Handle extraJavaOpts properly

Author: andrewor14

core/src/main/scala/org/apache/spark/deploy/Client.scala

@@ -61,7 +61,8 @@ private class ClientActor(driverArgs: ClientArguments, conf: SparkConf) extends
         }
 
         val extraJavaOptsConf = "spark.driver.extraJavaOptions"
-        val extraJavaOpts = sys.props.get(extraJavaOptsConf).toSeq
+        val extraJavaOpts = sys.props.get(extraJavaOptsConf)
+          .map(Utils.splitCommandString).getOrElse(Seq.empty)
         val sparkJavaOpts = Utils.sparkJavaOpts(conf)
         val javaOpts = sparkJavaOpts ++ extraJavaOpts
         val command = new Command(mainClass, Seq("{{WORKER_URL}}", driverArgs.mainClass) ++

core/src/main/scala/org/apache/spark/scheduler/cluster/SparkDeploySchedulerBackend.scala

@@ -45,7 +45,8 @@ private[spark] class SparkDeploySchedulerBackend(
       conf.get("spark.driver.host"), conf.get("spark.driver.port"),
       CoarseGrainedSchedulerBackend.ACTOR_NAME)
     val args = Seq(driverUrl, "{{EXECUTOR_ID}}", "{{HOSTNAME}}", "{{CORES}}", "{{WORKER_URL}}")
-    val extraJavaOpts = sc.conf.getOption("spark.executor.extraJavaOptions").toSeq
+    val extraJavaOpts = sc.conf.getOption("spark.executor.extraJavaOptions")
+      .map(Utils.splitCommandString).getOrElse(Seq.empty)
     val classPathEntries = sc.conf.getOption("spark.executor.extraClassPath").toSeq.flatMap { cp =>
       cp.split(java.io.File.pathSeparator)
     }