Github user weiqingy commented on a diff in the pull request:
https://github.com/apache/spark/pull/17342#discussion_r110511571
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/internal/SharedState.scala ---
@@ -148,6 +149,8 @@ private[sql] class SharedState(val sparkContext:
SparkContext) extends Logging {
object SharedState {
+ URL.setURLStreamHandlerFactory(new SparkUrlStreamHandlerFactory())
--- End diff --
In a [prior PR](https://github.com/apache/spark/pull/16324),
FsUrlStreamHandlerFactory is set to JVM URL class directly. @gatorsmile raised
a concern that `URL.setURLStreamHandlerFactory` can be called only once per
JVM, and that is the motivation of this PR. Either one is OK for me; however
we've got to choose one.
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