On Friday, December 2, 2016 at 2:54:01 PM UTC-8, Tomasz Brzezina wrote:
>
> I have a problem with envirnoment startups during working on trac, I can 
> see it in debug.file. Previously i thought, that this is XMLRPCPlugin 
> connected problem 
>
> https://trac-hacks.org/ticket/12977, but when I uninstall plugin, problem 
> persists (less but still).
>
> I can reproduce it but not everytime. If I go through the webpage 
> sometimes I see environment startup in log. Of course this leads to 
> performance degradation. (instead of 0.2 ms web page loads in 1300ms). This 
> isn't connected to exact link, I can refresh link 40 times without startup, 
> but after few seconds of doing nothing next refresh produces envirnonment 
> startup.
>
> rjollos said, that environment startup should be done only after apache 
> restart, so i've got a problem ;D
>
> My trac installation is debian style - apt-get install trac  - and I use 
> apache2 with mod_wsgi  with multiple tracs, first Alias is a result of 
> finding of solution, TRAC1 is the instalation I focused. If I solve one, I 
> think I could solve others ;D
>
>     Alias /trac/TRAC1/chrome /var/www/html/trac1/trac/htdocs/
>     WSGIDaemonProcess trac
>     WSGIScriptAlias /trac /var/lib/trac/apache/trac.wsgi
>     <Directory /var/lib/trac/apache>
>       WSGIApplicationGroup %{GLOBAL}
>       Require all granted
>     </Directory>
>     <Location ~ "/(trac|svn)/TRAC1/login">
>       AuthUserFile /etc/apache2/users.trac1
>       Require valid-user
>     </Location>
>     <Location ~ "/(trac|svn)/TRAC2">
>       AuthUserFile /etc/apache2/users.trac2
>       Require user user1 user2
>     </Location>
>     <Location ~ "/(trac|svn)/TRAC3">
>       AuthUserFile /etc/apache2/users.trac2
>       Require user user1 user3
>     </Location>
>     <Location /svn/>
>       DAV svn
>       SVNParentPath /var/lib/svn/
>       AuthType Basic
>       AuthName "My's SVN"
>       AuthzSVNAccessFile /etc/subversion/access
>     </Location>
>
>

Did you find any other exception or error messages in your logs?

We discussed PKG_RESOURCE_ZIP_MANIFEST. Please confirm that you see the 
message before setting environment variable, and that the message is not 
seen after setting the environment variable:

"Warning: Detected setuptools version 5.5.1. The environment variable 
'PKG_RESOURCES_CACHE_ZIP_MANIFESTS' must be set to avoid significant 
performance degradation."
 
The message will be seen when issuing any trac-admin command. See:
https://trac.edgewall.org/ticket/12085#comment:5

- Ryan

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