Thanks!
On Fri, Apr 26, 2013 at 12:51 PM, Jordan Michaels <jor...@viviotech.net>wrote: > John, > > Looks like you're hitting the connection_pool_size issue: > > [Mon Apr 22 20:20:13.670 2013] [5012:5128] [info] > ajp_process_callback::jk_ajp_**common.c (2058): current reuse count is 7 > of max reuse connection 250 and total endpoint count 250 > > The 250 limit is the default limit for IIS, as mentioned here: > http://tomcat.apache.org/**connectors-doc/reference/**workers.html<http://tomcat.apache.org/connectors-doc/reference/workers.html> > > Under the "connection_pool_size" attribute: > "For IIS the default value is 250 (before version 1.2.20: 10), for > Netscape/Sun the default value is 1." > > When these are maxed out, you'll get the "cannot connect to backend" and > "failed to open socket" errors you're getting. > > Unfortunately, updating the connectors won't help this situation. You'll > need to adjust your connector settings. > > You could also potentially review your code. See if there's any place you > can reduce the number of calls you make to CF - like, if possible, combine > redundant or similar calls into a single call, and make sure IIS is > handling simple calls for static resources and such and not passing them > back to CF for some reason. > > Hope this helps! > > Warm Regards, > Jordan Michaels > Vivio Technologies > > > > On 04/25/2013 08:52 AM, John M Bliss wrote: > >> >> Jordan (or anyone else :-), here is a snip of my isapi_redirect.log from >> just before the last fail. From this, can you see what caused it? Dave's >> "non-updated connector" issue? Your "connection_pool_size" issue? >> >> http://www.brandiandjohn.com/**codeshare/isapi_redirect.log<http://www.brandiandjohn.com/codeshare/isapi_redirect.log> >> >> >> On Tue, Apr 23, 2013 at 10:59 AM, Jordan Michaels <jor...@viviotech.net >> >wrote: >> >> ACF10 uses the isapi_redirect.dll for connecting Tomcat to IIS which is >>> an >>> open-source connector developed by the good folks in the Tomcat project. >>> The error message is coming from the connector, so what you can do is >>> enable logging on the connector and it should tell you what the problem >>> is. >>> >>> You can enable logging (or set the logging level to a be more >>> informative) >>> by editing the connector properties file, usually located here: >>> >>> {CF-HOME}\config\wsconfig\{****magic-number}\isapi_redirect.*** >>> *properties >>> >>> >>> Specifically, look for the following entries: >>> >>> log_file = {CF-HOME}\config\wsconfig\{****magic-number}\isapi_redirect.* >>> ***log >>> >>> log_level = info >>> >>> If the default log_level of "info" doesn't indicate anything in the logs, >>> try setting the level higher. Appropriate values are documented here: >>> >>> http://tomcat.apache.org/****connectors-doc/reference/iis.****html<http://tomcat.apache.org/**connectors-doc/reference/iis.**html> >>> <http://tomcat.apache.**org/connectors-doc/reference/**iis.html<http://tomcat.apache.org/connectors-doc/reference/iis.html> >>> > >>> >>> >>> ... but chances are good the problem is already being logged. >>> >>> If I had to guess, I would say you're bumping up against the default >>> "connection_pool_size" which unfortunately defaults to 250 for IIS. I've >>> seen this limit hit frequently on even low-use windows machines. >>> >>> The connection_pool_size attribute can be configured in the >>> workers.properties file, located here by default: >>> >>> {CF-HOME}\config\wsconfig\{****magic-number}\ >>> >>> >>> The connection_pool_size attribute is documented here: >>> http://tomcat.apache.org/****connectors-doc/reference/****workers.html<http://tomcat.apache.org/**connectors-doc/reference/**workers.html> >>> <http://tomcat.**apache.org/connectors-doc/**reference/workers.html<http://tomcat.apache.org/connectors-doc/reference/workers.html> >>> > >>> >>> >>> And you can read about manually installing the connector for ACF10 here: >>> http://helpx.adobe.com/****coldfusion/kb/coldfusion10-**<http://helpx.adobe.com/**coldfusion/kb/coldfusion10-**> >>> iis-manual-connector-****configuration.html<http://** >>> helpx.adobe.com/coldfusion/kb/**coldfusion10-iis-manual-** >>> connector-configuration.html<http://helpx.adobe.com/coldfusion/kb/coldfusion10-iis-manual-connector-configuration.html> >>> > >>> >>> >>> Hope this helps John! =) >>> >>> Warm Regards, >>> Jordan Michaels >>> >>> >>> On 04/22/2013 06:23 PM, John M Bliss wrote: >>> >>> >>>> Since upgrading from ACF8 to ACF10, every once in a while (about once >>>> every >>>> 2-3 days?), under normal load, all .cfm reqs produce: >>>> >>>> Service Temporary Unavailable! >>>> >>>> The server is temporarily unable to service your request due to >>>> maintenance >>>> downtime or capacity problems. Please try again later. >>>> >>>> Jakarta/ISAPI/isapi_****redirector/1.2.32 () >>>> >>>> >>>> Copyright Å 1999-2011 Apache Software Foundation >>>> All Rights Reserved >>>> >>>> ...I'm using IIS. Restarting the CF Server service makes the problem go >>>> away. >>>> >>>> Ideas? >>>> >>>> >>>> >> >> -- John Bliss - http://about.me/jbliss ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Order the Adobe Coldfusion Anthology now! http://www.amazon.com/Adobe-Coldfusion-Anthology/dp/1430272155/?tag=houseoffusion Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:355612 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/groups/cf-talk/unsubscribe.cfm
