gmane.comp.version-control.subversion.trac.devel

Emmanuel Blot | 25 Apr 23:49

[Trac-dev] t.e.o. unstable ?


I just encountered two major issues while browsing on t.e.o. within a
single minute time frame:

1/ When I clicked on "View Ticket/Custom Query" I got a Python
traceback (plain text, no decoration) reporting that "layout.html" was
missing. A simple refresh made the trouble go away.
2/ In the custom query report, I clicked on the ticket column header
(to sort result by ticket number) and I hit a "500 Internal Error" web
page. Again, a refresh made the trouble go away.

It happened at 23:47 CET (GMT+1), if someone wants to have a look at
the log files.

Cheers,
Manu

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Emmanuel Blot | 26 Apr 09:19

[Trac-dev] Re: t.e.o. unstable ?


The exact error is:

Traceback (most recent call last):
  File "/usr/local/virtualenv/lib/python2.4/site-packages/Trac-0.11dev_r6870-py2.4.egg/trac/web/api.py",
line 339, in send_error
    'text/html')
  File "/usr/local/virtualenv/lib/python2.4/site-packages/Trac-0.11dev_r6870-py2.4.egg/trac/web/chrome.py",
line 683, in render_template
    template = self.load_template(filename, method=method)
  File "/usr/local/virtualenv/lib/python2.4/site-packages/Trac-0.11dev_r6870-py2.4.egg/trac/web/chrome.py",
line 667, in load_template
    return self.templates.load(filename, cls=cls)
  File "build/bdist.linux-x86_64/egg/genshi/template/loader.py", line
221, in load
  File "build/bdist.linux-x86_64/egg/genshi/template/loader.py", line
259, in _instantiate
  File "build/bdist.linux-x86_64/egg/genshi/template/base.py", line
373, in __init__
  File "build/bdist.linux-x86_64/egg/genshi/template/base.py", line
440, in _prepare
  File "build/bdist.linux-x86_64/egg/genshi/template/loader.py", line
231, in load
TemplateNotFound: Template "layout.html" not found

and it now keeps occuring, whatever the URL.

I also receive:

Traceback (most recent call last):

(Continue reading)

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Jonas Borgström | 27 Apr 14:35

[Trac-dev] Re: t.e.o. unstable ?

Emmanuel Blot wrote:
> 
> I just encountered two major issues while browsing on t.e.o. within a
> single minute time frame:
> 
> 1/ When I clicked on "View Ticket/Custom Query" I got a Python
> traceback (plain text, no decoration) reporting that "layout.html" was
> missing. A simple refresh made the trouble go away.
> 2/ In the custom query report, I clicked on the ticket column header
> (to sort result by ticket number) and I hit a "500 Internal Error" web
> page. Again, a refresh made the trouble go away.
> 
> It happened at 23:47 CET (GMT+1), if someone wants to have a look at
> the log files.

I think I've figured out what caused this. When I inspected the fastcgi- 
processes on t.e.o I noticed that the "trac.log" file was opened several 
hundred times. It turns out that when we're reloading the environment we 
did not explicitly call the "close"-method on the logging handler. This 
is needed since the logging module keeps a reference to all active 
handlers for some reason.

This itself is of course a bug but shouldn't cause a "Too many open 
files" error unless the environment was excessively reloaded. The 
culprit seems to be the InterWikiMap component which calls 
"config.touch()" from the constructor which in turn triggers a 
environment reload. So a user visiting a wiki page containing an 
interwiki link would be enough to trigger a reload.

(Continue reading)

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Emmanuel Blot | 27 Apr 15:36

[Trac-dev] Re: t.e.o. unstable ?


>  Hopefully these fixes will have some positive effect on the overall
>  performance as well.

Great.
Thanks for the update,

Manu

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