From a944f2d4b817d423a8b660c18b3d0ad7fa7379bc Mon Sep 17 00:00:00 2001
From: hengyunabc <hengyunabc@gmail.com>
Date: Mon, 18 Feb 2019 17:44:04 +0800
Subject: [PATCH] fix RedirectHandler NullPointerException, when save-result
 option is true. close #517

---
 .../arthas/core/shell/command/internal/RedirectHandler.java   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/com/taobao/arthas/core/shell/command/internal/RedirectHandler.java b/core/src/main/java/com/taobao/arthas/core/shell/command/internal/RedirectHandler.java
index a23c157fa..a2a8688ea 100644
--- a/core/src/main/java/com/taobao/arthas/core/shell/command/internal/RedirectHandler.java
+++ b/core/src/main/java/com/taobao/arthas/core/shell/command/internal/RedirectHandler.java
@@ -50,6 +50,8 @@ public class RedirectHandler extends PlainTextHandler implements CloseFunction {
 
     @Override
     public void close() {
-        out.close();
+        if (out != null) {
+            out.close();
+        }
     }
 }