oceanos opened a new issue #2356: [BUG] task is running endlessly URL: https://github.com/apache/incubator-dolphinscheduler/issues/2356 **Describe** When the worker goes down while the task is running, the task will run endlessly. **Reproduce** 1. run processA on node1（specify the worker group） 2. shut down node1 (or node1 was crashed) （script or jar in the temporary directory was not generated） 3. restart node1 4. task will run endlessly 5. no button will be enabled on process instance list page after you click one of them **Expected behavior** 1, Endless task should be able to fail (or other ops) manually. 2, Or endless task should be able to fail (or other ops) automatically. **Screenshots** Task Is Running Endlessly：  **Version of Dolphin Scheduler** -[1.2.0] **Additional context** After restart the master，these endless tasks were all fault-tolerance handled.  **Requirement or improvement - I can't always restart the master if I have these problems. So i think DS should provide some way to get people involved.
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