Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/848#discussion_r12923791
--- Diff:
yarn/common/src/main/scala/org/apache/spark/deploy/yarn/ClientBase.scala ---
@@ -479,37 +485,24 @@ object ClientBase {
extraClassPath.foreach(addClasspathEntry)
- addClasspathEntry(Environment.PWD.$())
+ val cachedSecondaryJarLinks =
+
sparkConf.getOption(CONF_SPARK_YARN_SECONDARY_JARS).getOrElse("").split(",")
// Normally the users app.jar is last in case conflicts with spark jars
if (sparkConf.get("spark.yarn.user.classpath.first",
"false").toBoolean) {
--- End diff --
`spark.files.userClassPath` is a global configuration that controls the
ordering of dynamically added jars, while `spark.yarn.user.classpath.first` is
only for YARN. I agree it is a little confusing, but this is independent of
this PR. We can create a new JIRA for it.
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