dongjoon-hyun commented on a change in pull request #26530: [SPARK-25694][SQL] 
Add a config for `URL.setURLStreamHandlerFactory`
URL: https://github.com/apache/spark/pull/26530#discussion_r346653033
 
 

 ##########
 File path: 
sql/core/src/main/scala/org/apache/spark/sql/internal/SharedState.scala
 ##########
 @@ -185,11 +187,26 @@ private[sql] class SharedState(
 }
 
 object SharedState extends Logging {
-  try {
-    URL.setURLStreamHandlerFactory(new FsUrlStreamHandlerFactory())
-  } catch {
-    case e: Error =>
-      logWarning("URL.setURLStreamHandlerFactory failed to set 
FsUrlStreamHandlerFactory")
+  @volatile private var factory: Option[FsUrlStreamHandlerFactory] = None
+  private lazy val defaultFactory = new FsUrlStreamHandlerFactory()
+  private def setFsUrlStreamHandlerFactory(conf: SparkConf): Unit = {
+    factory match {
+      case Some(_) =>
+        logWarning("FsUrlStreamHandlerFactory has been already initialized, " +
+          "so it can not be modified")
+      case None => synchronized {
+        try {
+          if (conf.getBoolean("spark.fsUrlStreamHandlerFactory.enabled", 
true)) {
 
 Review comment:
   I updated the PR description to give more context.

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
[email protected]


With regards,
Apache Git Services

---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]

Reply via email to