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Posted to issues@spark.apache.org by "Jungtaek Lim (Jira)" <ji...@apache.org> on 2019/08/27 10:19:00 UTC
[jira] [Commented] (SPARK-24663) Flaky test: StreamingContextSuite
"stop slow receiver gracefully"
[ https://issues.apache.org/jira/browse/SPARK-24663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16916579#comment-16916579 ]
Jungtaek Lim commented on SPARK-24663:
--------------------------------------
Hit this again.
[https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/109802/testReport]
> Flaky test: StreamingContextSuite "stop slow receiver gracefully"
> -----------------------------------------------------------------
>
> Key: SPARK-24663
> URL: https://issues.apache.org/jira/browse/SPARK-24663
> Project: Spark
> Issue Type: Bug
> Components: Tests
> Affects Versions: 2.4.0
> Reporter: Marcelo Vanzin
> Priority: Minor
>
> This is another test that sometimes fails on our build machines, although I can't find failures on the riselab jenkins servers. Failure looks like:
> {noformat}
> org.scalatest.exceptions.TestFailedException: 0 was not greater than 0
> at org.scalatest.Assertions$class.newAssertionFailedException(Assertions.scala:500)
> at org.scalatest.FunSuite.newAssertionFailedException(FunSuite.scala:1555)
> at org.scalatest.Assertions$AssertionsHelper.macroAssert(Assertions.scala:466)
> at org.apache.spark.streaming.StreamingContextSuite$$anonfun$24.apply$mcV$sp(StreamingContextSuite.scala:356)
> at org.apache.spark.streaming.StreamingContextSuite$$anonfun$24.apply(StreamingContextSuite.scala:335)
> at org.apache.spark.streaming.StreamingContextSuite$$anonfun$24.apply(StreamingContextSuite.scala:335)
> {noformat}
> The test fails in about 2s, while a successful run generally takes 15s. Looking at the logs, the receiver hasn't even started when things fail, which points at a race during test initialization.
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