Improve exception info when users share types between sagas (#703) (#930

) Co-authored-by: Ramon Smits <ramon.smits@gmail.com>
Particular · Dec 26, 2022 · 57295f2 · 57295f2
1 parent f0dcc8e
commit 57295f2
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/src/NServiceBus.NHibernate/SagaPersisters/SagaModelMapper.cs b/src/NServiceBus.NHibernate/SagaPersisters/SagaModelMapper.cs
@@ -67,7 +67,15 @@ public static List<string> AddMappings(Configuration configuration, SagaMetadata
                     idx.AddColumns(foreignKey.ColumnIterator);
                     idx.Name = "IDX" + foreignKey.Name.Substring(2);
                     idx.Table = table;
-                    table.AddIndex(idx);
+
+                    try
+                    {
+                        table.AddIndex(idx);
+                    }
+                    catch (MappingException e)
+                    {
+                        throw new Exception("Failed to add index! Are your sagas sharing types?", e);
+                    }
                 }
             }