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[HOTFIX] Bind web UI to ephemeral port in DriverSuite #3873

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[HOTFIX] Bind web UI to ephemeral port in DriverSuite #3873

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5 changes: 4 additions & 1 deletion core/src/test/scala/org/apache/spark/DriverSuite.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,10 @@ class DriverSuite extends FunSuite with Timeouts {
object DriverWithoutCleanup {
def main(args: Array[String]) {
Utils.configTestLog4j("INFO")
val sc = new SparkContext(args(0), "DriverWithoutCleanup")
// Bind the web UI to an ephemeral port in order to avoid conflicts with other tests running on
// the same machine (we shouldn't just disable the UI here, since that might mask bugs):
val conf = new SparkConf().set("spark.ui.port", "0")
val sc = new SparkContext(args(0), "DriverWithoutCleanup", conf)
sc.parallelize(1 to 100, 4).count()
}
}