Rubik-W edited a comment on issue #2112: [BUG] many dependent tasks depend on a 
node, task status bug
URL: 
https://github.com/apache/incubator-dolphinscheduler/issues/2112#issuecomment-596388826
 
 
   Before submitting the failure task, it has been verified whether it is a 
retry task.
   So, in the process of submitting the task, there is no need to check the 
failure status again.
   
   In business design, the retry task is processed first, then the failure 
strategy is processed.
   
   MasterExecThread.java
   task.taskCanRetry()
   ```
                   // node fails, retry first, and then execute the failure 
process
                   if(task.getState().typeIsFailure()){
                       if(task.getState() == 
ExecutionStatus.NEED_FAULT_TOLERANCE){
                           this.recoverToleranceFaultTaskList.add(task);
                       }
                       if(task.taskCanRetry()){
                           addTaskToStandByList(task);
                       }else{
                           completeTaskList.put(task.getName(), task);
                           if( 
task.getTaskType().equals(TaskType.CONDITIONS.toString()) ||
                                   haveConditionsAfterNode(task.getName())) {
                               submitPostNode(task.getName());
   ```

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