[Mono-dev] IndexOutOfRangeException in UriTemplate.Match

David Curylo curylod at asme.org
Sat Jan 31 03:47:32 UTC 2015

I ran into a small problem with UriTemplate on mono vs. .NET.  The code below works on .NET, but raises an IndexOutOfRangeException on mono:

var uriTemplate = new System.UriTemplate("/{mystuff}/*", true);
uriTemplate.Match(new Uri("http://server"), new Uri("http://server/mystuff/path?blah"));

The problem is here: https://github.com/mono/mono/blob/master/mcs/class/System.ServiceModel.Web/System/UriTemplate.cs#L324

The query parameters are split on ‘=‘ but nothing checks that there are two values in the resulting array before trying to access the second element.

PR: https://github.com/mono/mono/pull/1542


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