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mithleshkumar1992
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Joined Jul 25, 2023
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The client disconnected. ---> System.Web.UI.ViewStateException: Invalid viewstate.
We have deployed an .NET application in production server on F5 load balancer. We are getting view state exception when we try to save a form. Server version :2019 IIS version :10.0.17763 .NET version: 4.7.2 load Balancer :F5 Exception : 2023-07-25 06:20:42,967 [25] INFO OpusPortalInfoLogger [(null)] - Calling Webservice Method AllowedAppsByUser 2023-07-25 06:26:29,282 [23] ERROR ProgspexLogger [(null)] - ProgSpexWorksheet.aspx: Error Occured in Page_Error System.Web.HttpException (0x80004005): The client disconnected. ---> System.Web.UI.ViewStateException: Invalid viewstate. Client IP: XX.XXX.XX.XXX Port: 53032 Referer: http://WebsiteIp/ProgSpex/Worksheet.aspx Path: /ProgSpex/Worksheet.aspx User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1823.82 ViewState: 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... ---> System.FormatException: Invalid length for a Base-64 char array or string. at System.Convert.FromBase64_Decode(Char* startInputPtr, Int32 inputLength, Byte* startDestPtr, Int32 destLength) at System.Convert.FromBase64CharPtr(Char* inputPtr, Int32 inputLength) at System.Convert.FromBase64String(String s) at System.Web.UI.ObjectStateFormatter.Deserialize(String inputString, Purpose purpose) at System.Web.UI.ObjectStateFormatter.System.Web.UI.IStateFormatter2.Deserialize(String serializedState, Purpose purpose) at System.Web.UI.Util.DeserializeWithAssert(IStateFormatter2 formatter, String serializedState, Purpose purpose) at System.Web.UI.HiddenFieldPageStatePersister.Load() --- 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) we need a exact solution to fix it and reason behind it to understand this issue.1.4KViews0likes0Comments
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