Q & A：

mapped 1263744 bytes (1234 KB) for 16 cores
*** Operational MODE: preforking+threaded ***
*** no app loaded. going in full dynamic mode ***
*** uWSGI is running in multiple interpreter mode ***
spawned uWSGI master process (pid: 2343)
spawned uWSGI worker 1 (pid: 2345, cores: 2)
spawned uWSGI worker 2 (pid: 2346, cores: 2)
spawned uWSGI worker 3 (pid: 2348, cores: 2)
spawned uWSGI worker 4 (pid: 2350, cores: 2)
spawned uWSGI worker 5 (pid: 2352, cores: 2)
spawned uWSGI worker 6 (pid: 2354, cores: 2)
spawned uWSGI worker 7 (pid: 2356, cores: 2)
spawned uWSGI worker 8 (pid: 2358, cores: 2)
-- unavailable modifier requested: 0 --

引起原因

uwsgi 启动时，找不到python引起。使用 yum 等工具安装造成。

解决方案：

方法一：

安装uwsgi-plugin-python，并且在uwsgi的配置文件中指定“plugins = python”。

方法二：

直接编译安装uwsgi

方法三：

使用pip 安装，因为pip是依赖python的，安装时会绑定其使用的python。

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参考：

• http://www.dannysite.com/blog/197/ (opens new window)

• http://stackoverflow.com/questions/10748108/nginx-uwsgi-unavailable-modifier-requested-0 (opens new window)

• http://serverfault.com/questions/426039/nginx-uwsgi-unavailable-modifier-requested-0 (opens new window)