[GitHub] [incubator-dolphinscheduler] superxiaojie opened a new issue #3495: [Bug][Master] The same scheduling task runs twice, causing data duplication

[GitBox]

superxiaojie opened a new issue #3495:
URL: https://github.com/apache/incubator-dolphinscheduler/issues/3495


   **Describe the bug**
   The same scheduling task runs twice, causing data duplication
   **To Reproduce**
   1. The cluster has two workers and two masters
   2. set up a scheduled task
   3. run by time
   
   **Expected behavior**
   duplicate tasks
   
   **Screenshots**
   If applicable, add screenshots to help explain your problem.
   
![image](https://user-images.githubusercontent.com/18513424/90220906-b5a2bf00-de3b-11ea-8794-d6d03b4b5da7.png)
   
   
   **Which version of Dolphin Scheduler:**
    -[1.2.0-preview]
   
   **Additional context**
   
![image](https://user-images.githubusercontent.com/18513424/90219877-9efb6880-de39-11ea-9cd5-44addd856fe8.png)
   
   **Questions**
   does this problem exist in 1.3.1 ?
     thx
   
   


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