[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: Ncaishunfeng <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() {
+        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");
     }
 
     /**