Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/23102#discussion_r235821628
--- Diff: core/src/main/scala/org/apache/spark/deploy/DependencyUtils.scala
---
@@ -61,11 +62,12 @@ private[deploy] object DependencyUtils extends Logging {
hadoopConf: Configuration,
secMgr: SecurityManager): String = {
val targetDir = Utils.createTempDir()
+ val fileSeparator = Pattern.quote(System.getProperty("file.separator"))
Option(jars)
.map {
resolveGlobPaths(_, hadoopConf)
.split(",")
- .filterNot(_.contains(userJar.split("/").last))
+ .filterNot(_.contains(userJar.split(fileSeparator).last))
--- End diff --
Just split on `File.separator`, not a regex.
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