.Executor$
	at java.util.concurrent.ThreadPoolExecutor.runWorker(
	at java.util.concurrent.ThreadPoolExecutor$

Issue Analytics

  • State:closed
  • Created 5 years ago
  • Comments:25 (13 by maintainers)

github_iconTop GitHub Comments

Alexkuvacommented, Sep 18, 2018

I tried the solution is working for me. Using Eventhub or IotHub as entrance. I used the following connectors:

  • azure-eventhubs-spark_2.11-2.3.4
  • azure-cosmosdb-spark_2.3.0_2.11-1.2.0 (not directly with Maven, by import uber jar

Thank you for the release.

sabeegrewalcommented, Aug 22, 2018

Hey @ogidogi - it’s true that the message printing out is similar but the code is all quite different. But, yea, this is the only bug I’ve found in the current release - I’m fixing it now!

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