通常、Google OpenIdの使用は、1日に数千回正常に機能します。その後、断続的に問題が発生し、1時間ほどタイムアウトします(一部のリクエストは検証されますが、すべてではありません)。繰り返し検証を行うと、最終的には機能します。
エラーメッセージは次のとおりです。
Event code: 200000
Event message: No OpenID endpoint found. : https://www.google.com/accounts/o8/id
Sequence contains no elements
log4netを追加すると、次のようになります。
DotNetOpenAuth.Yadis:
Error while performing discovery on: "https://www.google.com/accounts/o8/id":
DotNetOpenAuth.Messaging.ProtocolException:
Error occurred while sending a direct message or getting the response.
---> System.Net.WebException: The operation has timed out
at System.Net.HttpWebRequest.GetResponse()
at DotNetOpenAuth.Messaging.StandardWebRequestHandler.GetResponse
(HttpWebRequest request, DirectWebRequestOptions options)
in c:\...\Dot...Core\Messaging\StandardWebRequestHandler.cs:line 127
--- End of inner exception stack trace ---
at DotNetOpenAuth.Messaging.StandardWebRequestHandler.GetResponse
(HttpWebRequest request, DirectWebRequestOptions options)
in c:\...\Dot...Core\Messaging\StandardWebRequestHandler.cs:line 175
at DotNetOpenAuth.Messaging.UntrustedWebRequestHandler.GetResponse
(HttpWebRequest request, DirectWebRequestOptions options)
in c:\...\Dot...Core\Messaging\UntrustedWebRequestHandler.cs:line 250
at DotNetOpenAuth.Yadis.Yadis.Request
(IDirectWebRequestHandler requestHandler,
Uri uri, Boolean requireSsl, String[] acceptTypes)
in c:\...\Dot...OpenId\Yadis\Yadis.cs:line 172
at DotNetOpenAuth.Yadis.Yadis.Discover
(IDirectWebRequestHandler requestHandler, UriIdentifier uri, Boolean requireSsl)
in c:\...\DotNetOpenAuth.OpenId\Yadis\Yadis.cs:line 63
at DotNetOpenAuth.OpenId.UriDiscoveryService.Discover
(Identifier identifier, IDirectWebRequestHandler requestHandler,
Boolean& abortDiscoveryChain)
in c:\...\DotNet...OpenId\OpenId\UriDiscoveryService.cs:line 51
at DotNetOpenAuth.OpenId.IdentifierDiscoveryServices.Discover
(Identifier identifier)
in c:\...\Dot...OpenId\OpenId\IdentifierDiscoveryServices.cs:line 58
at DotNetOpenAuth.OpenId.RelyingParty.AuthenticationRequest.Create
(Identifier userSuppliedIdentifier, OpenIdRelyingParty relyingParty,
Realm realm, Uri returnToUrl, Boolean createNewAssociationsAsNeeded)
in ...OpenId.RelyingParty\OpenId\RelyingParty\AuthenticationRequest.cs:line 364
と
DotNetOpenAuth.Http WebException:
Timeout from https://www.google.com/accounts/o8/id, no response available.
何か案は?