From 8c7afb823eb8af28ca54ebfcb120304ab75af037 Mon Sep 17 00:00:00 2001
From: fornaix <foxnaix@gmail.com>
Date: Mon, 28 Dec 2020 17:01:12 +0800
Subject: [PATCH] fix NullPointerException in MBeanView. #1644 (#1645)

---
 .../java/com/taobao/arthas/core/command/view/MBeanView.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/main/java/com/taobao/arthas/core/command/view/MBeanView.java b/core/src/main/java/com/taobao/arthas/core/command/view/MBeanView.java
index 87349036a..af7feb83c 100644
--- a/core/src/main/java/com/taobao/arthas/core/command/view/MBeanView.java
+++ b/core/src/main/java/com/taobao/arthas/core/command/view/MBeanView.java
@@ -204,7 +204,7 @@ public class MBeanView extends ResultView<MBeanModel> {
             table.row(new LabelElement(title).style(Decoration.bold.fg(Color.yellow)));
             for (String fieldName : fieldNames) {
                 Object fieldValue = descriptor.getFieldValue(fieldName);
-                table.row(fieldName, fieldValue.toString());
+                table.row(fieldName, fieldValue == null ? "" : fieldValue.toString());
             }
         }
     }