Exception handling for GetLanguageBranches method

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 All notable changes to this project will be documented in this file.
 
+## [4.0.1]
+
+- Issue #146 - exception handling when something is wrong with the product content
+
 ## [4.0.0]
 
 - PR #136 EPiServer.Core.PageNotFoundException on parent content. Credits to [adnanzameerx](https://github.com/adnanzameerx).

src/Geta.SEO.Sitemaps/XML/SitemapXmlGenerator.cs

@@ -239,7 +239,11 @@ protected virtual IEnumerable<CurrentLanguageContent> GetLanguageBranches(Conten
                 return GetFallbackLanguageBranches(contentLink);
             }
 
-            return this.ContentRepository.GetLanguageBranches<IContent>(contentLink).Select(x => new CurrentLanguageContent { Content = x, CurrentLanguage = GetCurrentLanguage(x), MasterLanguage = GetMasterLanguage(x) });
+            if (TryGetLanguageBranches<IContent>(contentLink, out var contentLanguages))
+            {
+                return contentLanguages.Select(x => new CurrentLanguageContent { Content = x, CurrentLanguage = GetCurrentLanguage(x), MasterLanguage = GetMasterLanguage(x) });
+            }
+            return Enumerable.Empty<CurrentLanguageContent>();
         }
 
         protected virtual IEnumerable<CurrentLanguageContent> GetFallbackLanguageBranches(ContentReference contentLink)
@@ -611,5 +615,21 @@ protected bool TryGet<T>(ContentReference contentLink, out T content, LoaderOpti
 
             return false;
         }
+
+        protected bool TryGetLanguageBranches<T>(ContentReference contentLink, out IEnumerable<T> content) where T : IContentData
+        {
+            content = Enumerable.Empty<T>();
+            try
+            {
+                content = this.ContentRepository.GetLanguageBranches<T>(contentLink);
+
+                return true;
+            }
+            catch (Exception e)
+            {
+                Log.Error("Error getting language branches for contentReference " + contentLink + Environment.NewLine + e);
+            }
+            return false;
+        }
     }
 }