viirya commented on pull request #32519:
URL: https://github.com/apache/spark/pull/32519#issuecomment-839531906
> I don't think this is true though .. it's just a short cut of
`java.lang.RuntimeException`.
Oh, yea, you're right.
```scala
package object sys {
/**
viirya commented on pull request #32519:
URL: https://github.com/apache/spark/pull/32519#issuecomment-839505432
cc @cloud-fan
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