code: public List<TaskExecLog> getTaskLogs(String taskId) {
          Preconditions.checkArgument(StringUtils.isNotBlank(taskId), "Task id cannot be blank");
          return getForEntity("tasks/{taskId}/log", null, taskExecLogList, taskId);
      }
docs: Fetch execution logs for a task.
  
  @param taskId id of the task.