[SPARK-23345] Flaky test: FileBasedDataSourceSuite

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.4.0
• Fix Version/s: 2.3.0
• Component/s: SQL, Tests
• Assignee: L. C. Hsieh
• Reporter: Marcelo Masiero Vanzin
• Created: 06/Feb/18 18:42
• Updated: 07/Feb/18 17:49
• Resolved: 07/Feb/18 17:49

Description

See at least once:
https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/87114/testReport/junit/org.apache.spark.sql/FileBasedDataSourceSuite/_It_is_not_a_test_it_is_a_sbt_testing_SuiteSelector_/

Error Message
org.scalatest.exceptions.TestFailedDueToTimeoutException: The code passed to eventually never returned normally. Attempted 650 times over 10.011358752 seconds. Last failure message: There are 1 possibly leaked file streams..

Stacktrace
sbt.ForkMain$ForkError: org.scalatest.exceptions.TestFailedDueToTimeoutException: The code passed to eventually never returned normally. Attempted 650 times over 10.011358752 seconds. Last failure message: There are 1 possibly leaked file streams..
	at org.scalatest.concurrent.Eventually$class.tryTryAgain$1(Eventually.scala:421)
	at org.scalatest.concurrent.Eventually$class.eventually(Eventually.scala:439)
	at org.apache.spark.sql.FileBasedDataSourceSuite.eventually(FileBasedDataSourceSuite.scala:26)
	at org.scalatest.concurrent.Eventually$class.eventually(Eventually.scala:337)
	at org.apache.spark.sql.FileBasedDataSourceSuite.eventually(FileBasedDataSourceSuite.scala:26)
	at org.apache.spark.sql.test.SharedSparkSession$class.afterEach(SharedSparkSession.scala:114)
	at org.apache.spark.sql.FileBasedDataSourceSuite.afterEach(FileBasedDataSourceSuite.scala:26)
	at org.scalatest.BeforeAndAfterEach$$anonfun$1.apply$mcV$sp(BeforeAndAfterEach.scala:234)

Log file is too large to attach here, though.

Issue Links

• links to: [Github] Pull Request #20524 (viirya)