dbtsai 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_r347193708
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/internal/SharedState.scala
##########
@@ -191,11 +195,18 @@ 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 val fsUrlStreamHandlerFactoryInitialized = new AtomicBoolean(false)
+
+ private def setFsUrlStreamHandlerFactory(conf: SparkConf): Unit = {
+ if (conf.get(DEFAULT_URL_STREAM_HANDLER_FACTORY_ENABLED) &&
+ fsUrlStreamHandlerFactoryInitialized.compareAndSet(false, true)) {
+ try {
+ URL.setURLStreamHandlerFactory(new FsUrlStreamHandlerFactory())
Review comment:
Or the other way we can possibly do by using `AtomicBoolean` is having the
`try catch` block moved into
```scala
fsUrlStreamHandlerFactoryInitialized.getAndSet {
...
true
}
```
so it will be guarded.
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