Use last valid config in case of failed reload

hivemq · Feb 18, 2021 · 03de237 · 03de237
1 parent 3ac8995
commit 03de237
Showing 1 changed file with 9 additions and 2 deletions.
diff --git a/src/main/java/com/hivemq/extensions/discovery/azure/client/AzureStorageClient.java b/src/main/java/com/hivemq/extensions/discovery/azure/client/AzureStorageClient.java
@@ -55,9 +55,16 @@ public void createOrUpdate() throws IllegalStateException, IllegalArgumentExcept
 
         final AzureDiscoveryConfig newAzureDiscoveryConfig = configReader.readConfiguration();
         if (newAzureDiscoveryConfig == null) {
-            throw new IllegalStateException("Configuration of the Azure Cluster Discovery Extension couldn't be loaded.");
+            if (azureDiscoveryConfig != null) {
+                log.warn("Configuration of the Azure Cluster Discovery Extension couldn't be loaded. Using last valid configuration.");
+            }
+            else {
+                throw new IllegalStateException("Configuration of the Azure Cluster Discovery Extension couldn't be loaded.");
+            }
+        }
+        else {
+            azureDiscoveryConfig = newAzureDiscoveryConfig;
         }
-        azureDiscoveryConfig = newAzureDiscoveryConfig;
 
         final String connectionString = azureDiscoveryConfig.getConnectionString();
         final String containerName = azureDiscoveryConfig.getContainerName();