This is what is in the browser:

 The gateway did not receive a timely response from the upstream server or 
application.
     
___________________________________________________________________________________________________________________________________

    Apache/2.2.15 (CentOS) Server at x.x.x.x Port 80

Then in the apache logs:

error_log only has the startup messages. 

access_log has:
[07/Aug/2015:07:57:35 -1000] "GET /IRC/cgi-bin/trac.cgi HTTP/1.0" 504 325 
"-" "Lynx/2.8.6rel.5 libwww-FM/2.14 SSL-MM/1.4.1 OpenSSL/1.0.0-fips"

but thats all. I had moved this (IRC) instance from its original server to 
this new server beacuse the new one has another working instance.  So I 
suspect a database (mysql) problem/corruption. The two instances share the 
MySQL database.

On the old server the apache log has in -
the error_log:
[Fri Aug 07 08:20:03 2015] [warn] [client 10.18.1.86] Timeout waiting for 
output from CGI script /var/www/trac/IRC/www/cgi-bin/trac.cgi
[Fri Aug 07 08:20:03 2015] [error] [client 10.18.1.86] Script timed out 
before returning headers: trac.cgi
the access_log:
10.18.1.86 - - [07/Aug/2015:08:19:03 -1000] "GET /IRC/cgi-bin/trac.cgi 
HTTP/1.0" 504 325 "-" "Lynx/2.8.6rel.5 libwww-FM/2.14 SSL-MM/1.4.1 
OpenSSL/1.0.0-fips"



On Thursday, August 6, 2015 at 11:40:12 PM UTC-10, RjOllos wrote:

