[DS-6616][WorkerServer] fix worker stop fail and fakes death (#6621)

* [DS-6616][WorkerServer] fix worker stop fail and fakes death

* remove unuse test

* just add try catch to remove zk worker path

Co-authored-by: caishunfeng <534328519@qq.com>

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/registry/WorkerRegistryClient.java

@@ -122,15 +122,22 @@ public class WorkerRegistryClient {
      * remove registry info
      */
     public void unRegistry() {
-        String address = getLocalAddress();
-        Set<String> workerZkPaths = getWorkerZkPaths();
-        for (String workerZkPath : workerZkPaths) {
-            registryClient.remove(workerZkPath);
-            logger.info("worker node : {} unRegistry from ZK {}.", address, workerZkPath);
+        try {
+            String address = getLocalAddress();
+            Set<String> workerZkPaths = getWorkerZkPaths();
+            for (String workerZkPath : workerZkPaths) {
+                registryClient.remove(workerZkPath);
+                logger.info("worker node : {} unRegistry from ZK {}.", address, workerZkPath);
+            }
+        } catch (Exception ex) {
+            logger.error("remove worker zk path exception", ex);
         }
+
         this.heartBeatExecutor.shutdownNow();
         logger.info("heartbeat executor shutdown");
+
         registryClient.close();
+        logger.info("registry client closed");
     }
 
     /**