Github user rekhajoshm commented on the pull request:
https://github.com/apache/spark/pull/6973#issuecomment-115825750
thanks @srowen for your inputs.I had missed capturing exception on
fail.updated(12f66b5).try/catch/fail(e) seems to be accepted practice when
failing on exception.Used org.scalatest.Matchers "noException should be
thrownBy" if that is preferred (1aff39c).Or please let me know if you have
another preference.
```
import org.scalatest.Matchers._
noException should be thrownBy {
sc = new SparkContext(new
SparkConf().setAppName("test").setMaster("local"))
val cnt = sc.parallelize(1 to 4).count()
sc.cancelAllJobs()
sc.stop()
// call stop second time
sc.stop()
}
```
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