[GitHub] [dolphinscheduler] gnailJC commented on issue #12966: [Bug] Failed to export and then import the project.

["gnailJC (via GitHub)" <gi...@apache.org>]

gnailJC commented on issue #12966:
URL: https://github.com/apache/dolphinscheduler/issues/12966#issuecomment-1430894286

   ```    
   public void setNextNode(Object nextNode) {
           if (nextNode instanceof Long) {
               this.nextNode = (Long) nextNode;
           } else {
               List<String> nextNodes = (ArrayList) nextNode; // CaseError
               if (CollectionUtils.isNotEmpty(nextNodes)) {
                   this.nextNode = Long.parseLong(nextNodes.get(0));
               }
           }
       }
   ````
   <img width="749" alt="image" src="https://user-images.githubusercontent.com/31072303/218965398-a007d573-3e62-4d1d-99f6-5c251d60fea0.png">
   
   An CaseError will occur if the nextNode is empty when `branch flow` is not set. 


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