From 3f94c3cb326515363ebd3c6f5e512c85ff35132c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=97=BA=E9=98=B3?= <qingwli@cisco.com>
Date: Tue, 21 Feb 2023 20:10:48 +0800
Subject: [PATCH] Fix webex teams alert plugin null exception error (#13591)

---
 .../plugin/alert/webexteams/WebexTeamsSender.java               | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-webexteams/src/main/java/org/apache/dolphinscheduler/plugin/alert/webexteams/WebexTeamsSender.java b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-webexteams/src/main/java/org/apache/dolphinscheduler/plugin/alert/webexteams/WebexTeamsSender.java
index 44a3403e80..20c9c13be4 100644
--- a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-webexteams/src/main/java/org/apache/dolphinscheduler/plugin/alert/webexteams/WebexTeamsSender.java
+++ b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-webexteams/src/main/java/org/apache/dolphinscheduler/plugin/alert/webexteams/WebexTeamsSender.java
@@ -156,7 +156,7 @@ public final class WebexTeamsSender {
             for (Map map : list) {
                 for (Map.Entry<String, Object> entry : (Iterable<Map.Entry<String, Object>>) map.entrySet()) {
                     String key = entry.getKey();
-                    String value = entry.getValue().toString();
+                    String value = entry.getValue() == null ? "" : entry.getValue().toString();
                     contents.append(key).append(":").append(value);
                     contents.append("\n");
                 }