From 5dc091d38b2c7d2a8cf358b16e7f8d554a89fa9c Mon Sep 17 00:00:00 2001
From: hengyunabc <hengyunabc@gmail.com>
Date: Tue, 3 Sep 2019 16:01:51 +0800
Subject: [PATCH] update SystemPropertyCommand message.

---
 .../core/command/basic1000/SystemPropertyCommand.java       | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/core/src/main/java/com/taobao/arthas/core/command/basic1000/SystemPropertyCommand.java b/core/src/main/java/com/taobao/arthas/core/command/basic1000/SystemPropertyCommand.java
index 8c7df993a..61ef7bb4d 100644
--- a/core/src/main/java/com/taobao/arthas/core/command/basic1000/SystemPropertyCommand.java
+++ b/core/src/main/java/com/taobao/arthas/core/command/basic1000/SystemPropertyCommand.java
@@ -44,6 +44,7 @@ public class SystemPropertyCommand extends AnnotatedCommand {
 
     @Override
     public void process(CommandProcess process) {
+        int status = 0;
         try {
             if (StringUtils.isBlank(propertyName) && StringUtils.isBlank(propertyValue)) {
                 // show all system properties
@@ -52,7 +53,7 @@ public class SystemPropertyCommand extends AnnotatedCommand {
                 // view the specified system property
                 String value = System.getProperty(propertyName);
                 if (value == null) {
-                    process.write("In order to change the system properties, you must specify the property value.\n");
+                    process.write("There is no property with the key " + propertyName + ".\n");
                 } else {
                     process.write(propertyName + "=" + value + "\n");
                 }
@@ -64,8 +65,9 @@ public class SystemPropertyCommand extends AnnotatedCommand {
             }
         } catch (Throwable t) {
             process.write("Error during setting system property: " + t.getMessage() + "\n");
+            status = 1;
         } finally {
-            process.end();
+            process.end(status);
         }
     }