Anand Mazumdar created MESOS-7975:
-------------------------------------

             Summary: The command/default executor can incorrectly send a 
TASK_FINISHED update even when the task is killed
                 Key: MESOS-7975
                 URL: https://issues.apache.org/jira/browse/MESOS-7975
             Project: Mesos
          Issue Type: Bug
            Reporter: Anand Mazumdar
            Assignee: Anand Mazumdar
            Priority: Critical


Currently, when a task is killed, the default and the command executor 
incorrectly send a {{TASK_FINISHED}} status update instead of {{TASK_KILLED}}. 
This is due to an unfortunate missed conditional check when the task exits with 
a zero status code.

{code}
      if (WSUCCEEDED(status)) {
        taskState = TASK_FINISHED;
      } else if (killed) {
        // Send TASK_KILLED if the task was killed as a result of
        // kill() or shutdown().
        taskState = TASK_KILLED;
      } else {
        taskState = TASK_FAILED;
      }
{code}

We should modify the code to correctly send {{TASK_KILLED}} status updates when 
a task is killed.



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