Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/11721#discussion_r56263000
--- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala ---
@@ -374,12 +374,6 @@ class SparkContext(config: SparkConf) extends Logging
with ExecutorAllocationCli
throw new SparkException("An application name must be set in your
configuration")
}
- // System property spark.yarn.app.id must be set if user code ran by
AM on a YARN cluster
- if (master == "yarn" && deployMode == "cluster" &&
!_conf.contains("spark.yarn.app.id")) {
--- End diff --
Hmm, this was introduced so that people don't try `new SparkContext(new
SparkConf().setMaster("yarn-cluster"))` and then complain when they get really
odd error messages.
Is there another way to do this check?
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