我有一个 django 项目,我正在使用芹菜。但是,当我通过 django 使用命令启动 celery worker 时
python manage.py celery worker
它不断打印有关线程退出的错误消息
[2014-09-23 20:33:21,555: ERROR/MainProcess] Process 'Worker-4' pid:6824 exited with exitcode 1
[2014-09-23 20:33:21,555: ERROR/MainProcess] Process 'Worker-3' pid:6356 exited with exitcode 1
[2014-09-23 20:33:21,555: ERROR/MainProcess] Process 'Worker-2' pid:7528 exited with exitcode 1
[2014-09-23 20:33:21,555: ERROR/MainProcess] Process 'Worker-1' pid:5272 exited with exitcode 1
我应该怎么办?