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ColdFusion11 to IIS communication stopped working

Community Beginner ,
Oct 12, 2017 Oct 12, 2017

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Installed ColdFusion11 and IIS8.  And the site is configured on IIS8, site working fine. But all of a sudden it started giving Error 503, verified the services it was running, log doesn't not describe any error. Restarted the ColdFusion Instance but no use the site still doesn't respond. 

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Advocate ,
Oct 12, 2017 Oct 12, 2017

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What do the Coldfusion logs say?

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Community Beginner ,
Oct 12, 2017 Oct 12, 2017

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Error 503, ColdFusion doesn't have any particular logs related to that.

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Explorer ,
Oct 12, 2017 Oct 12, 2017

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Have you checked to see if the IIS Application Pool for the IIS Site is running? Sometimes the Application pool can crash due to performance tuning issues.  If it has crashed, restart the Application Pool. From there we will have to look at tuning the Tomcat/IIS connector properties.

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Community Beginner ,
Oct 12, 2017 Oct 12, 2017

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Wilgeno,

Thanks for the info! I have already restarted the Applicationpoolldentity for this application. But, no use.

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Explorer ,
Oct 12, 2017 Oct 12, 2017

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Okay, lets check the basic things.

  1. Is the jakarta alias still configured? It should alias to the [coldfusionroot]/config/wsconfig/[magic number].  If ColdFusion connectors are configured for all sites the 'magic number' is usually 1. 
  2. Make sure that the above folder is still in place.
  3. Make sure the Isapi Filter 'tomcat' is still configured in IIS for this site.
  4. Check to see the Handler Mappings for ColdFusion are still configured in IIS for this site.
  5. Check the web.config file. Some settings are stored in there. If the file was overwritten or removed and ColdFusion specific settings got lost, that can cause this issue.

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Community Beginner ,
Oct 12, 2017 Oct 12, 2017

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Appreciate your time..

1. CFIDE and Jakarta are there, and we've only one single application configured under this Instance.

2. I've verified that /runtime/bin/wsconfig.exe

3. Yes!

4. Handler Mappings are present in IIS manager.

5. web.confiig is simple and clear it has anonymous authentication true and impersonation "off".

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Explorer ,
Oct 12, 2017 Oct 12, 2017

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In IIS under Error Pages for the site click Edit Feature Settings (right hand side) and turn on Detailed Errors. Then report back with the exact IIS 503 error. 

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Community Beginner ,
Oct 13, 2017 Oct 13, 2017

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IIS under Error Pages-for that site Edit Feature settings-> I enabled the details error.

I've re-configured the connector it's started working fine now.

Thank You!

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Community Beginner ,
Oct 12, 2017 Oct 12, 2017

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I create a "Failed Request Tracing Rules" in the IIS Manager to capture some information.

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Community Beginner ,
Mar 12, 2018 Mar 12, 2018

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We have 4 ENT servers (CF11) behind an F5. We're having random issues where the CF application pool shuts down out of the blue.  It generally points back to the isapi_redirect.dll

Here are the details:

Faulting application name: w3wp.exe, version: 8.5.9600.16384, time stamp: 0x5215df96

Faulting module name: isapi_redirect.dll, version: 1.2.37.0, time stamp: 0x532bd775

Exception code: 0xc0000409

Fault offset: 0x0000000000045c64

Faulting process id: 0x1b1c

Faulting application start time: 0x01d3ba23973c569c

Faulting application path: c:\windows\system32\inetsrv\w3wp.exe

Faulting module path: E:\ColdFusion11\config\wsconfig\1\isapi_redirect.dll

Report Id: daef8fd0-2616-11e8-8121-005056a85183

Faulting package full name:

Faulting package-relative application ID:

it will throw off 4-6 of these rapid fire then the application pool stops.

Thoughts?

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Explorer ,
Mar 22, 2018 Mar 22, 2018

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Please note you would start your own thread. However, the issue is most likely you need to tune the Tomcat/IIS connection properties in worker.properties.  See this extremely helpful blog post by Anit to learn how to tune the connector properties.  https://coldfusion.adobe.com/2014/05/coldfusion-11-iis-connector-tuning/ 

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