3 Replies Latest reply: Nov 4, 2014 8:35 PM by carl type3

CF 10 - Intermittent blank index page, status 200 not 404

TonightWeDineInHELL Oct 27, 2014 6:34 AM

Just about every 2 - 3 days, we'll get a blank page instead of our index.cfm. At this point, we cannot reach any .cfm page, even by typing in the direct URL. The only thing that will bring it back is a restart of the server. We are running ColdFusion 10 Update 12 with IIS v. 8.5 in Windows Server 2012. We had updated to 14, but we couldn't get it to work. Nothing but 500 errors. Uninstalling 14 was impossible so we uninstalled CF entirely and reinstalled up to update 12. However, the "blank page" issue still exists.

One other thing. When the "blank page" appeared this last weekend, and we didn't have time to restart right-away, ColdFusion began working again, on it's own, within a few hours. We found absolutely nothing in the CF logs or the server logs. Any guidance, opinions or sympathy is welcome.

Thanks!

- Shawn

1. Re: CF 10 - Intermittent blank index page, status 200 not 404

carl type3 Oct 27, 2014 4:00 PM (in response to TonightWeDineInHELL)

Hi Shawn,

Any errors or warnings in the CF ISAPI log file located \ColdFusion10\config\wsconfig\N\ isapi_redirect.log ?

You reinstalled CF10 to update 12. Did you perform the manual step running WSCONFIG tool to increment the ISAPI dll IIS connector file? Perhaps the date stamp of \ColdFusion10\config\wsconfig\N\ isapi_redirect.dll will be indicator to know.

HTH, Carl.
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2. Re: CF 10 - Intermittent blank index page, status 200 not 404

TonightWeDineInHELL Nov 4, 2014 12:00 PM (in response to carl type3)

Hey Carl,
No errors in the ISAPI log. We have reinstalled several more times since the last time I posted. We have two identical instances of
the install, running in HyperV. One regularly gets the white-screen-of-death and the other does not. The one difference is, on the instance with no trouble, we never have more than 50 simultaneous connections. The glitchy instance seems to be blowing up at around 200 simultaneous connections. Any thoughts would be appreciated.
Thanks!
- Shawn
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3. Re: CF 10 - Intermittent blank index page, status 200 not 404

carl type3 Nov 4, 2014 8:35 PM (in response to TonightWeDineInHELL)

Hi Shawn,

For the CF server taking more load and getting errors perhaps you do well to apply some CF tomcat tuning. The official blog heading is CF11 however details apply to CF10 as well:

http://blogs.coldfusion.com/post.cfm/coldfusion-11-iis-connector-tuning

If you like some other insight into the matter of CF tomcat tuning I did a talk and demo. Here is recording:

http://vimeo.com/67571552

HTH, Carl.
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CF 10 - Intermittent blank index page, status 200 not 404

1. Re: CF 10 - Intermittent blank index page, status 200 not 404

2. Re: CF 10 - Intermittent blank index page, status 200 not 404

3. Re: CF 10 - Intermittent blank index page, status 200 not 404

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