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_r347174712
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/internal/SharedState.scala
##########
@@ -191,13 +194,26 @@ private[sql] class SharedState(
}
object SharedState extends Logging {
- try {
- URL.setURLStreamHandlerFactory(new FsUrlStreamHandlerFactory())
- } catch {
- case e: Error =>
- logWarning("URL.setURLStreamHandlerFactory failed to set
FsUrlStreamHandlerFactory")
+ private def setFsUrlStreamHandlerFactory(conf: SparkConf): Unit = {
+ if (conf.get(DEFAULT_URL_STREAM_HANDLER_FACTORY_ENABLED) &&
factory.isEmpty) {
+ synchronized {
+ if (factory.isEmpty) {
+ try {
+ URL.setURLStreamHandlerFactory(defaultFactory)
+ factory = Some(defaultFactory)
+ } catch {
+ case NonFatal(_) =>
+ logWarning("URL.setURLStreamHandlerFactory failed to set
FsUrlStreamHandlerFactory")
Review comment:
To keep the original behavior, we don't print `java.lang.Error: factory
already defined`.
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