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使用Bitnami Djangostack在EC2上部署Django：无法加载WSGI脚本

2012-07-04 32 views
2

我一直在努力在最近几天使用Bitnami Djangostack在Amazon EC2上部署Django应用程序。当我访问我的主页时（例如http://example.com），我会看到默认的bitnami页面（/opt/bitnami/apache2/htdocs/index.html），但是，当我打开http://example.com/portnoy时，出现'内部服务器错误'。但是众所周知，如果mod_wsgi设置正确，则忽略来自httpd.conf的DocumentRoot值，因此，在访问http://example.com时应该看到我的Django应用程序。本质上，主要的错误是 - 'Target WSGI脚本不能作为Python模块加载'。两个问题：1）任何想法如何解决这些mod_wsgi错误（Apache日志如下）？ 2）如何禁用默认/opt/bitnami/apache2/htdocs/index.html页面并在访问http://example.com时从django应用程序显示我的主页？先谢谢你！使用Bitnami Djangostack在EC2上部署Django：无法加载WSGI脚本

细节

在我的EC2实例I“m跑64位的Ubuntu 12.04与DjangoStack 1.4-1我的Django项目就设在这里 - 的/ opt/bitnami /应用/ Django的/ django_projects /波特诺 。

[email protected]:/opt/bitnami/apps/django/django_projects/portnoy# ls 
manage.py README.md settings.py site_media users Procfile sandbox static test.py topics urls.py views.py __init__.pyc templates testviews.py

Apache的错误日志（/选择/ bitnami/apache2的/日志/ error_log中）：

[Wed Jul 04 02:29:00 2012] [error] [client 140.180.6.212] File does not exist: /opt/bitnami/apache2/htdocs/favicon.ico 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212] mod_wsgi (pid=3990): Target WSGI script '/opt/bitnami/apps/django/scripts/django.wsgi' cannot be loaded as Python module. 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212] mod_wsgi (pid=3990): Exception occurred processing WSGI script '/opt/bitnami/apps/django/scripts/django.wsgi'. 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212] Traceback (most recent call last): 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212] File "/opt/bitnami/apps/django/scripts/django.wsgi", line 8, in <module> 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212]  import django.core.handlers.wsgi 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212] File "/opt/bitnami/apps/django/lib/python2.7/site-packages/django/core/handlers/wsgi.py", line 8, in <module> 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212]  from django import http 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212] File "/opt/bitnami/apps/django/lib/python2.7/site-packages/django/http/__init__.py", line 119, in <module> 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212]  from django.http.multipartparser import MultiPartParser 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212] File "/opt/bitnami/apps/django/lib/python2.7/site-packages/django/http/multipartparser.py", line 13, in <module> 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212]  from django.utils.text import unescape_entities 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212] File "/opt/bitnami/apps/django/lib/python2.7/site-packages/django/utils/text.py", line 4, in <module> 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212]  from gzip import GzipFile 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212] File "/opt/bitnami/python/lib/python2.7/gzip.py", line 10, in <module> 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212]  import io 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212] File "/opt/bitnami/python/lib/python2.7/io.py", line 60, in <module> 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212]  import _io 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212] ImportError: /opt/bitnami/python/lib/python2.7/lib-dynload/_io.so: undefined symbol: PyUnicodeUCS2_AsEncodedString 
[Wed Jul 04 02:29:15 2012] [error] [client 140.180.6.212] File does not exist: /opt/bitnami/apache2/htdocs/favicon.ico 
[Wed Jul 04 02:44:00 2012] [error] [client 140.180.6.212] File does not exist: /opt/bitnami/apache2/htdocs/favicon.ico

让我快速介绍一下文件的内容，以使案例更加具体。

这是我的/ etc/apache2的/网站可用/默认文件

<VirtualHost *:80> 
ServerAdmin [email protected] 
ServerName example.com 

Alias /site_media/ /opt/bitnami/apps/django/django_projects/portnoy/site_media/ 
Alias /static/ /opt/bitnami/apps/django/lib/python2.7/site-packages/django/contrib/admin/static/ 
Alias /robots.txt /opt/bitnami/apps/django/django_projects/portnoy/site_media/robots.txt 
Alias /favicon.ico /opt/bitnami/apps/django/django_projects/portnoy/site_media/favicon.ico 

CustomLog "|/usr/sbin/rotatelogs /opt/bitnami/apps/django/django_projects/logs/access.log.%Y%m%d-%H%M%S 5M" combined 
ErrorLog "|/usr/sbin/rotatelogs /opt/bitnami/apps/django/django_projects/logs/error.log.%Y%m%d-%H%M%S 5M" 
LogLevel warn 

WSGIProcessGroup example.com 
WSGIScriptAlias//opt/bitnami/apps/django/scripts/django.wsgi 

<Directory /opt/bitnami/apps/django/django_projects/portnoy/site_media> 
Order deny,allow 
Allow from all 
Options -Indexes FollowSymLinks 
</Directory> 

<Directory /opt/bitnami/apps/django/django_projects/portnoy/conf/apache> 
Order deny,allow 
Allow from all 
</Directory> 
</VirtualHost>

这是我/opt/bitnami/apps/django/scripts/django.wsgi文件

import os, sys 

sys.path.append('/opt/bitnami/apps/django/lib/python2.7/site-packages/') 
sys.path.append('/opt/bitnami/apps/django/django_projects') 
sys.path.append('/opt/bitnami/apps/django/django_projects/portnoy') 
os.environ['DJANGO_SETTINGS_MODULE'] = 'portnoy.settings' 

import django.core.handlers.wsgi 

application = django.core.handlers.wsgi.WSGIHandler()

以下为/opt/bitnami/apache2/conf/httpd.conf文件中的相关部分：

ServerRoot "/opt/bitnami/apache2" 
Listen 80 
ServerName example.com 
DocumentRoot "/opt/bitnami/apache2/htdocs" 
LoadModule wsgi_module modules/mod_wsgi.so 
WSGIPythonHome /opt/bitnami/python 
Include "/opt/bitnami/apache2/conf/ssi.conf" 
Include "/opt/bitnami/apps/django/conf/django.conf" 
Include "/opt/bitnami/apache2/conf/bitnami/httpd.conf"

注意：在本文中，我使用example.com来指代我实际拥有的域。

来源

2012-07-04 Arman

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