Github user jerryshao commented on a diff in the pull request:
https://github.com/apache/spark/pull/10332#discussion_r47909261
--- Diff:
core/src/main/scala/org/apache/spark/deploy/rest/mesos/MesosRestServer.scala ---
@@ -94,7 +94,12 @@ private[mesos] class MesosSubmitRequestServlet(
val driverMemory = sparkProperties.get("spark.driver.memory")
val driverCores = sparkProperties.get("spark.driver.cores")
val appArgs = request.appArgs
- val environmentVariables = request.environmentVariables
+ // We don't want to pass down SPARK_HOME when launching Spark apps
+ // with Mesos cluster mode since it's populated by default on the
client and it will
+ // cause spark-submit script to look for files in SPARK_HOME instead.
+ // We only need the ability to specify where to find spark-submit
script
+ // which user can user spark.executor.home or spark.home
configurations.
+ val environmentVariables =
request.environmentVariables.filter(!_.equals("SPARK_HOME"))
--- End diff --
That's really the problem, I think we should fix this.
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