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  • Elad Lachmi 112 posts 144 karma points
    Mar 29, 2012 @ 10:40
    Elad Lachmi
    0

    Umbraco on EC2 not stable

    I have had an Umbraco install running on EC2.

    Everything is working well, but once every few hours the server given a status of 500 with the error:

    The requested name is valid, but no data of the requested type was found

    The call stack shows an error is resolving DNS inside the client dependancy framework.

    SocketException (0x2afc): The requested name is valid, but no data of the requested type was found]
       System.Net.Dns.InternalGetHostByName(String hostName, Boolean includeIPv6) +7987115
       System.Net.Dns.GetHostAddresses(String hostNameOrAddress) +544
       ClientDependency.Core.UriExtensions.IsLocalUri(Uri uri) +184
       ClientDependency.Core.Module.<>c__DisplayClass2.<ReplaceContent>b__1(Match m) +337
       System.Text.RegularExpressions.RegexReplacement.Replace(MatchEvaluator evaluator, Regex regex, String input, Int32 count, Int32 startat) +302
       System.Text.RegularExpressions.Regex.Replace(String input, MatchEvaluator evaluator) +68
       ClientDependency.Core.Module.RogueFileFilter.ReplaceContent(String html, String namedGroup, String[] extensions, ClientDependencyType type, String regex) +147
       ClientDependency.Core.Module.RogueFileFilter.UpdateOutputHtml(String html) +240
       ClientDependency.Core.Module.ResponseFilterStream.OnTransformCompleteStringInternal(MemoryStream ms) +212
       ClientDependency.Core.Module.ResponseFilterStream.Flush() +106
       System.Web.HttpWriter.FilterIntegrated(Boolean finalFiltering, IIS7WorkerRequest wr) +603
       System.Web.HttpResponse.FilterOutput() +121
       System.Web.CallFilterExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +168
       System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +270

    Has anyone seen this error before?

    I had the site hosted @ GoDaddy for a year and have never seen this error.

    Thanks!

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