Task #9351 #9353 #9355: log message

SAS/DataManagement/StorageQueryService/cache.py

@@ -307,7 +307,9 @@ class CacheManager:
             if path in self._cache['paths']:
                 result = self._cache['paths'][path]
             else:
-                result = { 'found': False, 'path':path }
+                result = { 'found': False, 'path':path, 'message': 'unknown error' }
+                if not self.disk_usage.path_resolver.pathExists(path):
+                    result['message'] = 'No such path: %s' % path
 
         logger.info('cache.getDiskUsageForPath result: %s' % result)
         return result