From b1f88725b02209a1cf3fb3874e88aef6a698368c Mon Sep 17 00:00:00 2001
From: Dave Reed <dareed@microsoft.com>
Date: Mon, 29 Nov 2010 15:00:04 -0800
Subject: [PATCH] #16692: Better stack trace when loading a module fails
 because the types cannot be exported.

--HG--
branch : dev
---
 src/Orchard/Environment/Extensions/ExtensionManager.cs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Orchard/Environment/Extensions/ExtensionManager.cs b/src/Orchard/Environment/Extensions/ExtensionManager.cs
index fe7d405a9..d5a55cf8c 100644
--- a/src/Orchard/Environment/Extensions/ExtensionManager.cs
+++ b/src/Orchard/Environment/Extensions/ExtensionManager.cs
@@ -77,7 +77,13 @@ namespace Orchard.Environment.Extensions {
             var featureId = featureDescriptor.Id;
             var extensionId = extensionDescriptor.Id;
 
-            var extensionEntry = _cacheManager.Get(extensionId, ctx => BuildEntry(extensionDescriptor));
+            ExtensionEntry extensionEntry;
+            try {
+                extensionEntry = _cacheManager.Get(extensionId, ctx => BuildEntry(extensionDescriptor));
+            }
+            catch (Exception ex) {
+                throw new OrchardException(T("Error while loading extension '{0}'.", extensionId), ex);
+            }
             if (extensionEntry == null) {
                 // If the feature could not be compiled for some reason,
                 // return a "null" feature, i.e. a feature with no exported types.