Author Topic: Problem with Web support form  (Read 4656 times)

TimArends

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Problem with Web support form
« on: April 08, 2010, 03:10:16 am »
I attempted to use the Web (email) support form tonight using Safari 4 and got the following error. I have not tested it on different browsers.

______________________________

Server Error in '/' Application.

Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Web.HttpException: Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.

Source Error:


[No relevant source lines]

Source File: c:\windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\67741eec\a14b85a0\App_Web_s5caannd.5.cs    Line: 0

Stack Trace:


[HttpException (0x80004005): Unable to validate data.]
   System.Web.Configuration.MachineKeySection.GetDecodedData(Byte[] buf, Byte[] modifier, Int32 start, Int32 length, Int32& dataLength) +289
   System.Web.UI.ObjectStateFormatter.Deserialize(String inputString) +140

[ViewStateException: Invalid viewstate.
   Client IP: 96.248.145.94
   Port: 50689
   User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_8; en-us) AppleWebKit/530.19.2 (KHTML, like Gecko) Version/4.0.2 Safari/530.19
   ViewState: /wEPDwULLTE0OTA4NDg0NjRkZAFlbToLMvFle2jxEZ20Q8flOylF
   Referer: http://www.alpinesoft.co.uk/VinylStudio/support.aspx?platform=OS_X_10_5_8&partner=&email=cybernettr@aol.com
   Path: /VinylStudio/contact_us.aspx]

[HttpException (0x80004005): Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.]
   System.Web.UI.ViewStateException.ThrowError(Exception inner, String persistedState, String errorPageMessage, Boolean macValidationError) +106
   System.Web.UI.ViewStateException.ThrowMacValidationError(Exception inner, String persistedState) +14
   System.Web.UI.ObjectStateFormatter.Deserialize(String inputString) +242
   System.Web.UI.ObjectStateFormatter.System.Web.UI.IStateFormatter.Deserialize(String serializedState) +4
   System.Web.UI.Util.DeserializeWithAssert(IStateFormatter formatter, String serializedState) +37
   System.Web.UI.HiddenFieldPageStatePersister.Load() +207
   System.Web.UI.Page.LoadPageStateFromPersistenceMedium() +105
   System.Web.UI.Page.LoadAllState() +43
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +6785
   System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +242
   System.Web.UI.Page.ProcessRequest() +80
   System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) +21
   System.Web.UI.Page.ProcessRequest(HttpContext context) +49
   ASP.vinylstudio_contact_us_aspx.ProcessRequest(HttpContext context) in c:\windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\67741eec\a14b85a0\App_Web_s5caannd.5.cs:0
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +181
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75

Version Information: Microsoft .NET Framework Version:2.0.50727.3603; ASP.NET Version:2.0.50727.3082

Paul Sanders (AlpineSoft)

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Re: Problem with Web support form
« Reply #1 on: April 08, 2010, 08:33:47 am »
Thanks for reporting this.  I will investigate and report back here.

Paul Sanders (AlpineSoft)

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Re: Problem with Web support form
« Reply #2 on: April 08, 2010, 03:45:02 pm »
OK, I took a look - using Safari 4 - and it works for me.  What I think probably happened is that a longish period of time elapsed between visiting the page and entering your message.  There is a timeout on the form - not my choice, by the way - which causes this error if you wait too long.  I will see if this can be got rid of.

Update: I believe this is now fixed.  You should now be able to compose your message at leisure.
« Last Edit: April 08, 2010, 04:45:26 pm by Paul Sanders (AlpineSoft) »