fix mounting across multiple instances

repertory/repertory/src/ui/mgmt_app_config.cpp

@@ -46,8 +46,12 @@ namespace {
   }
 
   for (auto &[prov, map] : map_of_maps) {
-    for (const auto &[key, value] :
+    auto prov_str = repertory::provider_type_to_string(prov);
-         json[repertory::provider_type_to_string(prov)].items()) {
+    if (!json.contains(prov_str)) {
+      continue;
+    }
+
+    for (const auto &[key, value] : json.at(prov_str).items()) {
       map[key] = value;
     }
   }

web/repertory/lib/models/mount.dart

@@ -85,6 +85,29 @@ class Mount with ChangeNotifier {
     }
   }
 
+  Future<String?> getMountLocation() async {
+    try {
+      final response = await http.get(
+        Uri.parse(
+          Uri.encodeFull(
+            '${getBaseUri()}/api/v1/mount_location?name=$name&type=$type',
+          ),
+        ),
+      );
+
+      if (response.statusCode != 200) {
+        return null;
+      }
+
+      final location = jsonDecode(response.body)['Location'] as String;
+      return location.trim().isEmpty ? null : location;
+    } catch (e) {
+      debugPrint('$e');
+    }
+
+    return null;
+  }
+
   Future<bool> mount(bool unmount, {String? location}) async {
     try {
       _isMounting = true;
@@ -166,27 +189,4 @@ class Mount with ChangeNotifier {
       debugPrint('$e');
     }
   }
-
-  Future<String?> getMountLocation() async {
-    try {
-      final response = await http.get(
-        Uri.parse(
-          Uri.encodeFull(
-            '${getBaseUri()}/api/v1/mount_location?name=$name&type=$type',
-          ),
-        ),
-      );
-
-      if (response.statusCode != 200) {
-        return null;
-      }
-
-      final location = jsonDecode(response.body)['Location'] as String;
-      return location.trim().isEmpty ? null : location;
-    } catch (e) {
-      debugPrint('$e');
-    }
-
-    return null;
-  }
 }

web/repertory/lib/widgets/mount_widget.dart

@@ -109,13 +109,16 @@ class _MountWidgetState extends State<MountWidget> {
 
           final success = await mount.mount(mounted, location: location);
           if (success ||
-              mount.mounted! ||
+              mounted ||
               constants.navigatorKey.currentContext == null ||
               !constants.navigatorKey.currentContext!.mounted) {
             return cleanup();
           }
 
-          displayErrorMessage(context, "Mount location is not available");
+          displayErrorMessage(
+            context,
+            "Mount location is not available: $location",
+          );
           cleanup();
         }
         : null;