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  • Michael Sims 119 posts 387 karma points
    Aug 18, 2016 @ 22:31
    Michael Sims
    0

    SEOChecker: Error in PageNotFound Module

    Has anyone come up with a solution for this error yet?

    2016-08-18 00:06:48,566 [P18936/D2/T333] ERROR SEOChecker.HttpModules.UrlModule - SEOChecker: Error in PageNotFound Module
    System.InvalidOperationException: Collection was modified; enumeration operation may not execute.
       at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource)
       at System.Collections.Generic.List`1.Enumerator.MoveNextRare()
       at System.Collections.Generic.List`1.Enumerator.MoveNext()
       at SEOChecker.Core.Repository.UrlHistory.UrlHistoryRepository.GetNodeIdByUrl(Uri uri)
       at SEOChecker.Core.Providers.NotFoundProviders.SEOCheckerContentNotFoundurlHistoryProvider.GetResultByUrl(Uri uri)
       at SEOChecker.Core.Providers.NotFoundProviders.SEONotFoundProviders.GetResultByUri(Uri uri)
       at SEOChecker.HttpModules.UrlModule.(Object , EventArgs )
    

    I've seen plenty of people ask about it but seems like it doesn't ever get answered.

    I hate to be negative about what is on the surface of it a great product but this is hammering the performance on my server and making me think I really shouldn't be using this in a production environment.

    Any moments of genius or inspiration greatly appreciated!

    Thanks

  • Richard Soeteman 3722 posts 11521 karma points MVP
    Aug 19, 2016 @ 05:53
    Richard Soeteman
    0

    Hi Michael,

    Best to clear the UrlHistory table. It is probably because duplicates url parts are stored but it's a hard bug to reproduce. V2 will not have this issue since it's not using the database anymore. Most environments don't have this by the way :)

    Sorry you had this issue.

    Best,

    Richard

  • Michael Sims 119 posts 387 karma points
    Aug 31, 2016 @ 12:01
    Michael Sims
    0

    Hi Richard, I've cleared the table but am still getting exactly the same issue.

    Any ideas?

    Mike

  • Richard Soeteman 3722 posts 11521 karma points MVP
    Aug 31, 2016 @ 12:24
    Richard Soeteman
    0

    Clear cache by restarting site?

  • Michael Sims 119 posts 387 karma points
    Sep 01, 2016 @ 09:37
    Michael Sims
    0

    No that didn't work. Still the same issue.

  • Michael Sims 119 posts 387 karma points
    Sep 14, 2016 @ 21:27
    Michael Sims
    0

    Hi Richard, Just wondering if you had any other suggestions for fixing this issue?

    I know you mentioned this was difficult to replicate but we seem to be experiencing this on all of our sites using SEO Checker (about 5) - happy to provide additional information or be a guinea pig in trying to resolve as if we can't we will need to remove the package.

    Thanks

  • Richard Soeteman 3722 posts 11521 karma points MVP
    Sep 15, 2016 @ 06:44
    Richard Soeteman
    0

    Hi Michael,

    Sorry for not getting back. did not receive a notification about the last mail. But would it be possible to share one of the sites (files + db) with me? Then I can run in debug mode. If possible please send an email to support@soetemansoftware.nl

    Thanks,

    Richard

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