Fix npe (#10457)

apache · Aug 15, 2022 · 6b095f1 · 6b095f1
1 parent 438519c
commit 6b095f1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/...n/java/org/apache/dubbo/configcenter/support/zookeeper/ZookeeperDynamicConfiguration.java b/...n/java/org/apache/dubbo/configcenter/support/zookeeper/ZookeeperDynamicConfiguration.java
    }

     @Override
     protected void doRemoveListener(String pathKey, ConfigurationListener listener) {
         ZookeeperDataListener zookeeperDataListener = cacheListener.removeListener(pathKey, listener);
-        if (CollectionUtils.isEmpty(zookeeperDataListener.getListeners())) {
+        if (zookeeperDataListener != null && CollectionUtils.isEmpty(zookeeperDataListener.getListeners())) {
             zkClient.removeDataListener(pathKey, zookeeperDataListener);
         }
     }
 }