From e2bffa4347843022fba294b31ea7957cabd2031c Mon Sep 17 00:00:00 2001
From: manuzhang <owenzhang1990@gmail.com>
Date: Tue, 21 Feb 2017 10:24:17 +0800
Subject: [PATCH] [GEARPUMP-272] Fix app submit exception when no arguments
 provided

---
 .../org/apache/gearpump/cluster/main/AppSubmitter.scala      | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/core/src/main/scala/org/apache/gearpump/cluster/main/AppSubmitter.scala b/core/src/main/scala/org/apache/gearpump/cluster/main/AppSubmitter.scala
index 1aa449eed..79f31eb9f 100644
--- a/core/src/main/scala/org/apache/gearpump/cluster/main/AppSubmitter.scala
+++ b/core/src/main/scala/org/apache/gearpump/cluster/main/AppSubmitter.scala
@@ -95,17 +95,18 @@ object AppSubmitter extends AkkaApp with ArgumentsParser {
     } else {
       val mainInManifest =
         new JarFile(jar).getManifest.getMainAttributes.getValue("Main-Class")
+      val args = remainArgs.mkString(" ")
       Try(classLoader.loadClass(mainInManifest)) match {
         case Success(_) =>
           // scalastyle:off println
           Console.println(
-            s"""Can't load main class ${remainArgs.head} in arguments;
+            s"""Can't load main class in arguments $args
               |Loading $mainInManifest in manifest""".stripMargin)
           // scalastyle:on println
           (mainInManifest, remainArgs)
         case Failure(_) =>
           throw new IllegalArgumentException(
-            s"Can't load main class ${remainArgs.head} in arguments or $mainInManifest in manifest")
+            s"Can't load main class in arguments $args or $mainInManifest in manifest")
       }
     }
   }