> On Thu, Aug 6, 2015 at 6:45 PM, teter808 <[email protected] <javascript:>> 
> wrote:
>
>> I have a trac instance (1.0.2) and have been using it for awhile now 
>> without trouble. Yesterday out of the blue it stopped serving webpages 
>> (such as the main page). 
>>
>> It is a simple installation that does not even use the repositories. 
>> Anytime any user visit the trac web page the log has the same DEBUG info. 
>> See below. It used to move on to session and continue from there. Any help 
>> would be appreciated. 
>>
>> 2015-08-06 15:19:54,317 Trac[env] INFO: -------------------------------- 
>> environment startup [Trac 1.0.2] --------------------------------
>> 2015-08-06 15:19:54,324 Trac[loader] DEBUG: Adding plugin LdapPlugin 
>> 0.7.0dev from /var/www/trac/IRC/env/plugins/LdapPlugin-0.7.0dev-py2.6.egg
>> 2015-08-06 15:19:54,331 Trac[loader] DEBUG: Loading ldapplugin.api from 
>> /var/www/trac/IRC/env/plugins/LdapPlugin-0.7.0dev-py2.6.egg
>> 2015-08-06 15:19:54,342 Trac[loader] DEBUG: Loading trac.about from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,343 Trac[loader] DEBUG: Loading trac.admin.console 
>> from /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,354 Trac[loader] DEBUG: Loading trac.admin.web_ui 
>> from /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,355 Trac[loader] DEBUG: Loading trac.attachment from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,356 Trac[loader] DEBUG: Loading trac.db.mysql from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,361 Trac[loader] DEBUG: Loading trac.db.postgres from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,362 Trac[loader] DEBUG: Loading trac.db.sqlite from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,366 Trac[loader] DEBUG: Loading trac.mimeview.patch 
>> from /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,367 Trac[loader] DEBUG: Loading 
>> trac.mimeview.pygments from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,371 Trac[loader] DEBUG: Skipping 
>> "trac.mimeview.pygments = trac.mimeview.pygments [pygments]": 
>> ("DistributionNotFound: Pygments>=0.6" not found)
>> 2015-08-06 15:19:54,372 Trac[loader] DEBUG: Loading trac.mimeview.rst 
>> from /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,376 Trac[loader] DEBUG: Skipping "trac.mimeview.rst = 
>> trac.mimeview.rst [rest]": ("DistributionNotFound: docutils>=0.3.9" not 
>> found)
>> 2015-08-06 15:19:54,376 Trac[loader] DEBUG: Loading trac.mimeview.txtl 
>> from /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,381 Trac[loader] DEBUG: Skipping "trac.mimeview.txtl 
>> = trac.mimeview.txtl [textile]": ("DistributionNotFound: textile>=2.0" not 
>> found)
>> 2015-08-06 15:19:54,381 Trac[loader] DEBUG: Loading trac.prefs from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,382 Trac[loader] DEBUG: Loading trac.search from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,383 Trac[loader] DEBUG: Loading trac.ticket.admin 
>> from /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,384 Trac[loader] DEBUG: Loading trac.ticket.batch 
>> from /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,385 Trac[loader] DEBUG: Loading trac.ticket.query 
>> from /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,388 Trac[loader] DEBUG: Loading trac.ticket.report 
>> from /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,390 Trac[loader] DEBUG: Loading trac.ticket.roadmap 
>> from /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,392 Trac[loader] DEBUG: Loading trac.ticket.web_ui 
>> from /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,396 Trac[loader] DEBUG: Loading trac.timeline from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,397 Trac[loader] DEBUG: Loading 
>> trac.versioncontrol.admin from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,398 Trac[loader] DEBUG: Loading 
>> trac.versioncontrol.svn_authz from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,399 Trac[loader] DEBUG: Loading 
>> trac.versioncontrol.web_ui from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,407 Trac[loader] DEBUG: Loading trac.web.auth from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,411 Trac[loader] DEBUG: Loading trac.web.main from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,411 Trac[loader] DEBUG: Loading trac.web.session from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,411 Trac[loader] DEBUG: Loading trac.wiki.admin from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,412 Trac[loader] DEBUG: Loading trac.wiki.interwiki 
>> from /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,413 Trac[loader] DEBUG: Loading trac.wiki.macros from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,413 Trac[loader] DEBUG: Loading trac.wiki.web_api 
>> from /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,414 Trac[loader] DEBUG: Loading trac.wiki.web_ui from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,415 Trac[loader] DEBUG: Loading 
>> tracopt.mimeview.enscript from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,416 Trac[loader] DEBUG: Loading tracopt.mimeview.php 
>> from /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,416 Trac[loader] DEBUG: Loading 
>> tracopt.mimeview.silvercity from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,421 Trac[loader] DEBUG: Skipping 
>> "tracopt.mimeview.silvercity = tracopt.mimeview.silvercity [silvercity]": 
>> ("DistributionNotFound: SilverCity>=0.9.4" not found)
>> 2015-08-06 15:19:54,421 Trac[loader] DEBUG: Loading 
>> tracopt.perm.authz_policy from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,426 Trac[loader] DEBUG: Skipping 
>> "tracopt.perm.authz_policy = tracopt.perm.authz_policy [configobj]": 
>> ("DistributionNotFound: ConfigObj" not found)
>> 2015-08-06 15:19:54,426 Trac[loader] DEBUG: Loading 
>> tracopt.perm.config_perm_provider from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,426 Trac[loader] DEBUG: Loading tracopt.ticket.clone 
>> from /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,427 Trac[loader] DEBUG: Loading 
>> tracopt.ticket.commit_updater from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,428 Trac[loader] DEBUG: Loading 
>> tracopt.ticket.deleter from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,429 Trac[loader] DEBUG: Loading 
>> tracopt.versioncontrol.git.git_fs from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,436 Trac[loader] DEBUG: Loading 
>> tracopt.versioncontrol.svn.svn_fs from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,438 Trac[loader] DEBUG: Loading 
>> tracopt.versioncontrol.svn.svn_prop from 
>> /usr/lib/python2.6/site-packages/Trac-1.0.2-py2.6.egg
>> 2015-08-06 15:19:54,440 Trac[default_workflow] DEBUG: Workflow actions at 
>> initialization: {u'resolve': {u'operations': [u'set_resolution'], 'name': 
>> u'resolve', 'default': 0, 'newstate': u'closed', 'oldstates': [u'new', 
>> u'assigned', u'accepted', u'reopened'], u'permissions': 
>> [u'TICKET_MODIFY']}, u'accept': {u'operations': [u'set_owner_to_self'], 
>> 'name': u'accept', 'default': 0, 'newstate': u'accepted', 'oldstates': 
>> [u'new', u'assigned', u'accepted', u'reopened'], u'permissions': 
>> [u'TICKET_MODIFY']}, u'leave': {u'operations': [u'leave_status'], 'name': 
>> u'leave', u'default': 1, 'newstate': u'*', 'oldstates': [u'*'], 
>> 'permissions': []}, u'reopen': {u'operations': [u'del_resolution'], 'name': 
>> u'reopen', 'default': 0, 'newstate': u'reopened', 'oldstates': [u'closed'], 
>> u'permissions': [u'TICKET_CREATE']}, u'reassign': {u'operations': 
>> [u'set_owner'], 'name': u'reassign', 'default': 0, 'newstate': u'assigned', 
>> 'oldstates': [u'new', u'assigned', u'accepted', u'reopened'], 
>> u'permissions': [u'TICKET_MODIFY']}, '_reset': {'operations': 
>> ['reset_workflow'], 'name': 'reset', 'default': 0, 'newstate': 'new', 
>> 'oldstates': [], 'permissions': []}}
>> 2015-08-06 15:19:54,465 Trac[main] DEBUG: Dispatching <RequestWithSession 
>> "GET ''">
>>
>
> This looks wrong because the PATH_INFO should be printed.
>  
>
>> 2015-08-06 15:19:54,470 Trac[api] WARNING: Unable to find repository 
>> '(default)' for synchronization
>> 2015-08-06 15:19:54,473 Trac[api] DEBUG: action controllers for ticket 
>> workflow: ['ConfigurableTicketWorkflow']
>>
>>
>> and hangs here forever till it times out.
>>
>
> Is there anything useful in your Apache error logs?
>
>

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