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authorAndrew Arnott <andrewarnott@gmail.com>2009-10-08 09:07:59 -0700
committerAndrew Arnott <andrewarnott@gmail.com>2009-10-08 09:07:59 -0700
commitf64b12624553daa62376c933fb37abe667306749 (patch)
treeabc3d0f7c5a0c39166823379c04a9bb16b4ef37c /src
parent07235e4d3aa03c3ea3597ad3f21e1cd265b81702 (diff)
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Fixed unhandled NullReferenceException when an OpenIdButton's discovery fails.
Diffstat (limited to 'src')
-rw-r--r--src/DotNetOpenAuth/OpenId/RelyingParty/OpenIdButton.cs8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/DotNetOpenAuth/OpenId/RelyingParty/OpenIdButton.cs b/src/DotNetOpenAuth/OpenId/RelyingParty/OpenIdButton.cs
index 8b517b4..a090032 100644
--- a/src/DotNetOpenAuth/OpenId/RelyingParty/OpenIdButton.cs
+++ b/src/DotNetOpenAuth/OpenId/RelyingParty/OpenIdButton.cs
@@ -118,8 +118,12 @@ namespace DotNetOpenAuth.OpenId.RelyingParty {
/// <param name="eventArgument">A <see cref="T:System.String"/> that represents an optional event argument to be passed to the event handler.</param>
public void RaisePostBackEvent(string eventArgument) {
if (!this.PrecreateRequest) {
- IAuthenticationRequest request = this.CreateRequests().FirstOrDefault();
- request.RedirectToProvider();
+ try {
+ IAuthenticationRequest request = this.CreateRequests().First();
+ request.RedirectToProvider();
+ } catch (InvalidOperationException ex) {
+ throw ErrorUtilities.Wrap(ex, OpenIdStrings.OpenIdEndpointNotFound);
+ }
}
}