pagenotfound exception

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Steve Bentley 21 posts 64 karma points

May 03, 2016 @ 10:31

Hi,

I'm seeing the following errors repeated over and over again in my log file:

 2016-05-03 07:51:14,581 [P7732/D2/T146] ERROR SEOChecker.Core.Validation.SEOValidator - SEOChecker: Error during validating tag for document: 3255 using validator 'BrokenLinks'
System.ArgumentNullException: Value cannot be null.
Parameter name: format
   at System.String.Format(String format, Object arg0, Object arg1)
   at SEOChecker.Validators.ContentValidators.Links.BrokenLinkValidator.Parse(ValidationResult result, IUmbracoDocument document, HtmlDocument htmlDocument, IContextInfo contextInfo)
   at SEOChecker.Core.Validation.SEOValidator.Validate(ValidationResult validationResult, IUmbracoDocument document, HtmlDocument htmlDocument, IContextInfo context)

and

2016-05-03 08:25:30,805 [P7732/D2/T99] ERROR SEOChecker.HttpModules.UrlModule - SEOChecker: Error in PageNotFound Module
System.ArgumentException: No Document exists with id '0'
   at umbraco.cms.businesslogic.web.Document.setupNode()
   at SEOChecker.Core.Helpers.UmbracoPreviewHelper.EnsurePreviewXml(String url, Guid previewGuid)
   at SEOChecker.HttpModules.UrlModule.(Object , EventArgs )

Does anyone know what is causing this and what I can do to fix it?

Thanks

Steve

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Richard Soeteman 4046 posts 12899 karma points MVP 2x

May 03, 2016 @ 10:39
0
```
Hi Steve,
```
I assume you are using the latest version of SEOChecker?

The first error is propably because the page can't be requested using the WebRequest object, is it on all pages then please check if your server is allowing outgoing connections in IIS/Firewall.

The second one is propably becaus a redirect is using an unpublished page. Please check that.

Hope this helps,

Richard
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Steve Bentley 21 posts 64 karma points

May 03, 2016 @ 16:23

0

Hi Richard,

Thanks for your answer. It looks like we do have redirects setup to unpublished pages.

As for the first problem, it is not happening on all pages, so I guess the site must be reachable using WebRequest. The server is allowing outgoing connections ok.

Thanks

Steve

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Richard Soeteman 4046 posts 12899 karma points MVP 2x

May 04, 2016 @ 08:25

0

Could be that the page times out then it can't read the stream which is causing the exception.

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