From b2532663babcf4ef4560fb8067b922e61638679e Mon Sep 17 00:00:00 2001
From: Vidura Mudalige <vidura.mudalige@kohls.com>
Date: Wed, 3 Oct 2018 20:43:44 +0530
Subject: [PATCH] YARN-6416. SIGNAL_CMD argument number is wrong

---
 .../java/org/apache/hadoop/yarn/client/cli/ApplicationCLI.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/ApplicationCLI.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/ApplicationCLI.java
index b0e12bc3398af..d4708c6964065 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/ApplicationCLI.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/ApplicationCLI.java
@@ -342,7 +342,7 @@ public int run(String[] args) throws Exception {
           java.util.Arrays.asList(SignalContainerCommand.values()) +
           " Default command is OUTPUT_THREAD_DUMP.");
       opts.getOption(SIGNAL_CMD).setArgName("container ID [signal command]");
-      opts.getOption(SIGNAL_CMD).setArgs(3);
+      opts.getOption(SIGNAL_CMD).setArgs(2);
     }
 
     int exitCode = -1;