From 8c88bfa222119b9f07d89c314df34085f034fdce Mon Sep 17 00:00:00 2001
From: JinyLeeChina <42576980+JinyLeeChina@users.noreply.github.com>
Date: Fri, 9 Apr 2021 11:25:18 +0800
Subject: [PATCH] Fix dependency failure (#5239)

Co-authored-by: JinyLeeChina <297062848@qq.com>
---
 .../org/apache/dolphinscheduler/common/model/TaskNode.java  | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/model/TaskNode.java b/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/model/TaskNode.java
index 17b6747a44..c6adc30d36 100644
--- a/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/model/TaskNode.java
+++ b/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/model/TaskNode.java
@@ -211,8 +211,10 @@ public class TaskNode {
     }
 
     public void setDepList(List<String> depList) {
-        this.depList = depList;
-        this.preTasks = JSONUtils.toJsonString(depList);
+        if (depList != null) {
+            this.depList = depList;
+            this.preTasks = JSONUtils.toJsonString(depList);
+        }
     }
 
     public String getLoc() {