Hi,

I am getting a ton of these errors in my error log (seems to be every couple of minutes) with about 30 an hour:

Any ideas what causes them? I rememer seeing an issue with load-balanced servers where the MAC keys were different on each server, but this is not the case here...

AssemblyVersion: 04.05.01
PortalID: 6
PortalName: PokerDIY
UserID: -1
UserName:
ActiveTabID: 391
ActiveTabName: Poker Player Profile
RawURL: /Home/UserProfile/tabid/391/ID/1781/Default.aspx
AbsoluteURL: /Default.aspx
AbsoluteURLReferrer: http://www.pokerdiy.com/Home/UserProfile/tabid/391/ID/1781/Default.aspx
UserAgent: Opera/9.0 (Windows NT 5.1; U; en)
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: 103ffc93-d507-43bb-821c-c8dc8a1271ef
InnerException: The state information is invalid for this page and might be corrupted.
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: System.Convert.FromBase64String
StackTrace:
Message: DotNetNuke.Services.Exceptions.PageLoadException: The state information is invalid for this page and might be corrupted. ---> System.Web.HttpException: The state information is invalid for this page and might be corrupted. ---> System.Web.UI.ViewStateException: Invalid viewstate. Client IP: 61.90.228.110Port: 26392User-Agent: Opera/9.0 (Windows NT 5.1; U; en)ViewState: 9vStyPdLBgWicsvFJKspZpLylnb9ry7pVwC9lxVLfdNXbcHw0qhyadlFpn7UaJXPcLAtaU1AwcIa5jTYRXm0l6ezkLMcTi26MiGQ7ep1p8A2PK2E/O7GmgbRjJu5RvBfqIr9B0GjpFXWLZ0FJ2zO5UxsH/mWi5iWF3iD1u1uNq8ebX9MRsuVffK5ZL1GUqKc4uGD4aLfzVtD AeHcB847krTtrQak8Vc6DV5V2ynVc4kUmuzFMQiFNHLTBfBZCnoYnUyyfzlf8V/SGJElwJN1AOHeUZTaaY5OFbb03W392EoqxOk7zjXhzo58rbPxSs4e41UEye IrkcdZlY3/ZlCsBgtPmoy4x73ixxnXUu90A6PG1y8kJUSEYWGxLWKOPvTz z/Qj9zN0hNjK9N6hBdUna1shfDsgqvP2OF9TZnU9aRpfgN tUEhKNTcR7N56SWV8i2uPDDI6c57Ie9cqEtes85WQBL6k5os2zUEYYPYPlQliKlf5nrJsKCL29YI3Hjc8LthnRh1T cMCZoVRN0L5p8QTCGWn4UQ57NwET/sOAf3bVhsg97QEsDf2zb2ihqKfxjvTgUGipC4qT18urEXFCPEbzph/QydxmoMASFLu4UCARglbTKe KVeH5HXgB4Hri64a9thBn5tM9zItdDuKU13kxt vZ/K53ibZJv2i1kjimcOManuPDPAZiBWVCSoBcf7I6dftWlXLWT2qZVeoB54KYxwT0LQUQfEuFd rm z6ZKLT6zxa4 8xDKU6uFKRtnTBvlmqCFZDRvVuJO7MMj7prl7SguiRhpWGHzGYokBoQToHwdoVX1dV2JcSs8UQs7Ba XcTGCVo4djB8Qf/ByPxb7ipyIE6XGS//9HzkrnRDSwR5S9hydgn6UXAiq5mKi mCyqhLlfNA0ZYWu... ---> System.FormatException: Invalid length for a Base-64 char array.at System.Convert.FromBase64String(String s)at System.Web.UI.ObjectStateFormatter.Deserialize(String inputString)at System.Web.UI.ObjectStateFormatter.System.Web.UI.IStateFormatter.Deserialize(String serializedState)at System.Web.UI.Util.DeserializeWithAssert(IStateFormatter formatter, String serializedState)at System.Web.UI.HiddenFieldPageStatePersister.Load()--- End of inner exception stack trace ------ End of inner exception stack trace ---at System.Web.UI.ViewStateException.ThrowError(Exception inner, String persistedState, String errorPageMessage, Boolean macValidationError)at System.Web.UI.HiddenFieldPageStatePersister.Load()at System.Web.UI.Page.LoadPageStateFromPersistenceMedium()at System.Web.UI.Page.LoadAllState()at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)--- End of inner exception stack trace ---
Source:
Server Name: VE141

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This seems to be a bug in .Net 2.0. I have thousands of these errors every day.

there are a large number of potential causes of this (http://support.microsoft.com/default.aspx?scid=kb;EN-US;829743 details the majority of these). We protect against one of the common ones in dotnetnuke by specifing a fixed validationkey to avoid the process recycling issue), but perhaps one of the other issues is causing this. In addition I know of at least one other asp.net 2.0 specific issue that there is no fix for (http://forums.asp.net/p/955145/1173230.aspx), perhaps that's it. Sorry I can't offer any other advice other than trying some of the options suggested by Microsoft to see if your issue is resolvable.

Cathal