Fix dependency failure (#5239)

Co-authored-by: JinyLeeChina <297062848@qq.com>
4 years ago · 8c88bfa222
1 changed files with 4 additions and 2 deletions
--- 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() {