[SPARK-5176] The thrift server does not support cluster mode

Output an error message if the thrift server is started in cluster mode.

Author: Tom Panning <tom.panning@nextcentury.com>

Closes #4137 from tpanningnextcen/spark-5176-thrift-cluster-mode-error and squashes the following commits:

f5c0509 [Tom Panning] [SPARK-5176] The thrift server does not support cluster mode

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

@@ -144,6 +144,8 @@ object SparkSubmit {
         printErrorAndExit("Cluster deploy mode is not applicable to Spark shells.")
       case (_, CLUSTER) if isSqlShell(args.mainClass) =>
         printErrorAndExit("Cluster deploy mode is not applicable to Spark SQL shell.")
+      case (_, CLUSTER) if isThriftServer(args.mainClass) =>
+        printErrorAndExit("Cluster deploy mode is not applicable to Spark Thrift server.")
       case _ =>
     }
 
@@ -408,6 +410,13 @@ object SparkSubmit {
     mainClass == "org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver"
   }
 
+  /**
+   * Return whether the given main class represents a thrift server.
+   */
+  private[spark] def isThriftServer(mainClass: String): Boolean = {
+    mainClass == "org.apache.spark.sql.hive.thriftserver.HiveThriftServer2"
+  }
+
   /**
    * Return whether the given primary resource requires running python.
    */

sbin/start-thriftserver.sh

@@ -26,6 +26,8 @@ set -o posix
 # Figure out where Spark is installed
 FWDIR="$(cd "`dirname "$0"`"/..; pwd)"
 
+# NOTE: This exact class name is matched downstream by SparkSubmit.
+# Any changes need to be reflected there.
 CLASS="org.apache.spark.sql.hive.thriftserver.HiveThriftServer2"
 
 function usage {