Github user fangshil commented on a diff in the pull request:
https://github.com/apache/spark/pull/21276#discussion_r187518454
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -2715,6 +2715,66 @@ private[spark] object Utils extends Logging {
HashCodes.fromBytes(secretBytes).toString()
}
+ /**
+ * A safer version than scala obj's getClass.getSimpleName and
Utils.getFormattedClassName
+ * which may throw Malformed class name error.
+ * This method mimicks scalatest's getSimpleNameOfAnObjectsClass.
+ */
+ def getSimpleName(fullyQualifiedName: String): String = {
--- End diff --
a if statement to determine if the name is good or not may not be stable
and comprehensive - how about we use try-catch here and only use the
alternative if obj.getClass.getSimpleName throws the Malformed class name error
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