我在服务器上运行代码时出现此错误,我的环境是 debian,Python2.7.3
Traceback (most recent call last):
File "fetcher.py", line 4, in <module>
import mirad.fetcher_tasks as tasks
File "/home/mirad/backend/mirad/fetcher_tasks.py", line 75, in <module>
redis_keys = r.keys('*')
File "/home/mirad/backend/venv/local/lib/python2.7/site-packages/redis/client.py", line 863, in keys
return self.execute_command('KEYS', pattern)
File "/home/mirad/backend/venv/local/lib/python2.7/site-packages/redis/client.py", line 534, in execute_command
connection.send_command(*args)
File "/home/mirad/backend/venv/local/lib/python2.7/site-packages/redis/connection.py", line 532, in send_command
self.send_packed_command(self.pack_command(*args))
File "/home/mirad/backend/venv/local/lib/python2.7/site-packages/redis/connection.py", line 508, in send_packed_command
self.connect()
File "/home/mirad/backend/venv/local/lib/python2.7/site-packages/redis/connection.py", line 412, in connect
raise ConnectionError(self._error_message(e))
redis.exceptions.ConnectionError: Error -2 connecting to localhost:6379. Name or service not known.
当我运行 redis-cli
时,它可以正常工作,没有任何错误:
$ redis-cli
127.0.0.1:6379>
最佳答案
您似乎正在尝试将 redis 连接到您当前的 Debian 环境无法识别的服务器。 从 Traceback 中,我看到您正在尝试使用主机名作为 localhost 进行连接,
r_server=redis.Redis(host="localhost",port=6379)
但是,您的系统无法理解“本地主机”,在主机文件中输入,即说 127.0.0.1 是本地主机。在/etc/hosts 添加以下代码
127.0.0.1 localhost
否则使用下面的命令连接redis;
r_server=redis.Redis(host="127.0.0.1",port=6379)
关于python - redis.exceptions.ConnectionError : Error -2 connecting to localhost:6379. 名称或服务未知,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/25175919/