Github user kanzhang commented on a diff in the pull request:
https://github.com/apache/spark/pull/6774#discussion_r32445194
--- Diff: core/src/main/scala/org/apache/spark/SecurityManager.scala ---
@@ -365,10 +365,12 @@ private[spark] class SecurityManager(sparkConf:
SparkConf)
cookie
} else {
// user must have set spark.authenticate.secret config
- sparkConf.getOption("spark.authenticate.secret") match {
+ // For Master/Worker, auth secret is in conf; for Executors, it is
in env variable
+ sys.env.get(SecurityManager.ENV_AUTH_SECRET)
+
.orElse(sparkConf.getOption(SecurityManager.SPARK_AUTH_SECRET_CONF)) match {
case Some(value) => value
case None => throw new Exception("Error: a secret key must be
specified via the " +
--- End diff --
SparkException?
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