Github user weiqingy commented on a diff in the pull request:
https://github.com/apache/spark/pull/17342#discussion_r107215428
--- 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 --
Say one day we need to support a third-party file system named "shaofs",
who provides a ShaoUrlStreamHandlerFactory. We cannot set both
FsUrlStreamHandlerFactory and ShaoUrlStreamHandlerFactory to JVM, but we can
set SparkUrlStreamHandlerFactory which deliver commands to
ShaoUrlStreamHandlerFactory and FsUrlStreamHandlerFactory accordingly.
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