Github user weiqingy commented on a diff in the pull request:
https://github.com/apache/spark/pull/17342#discussion_r107069396
--- 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 --
We can simply call `URL.setURLStreamHandlerFactory(new
FsUrlStreamHandlerFactory())
` and everything works happily. The only problem is,
`URL.setURLStreamHandlerFactory` can only be called once per JVM (check javadoc
of URL class), and if we want to support more stream handlers in the future, we
wouldn't be able to call `URL.setURLStreamHandlerFactory` again. It's like you
only have one wall plug but you have several laptops and you'll have to use a
power strip.
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