code: private void setTaskFailed(String reason) {
          m_taskRecord.setProperty(TaskRecord.PROP_EXECUTOR, m_hostID);
          m_taskRecord.setProperty(TaskRecord.PROP_FINISH_TIME, Long.toString(System.currentTimeMillis()));
          m_taskRecord.setProperty(TaskRecord.PROP_FAIL_REASON, reason);
          m_taskRecord.setStatus(TaskStatus.FAILED);
          TaskManagerService.instance().updateTaskStatus(m_tenant, m_taskRecord, true);
      }
docs: Update the job status record that shows this job has failed.