Github user hsaputra commented on a diff in the pull request:
https://github.com/apache/incubator-spark/pull/625#discussion_r9939595
--- 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 --
Should we also check for "//" in the String to prevent something like
"hdfs:test.jar"?
Something like: s.matches("(.+)://([^/]+)jar")
Tried with REPL:
val s = "hdfs://test.jar"
s: java.lang.String = hdfs://test.jar
s.matches("(.+)://([^/]+)jar")
res3: Boolean = true
s.matches("(.+):(.+)jar")
res4: Boolean = true
val s2 = "hdfs:test.jar"
s2: java.lang.String = hdfs:test.jar
s2.matches("(.+)://(.+)jar")
res5: Boolean = false
s2.matches("(.+):(.+)jar")
res6: Boolean = true
We do not want dfs:test.jar to be true.
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