Github user hsaputra commented on a diff in the pull request: https://github.com/apache/incubator-spark/pull/625#discussion_r9955979 --- Diff: core/src/main/scala/org/apache/spark/deploy/ClientArguments.scala --- @@ -115,3 +110,7 @@ private[spark] class ClientArguments(args: Array[String]) { System.exit(exitCode) } } + +object ClientArguments { + def isValidJarUrl(s: String) = s.matches("(.+):(.+)jar") --- End diff -- Ah, I did not know Hadoop is ok with file:/ pattern, I always use file:// Thanks for the response, @pwendell But we do want URL instead of URI for the JAR path location I suppose. So this PR is just to "relax" java.net.URL requirement to have the double slashes? If that is the case, then maybe we could update the comment to include the ones without "//" e.g. hdfs://XX.jar, file:/XX.jar, file:XX.jar Sorry about the questions for this small PR, just wanted to know more about the reasoning. Always nervous whenever we add custom URL/ URI validation.
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