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https://issues.apache.org/jira/browse/SPARK-28247?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-28247.
-------------------------------
Resolution: Fixed
Assignee: Jungtaek Lim
Fix Version/s: 3.0.0
Resolved by https://github.com/apache/spark/pull/25048
> Flaky test: "query without test harness" in ContinuousSuite
> -----------------------------------------------------------
>
> Key: SPARK-28247
> URL: https://issues.apache.org/jira/browse/SPARK-28247
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming
> Affects Versions: 3.0.0
> Reporter: Jungtaek Lim
> Assignee: Jungtaek Lim
> Priority: Major
> Fix For: 3.0.0
>
>
> This test has failed a few times in some PRs, as well as easy to reproduce
> locally. Example of a failure:
> {noformat}
> [info] - query without test harness *** FAILED *** (2 seconds, 931
> milliseconds)
> [info] scala.Predef.Set.apply[Int](0, 1, 2,
> 3).map[org.apache.spark.sql.Row,
> scala.collection.immutable.Set[org.apache.spark.sql.Row]](((x$3: Int) =>
> org.apache.spark.sql.Row.apply(x$3)))(immutable.this.Set.canBuildFrom[org.apache.spark.sql.Row]).subsetOf(scala.Predef.refArrayOps[org.apache.spark.sql.Row](results).toSet[org.apache.spark.sql.Row])
> was false
> (ContinuousSuite.scala:226){noformat}
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