Github user advancedxy commented on a diff in the pull request:
https://github.com/apache/spark/pull/1504#discussion_r15208849
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/json/JsonRDD.scala
---
@@ -239,9 +239,9 @@ private[sql] object JsonRDD extends Logging {
// .map(identity) is used as a workaround of non-serializable Map
// generated by .mapValues.
// This issue is documented at
https://issues.scala-lang.org/browse/SI-7005
- map.toMap.mapValues(scalafy).map(identity)
+ JMapWrapper(map).mapValues(scalafy).map(identity)
--- End diff --
Just a little notice: `.asScala` returns mutable collections. Maybe that's
not what you want.
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