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PODjango mod_wsgi and haystack = error 500
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copied!<p>I'm using Haystack on my Django project and all works well using django server. When I'm going to production, running on Apache, I receive an error 500; more precisely from the log:</p> <pre><code>mod_wsgi (pid=4536): Exception occurred processing WSGI script '/opt/local/apache2/htdocs/meishi/meishi/wsgi.py'. Traceback (most recent call last): [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/core/handlers/wsgi.py", line 241, in __call__ [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] response = self.get_response(request) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/core/handlers/base.py", line 179, in get_response [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] response = self.handle_uncaught_exception(request, resolver, sys.exc_info()) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/core/handlers/base.py", line 221, in handle_uncaught_exception [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] return debug.technical_500_response(request, *exc_info) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/views/debug.py", line 66, in technical_500_response [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] html = reporter.get_traceback_html() [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/views/debug.py", line 276, in get_traceback_html [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] return t.render(c) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/template/base.py", line 140, in render [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] return self._render(context) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/template/base.py", line 134, in _render [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] return self.nodelist.render(context) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/template/base.py", line 823, in render [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] bit = self.render_node(node, context) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/template/debug.py", line 74, in render_node [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] return node.render(context) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/template/debug.py", line 84, in render [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] output = self.filter_expression.resolve(context) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/template/base.py", line 599, in resolve [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] new_obj = func(obj, *arg_vals) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/template/defaultfilters.py", line 718, in date [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] return format(value, arg) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/utils/dateformat.py", line 310, in format [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] return df.format(format_string) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/utils/dateformat.py", line 33, in format [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] pieces.append(force_unicode(getattr(self, piece)())) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/utils/dateformat.py", line 214, in r [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] return self.format('D, j M Y H:i:s O') [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/utils/dateformat.py", line 33, in format [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] pieces.append(force_unicode(getattr(self, piece)())) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/utils/encoding.py", line 71, in force_unicode [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] s = unicode(s) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/utils/functional.py", line 121, in __unicode_cast [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] return func(*self.__args, **self.__kw) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/utils/translation/__init__.py", line 86, in ugettext [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] return _trans.ugettext(message) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/utils/translation/trans_real.py", line 278, in ugettext [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] return do_translate(message, 'ugettext') [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/utils/translation/trans_real.py", line 268, in do_translate [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] _default = translation(settings.LANGUAGE_CODE) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/utils/translation/trans_real.py", line 183, in translation [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] default_translation = _fetch(settings.LANGUAGE_CODE) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/utils/translation/trans_real.py", line 160, in _fetch [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] app = import_module(appname) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File "/Applications/MAMP/htdocs/Django-1.4/django/utils/importlib.py", line 35, in import_module [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] __import__(name) [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] ImportError: No module named haystack [Wed Apr 25 13:41:52 2012] [error] [client 127.0.0.1] File does not exist: /opt/local/apache2/htdocs/favicon.ico </code></pre> <p>Before using Haystack on my project, I had no problems at all with mod_wsgi, all worked well. What could be the problem?</p>

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