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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, wn0-lam-ag.ifckrjhhuanelgm1hrygboricd.xx.internal.cloudapp.net, executor 12): java.lang.AssertionError: assertion failed: requestSeqNo 443495453 does not match the received sequence number 443872987
	at scala.Predef$.assert(Predef.scala:170)
	at org.apache.spark.eventhubs.client.CachedEventHubsReceiver.org$apache$spark$eventhubs$client$CachedEventHubsReceiver$$receive(CachedEventHubsReceiver.scala:89)
	at org.apache.spark.eventhubs.client.CachedEventHubsReceiver$.receive(CachedEventHubsReceiver.scala:118)
	at org.apache.spark.eventhubs.rdd.EventHubsRDD$EventHubsRDDIterator.next(EventHubsRDD.scala:124)
	at org.apache.spark.eventhubs.rdd.EventHubsRDD$EventHubsRDDIterator.next(EventHubsRDD.scala:103)
	at scala.collection.Iterator$$anon$12.nextCur(Iterator.scala:434)
	at scala.collection.Iterator$$anon$12.hasNext(Iterator.scala:440)
	at org.apache.spark.storage.memory.MemoryStore.putIteratorAsBytes(MemoryStore.scala:371)
	at org.apache.spark.storage.BlockManager$$anonfun$doPutIterator$1.apply(BlockManager.scala:1055)
	at org.apache.spark.storage.BlockManager$$anonfun$doPutIterator$1.apply(BlockManager.scala:1029)
	at org.apache.spark.storage.BlockManager.doPut(BlockManager.scala:969)
	at org.apache.spark.storage.BlockManager.doPutIterator(BlockManager.scala:1029)
	at org.apache.spark.storage.BlockManager.getOrElseUpdate(BlockManager.scala:760)
	at org.apache.spark.rdd.RDD.getOrCompute(RDD.scala:334)
	at org.apache.spark.rdd.RDD.iterator(RDD.scala:285)
	at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323)
	at org.apache.spark.rdd.RDD.iterator(RDD.scala:287)
	at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:96)
	at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:53)
	at org.apache.spark.scheduler.Task.run(Task.scala:108)
	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:338)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

Issue Analytics

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

Top GitHub Comments

1reaction

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.

1reaction

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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