On 17/12/2013 14:34, Moritz Schlarb wrote:
Hi there,
how to investiguate
well, if you get Error 500's, your Apache error log should contain
tracebacks etc. that could help us find the problem!
I'm trapped :
* If I want TG to log into apache logs, then I add this to my .wsgi file:
logging.basicConfig(stream=sys.stderr)
then it works.
* So I put back my logging configuration (in the .wsgi):
logging.config.fileConfig(APP_CONFIG)
resulting in error 500 without any log.
I also investigate in an interactive manner :
root@39377hd52094:~# python
Python 2.7.3 (default, Jan 2 2013, 13:56:14)
[GCC 4.7.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
import logging
import logging.config
logging.config.fileConfig("/opt/pod/pboard/production.ini")
logging.getLogger().info("agaga")
This is working... but... If I run the same code through the www-data
user (which is, I suppose, the one running wsgi applications), I get an
exception:
logging.config.fileConfig("/opt/pod/pboard/production.ini")
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python3.2/logging/config.py", line 78, in fileConfig
handlers = _install_handlers(cp, formatters)
File "/usr/lib/python3.2/logging/config.py", line 144, in
_install_handlers
h = klass(*args)
File "/usr/lib/python3.2/logging/handlers.py", line 117, in __init__
BaseRotatingHandler.__init__(self, filename, mode, encoding, delay)
File "/usr/lib/python3.2/logging/handlers.py", line 64, in __init__
logging.FileHandler.__init__(self, filename, mode, encoding, delay)
File "/usr/lib/python3.2/logging/__init__.py", line 970, in __init__
StreamHandler.__init__(self, self._open())
File "/usr/lib/python3.2/logging/__init__.py", line 993, in _open
stream = open(self.baseFilename, self.mode)
IOError: [Errno 13] Permission denied: '/var/log/apache2/pod.log'
Note: the file already exists and it has been chmod-ed 777
An extra investigation is the following one:
The folder /var/log/apache2 seems to be owned by root (and in the adm
group)...
drwxr-x--- 2 root adm 4096 déc. 15 06:25 apache2
I believe this is a problem of rights but don't know yet which one... I
will investigate.
Thanks for your answer which pointed me to another way to log into
apache logs and to make these new steps.
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