问题描述
似乎您正在尝试将Redis与当前Debian环境无法识别的服务器连接。从Traceback,我看到您正在尝试使用主机名localhost进行连接,
r_server=redis.Redis(host="localhost",port=6379)
但是,您的系统无法理解“ localhost”,在主机文件中输入内容,即说127.0.0.1是localhost。在/ etc / hosts中添加以下代码
127.0.0.1 localhost
否则使用以下命令连接redis;
r_server=redis.Redis(host="localhost",port=6379)
解决方法
在服务器中运行代码,env为debian时出现此错误,并且 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.
当我运行时,redis-cli
它可以正常工作,没有任何错误:
$ redis-cli
127.0.0.1:6379>