[SPARK-26732] Flaky test: SparkContextInfoSuite.getRDDStorageInfo only reports on RDDs that actually persist data

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.3.2, 2.4.0, 3.0.0
• Fix Version/s: 2.3.3, 2.4.1, 3.0.0
• Component/s: Tests
• Assignee: Marcelo Masiero Vanzin
• Reporter: Marcelo Masiero Vanzin
• Created: 25/Jan/19 22:13
• Updated: 30/Jan/19 15:14
• Resolved: 30/Jan/19 15:14

Description

From https://amplab.cs.berkeley.edu/jenkins/job/spark-master-test-sbt-hadoop-2.7/5437/testReport/junit/org.apache.spark/SparkContextInfoSuite/getRDDStorageInfo_only_reports_on_RDDs_that_actually_persist_data/:

Error Message
org.scalatest.exceptions.TestFailedException: 0 did not equal 1
Stacktrace
sbt.ForkMain$ForkError: org.scalatest.exceptions.TestFailedException: 0 did not equal 1
	at org.scalatest.Assertions.newAssertionFailedException(Assertions.scala:528)
	at org.scalatest.Assertions.newAssertionFailedException$(Assertions.scala:527)
	at org.scalatest.FunSuite.newAssertionFailedException(FunSuite.scala:1560)
	at org.scalatest.Assertions$AssertionsHelper.macroAssert(Assertions.scala:501)
	at org.apache.spark.SparkContextInfoSuite.$anonfun$new$3(SparkContextInfoSuite.scala:63)

Issue Links

• links to: GitHub Pull Request #23654