Github user yaooqinn commented on a diff in the pull request:
https://github.com/apache/spark/pull/20145#discussion_r159587396
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/hive/HiveUtilsSuite.scala ---
@@ -42,4 +47,41 @@ class HiveUtilsSuite extends QueryTest with SQLTestUtils
with TestHiveSingleton
assert(hiveConf("foo") === "bar")
}
}
+
+ test("ChildFirstURLClassLoader's parent is null") {
--- End diff --
just indicates that if we don't handle child first classloader's parent, we
will get caught in exception. if it bothers, i can del it
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