Include error message from later versions

More informative than current message.
Azure · Sep 28, 2021 · b4707f6 · b4707f6
1 parent c11bcb1
commit b4707f6
Showing 1 changed file with 7 additions and 5 deletions.
diff --git a/edge-hub/src/Microsoft.Azure.Devices.Edge.Hub.Core/config/ConfigUpdater.cs b/edge-hub/src/Microsoft.Azure.Devices.Edge.Hub.Core/config/ConfigUpdater.cs
@@ -56,14 +56,16 @@ await this.currentConfig.Match(
                     {
                         Events.GettingConfig();
                         await pullTask;
+
+                        this.currentConfig.Expect<InvalidOperationException>(() => throw new InvalidOperationException(
+                                        "Could not obtain twin neither from local store nor from cloud. " +
+                                        "This happens when there is no upstream connection and this is the first EdgeHub startup, " +
+                                        "or there is no persistent store to save a previous twin configuration. " +
+                                        "EdgeHub cannot start without basic configuration stored in twin. Stopping now."));
+
                         return this.currentConfig;
                     });
 
-                if (!this.currentConfig.HasValue)
-                {
-                    throw new InvalidOperationException("Could not initialize configuration");
-                }
-
                 // Start a periodic task to pull the config.
                 this.configUpdater = Option.Some(new PeriodicTask(() => this.PullConfig(c => c.GetConfig()), this.configUpdateFrequency, this.configUpdateFrequency, Events.Log, "Get EdgeHub config"));
                 Events.Initialized();