Github user xuanyuanking commented on a diff in the pull request:
https://github.com/apache/spark/pull/22989#discussion_r232984147
--- Diff:
mllib/src/test/scala/org/apache/spark/ml/feature/VectorIndexerSuite.scala ---
@@ -283,7 +283,9 @@ class VectorIndexerSuite extends MLTest with
DefaultReadWriteTest with Logging {
points.zip(rows.map(_(0))).foreach {
case (orig: SparseVector, indexed: SparseVector) =>
assert(orig.indices.length == indexed.indices.length)
- case _ => throw new UnknownError("Unit test has a bug in it.")
// should never happen
+ case _ =>
+ // should never happen
+ throw new IllegalAccessException("Unit test has a bug in it.")
--- End diff --
Thanks, done in a4f49ce by just `fail` here.
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