ArgumentOutOfRangeException on Bad Requests

Hi!

While doing some testing i found out that umbraco (i have 4.0.3) throws an Exception whenever a Page is requested with some "?a=b[whatever]&umbPageId=23343"... seems to be bug in Umbraco..

Even happens on the official Umbraco Homepage: http://umbraco.org/?a=b&umbPageId=234

The following error message was generated by umbraco.org server when called with above URL (and is exactly the same message i get):

Server Error in '/' Application.

Length cannot be less than zero.
Parameter name: length

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.ArgumentOutOfRangeException: Length cannot be less than zero.
Parameter name: length

Source Error:


An unhandled exception was generated during the execution of the
current web request. Information regarding the origin and location of
the exception can be identified using the exception stack trace below.

Stack Trace:

[ArgumentOutOfRangeException: Length cannot be less than zero.
Parameter name: length]
   System.String.InternalSubStringWithChecks(Int32 startIndex, Int32 length, Boolean fAlwaysCopy) +7492983
   umbraco.presentation.requestModule.UmbracoRewrite(Object sender, EventArgs e) +857
   umbraco.presentation.requestModule.Application_PostAuthorizeRequest(Object sender, EventArgs e) +9
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +68
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75

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Aaron Powell 1708 posts 3046 karma points c-trib

Feb 22, 2010 @ 22:54

100

The problem is caused because the Umbraco Request module expects that the umbPageId query string value to be the first, not the last. Also, you really shouldn't have a need to use umbPageId as a query string parameter, you should use umbraco.library.NiceUrl to generate the formatted URL for the page.

You should raise an issue on codeplex but it is a very obscure bug.

Also, FYI, if you add an additional 5 characters before &umbPageId then you'll not have a problem (see http://umbraco.org/?a=basdas&umbPageId=234)

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ArgumentOutOfRangeException on Bad Requests

Server Error in '/' Application.

Length cannot be less than zero.Parameter name: length

Length cannot be less than zero.
Parameter name: length