[jira] [Created] (SPARK-28202) [Core] [Test] Avoid noises of system props in SparkConfSuite

["ShuMing Li (JIRA)" <ji...@apache.org>]

ShuMing Li created SPARK-28202:
----------------------------------

             Summary: [Core] [Test] Avoid noises of system props in SparkConfSuite
                 Key: SPARK-28202
                 URL: https://issues.apache.org/jira/browse/SPARK-28202
             Project: Spark
          Issue Type: Test
          Components: Spark Core
    Affects Versions: 3.0.0
            Reporter: ShuMing Li


When SPARK_HOME of env is set and contains a specific `spark-defaults,conf`, `org.apache.spark.util.loadDefaultSparkProperties` method may noise `system props`. So when runs `core/test` module, it is possible to fail to run `SparkConfSuite` .

 

It's easy to repair by setting `loadDefaults` in `SparkConf` to be false.

```

[info] - accumulators (5 seconds, 565 milliseconds)
[info] - deprecated configs *** FAILED *** (79 milliseconds)
[info] 7 did not equal 4 (SparkConfSuite.scala:266)
[info] org.scalatest.exceptions.TestFailedException:
[info] at org.scalatest.Assertions.newAssertionFailedException(Assertions.scala:528)
[info] at org.scalatest.Assertions.newAssertionFailedException$(Assertions.scala:527)
[info] at org.scalatest.FunSuite.newAssertionFailedException(FunSuite.scala:1560)
[info] at org.scalatest.Assertions$AssertionsHelper.macroAssert(Assertions.scala:501)
[info] at org.apache.spark.SparkConfSuite.$anonfun$new$26(SparkConfSuite.scala:266)
[info] at org.scalatest.OutcomeOf.outcomeOf(OutcomeOf.scala:85)
[info] at org.scalatest.OutcomeOf.outcomeOf$(OutcomeOf.scala:83)
[info] at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
[info] at org.scalatest.Transformer.apply(Transformer.scala:22)
[info] at org.scalatest.Transformer.apply(Transformer.scala:20)
[info] at org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:186)
[info] at org.apache.spark.SparkFunSuite.withFixture(SparkFunSuite.scala:149)
[info] at org.scalatest.FunSuiteLike.invokeWithFixture$1(FunSuiteLike.scala:184)
[info] at org.scalatest.FunSuiteLike.$anonfun$runTest$1(FunSuiteLike.scala:196)
[info] at org.scalatest.SuperEngine.runTestImpl(Engine.scala:289)

```



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