Github user aarondav commented on a diff in the pull request:
https://github.com/apache/incubator-spark/pull/625#discussion_r9938103
--- 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 --
"^" is technically not needed since matches is full-string anyway
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