fx19880617 commented on a change in pull request #6558:
URL: https://github.com/apache/incubator-pinot/pull/6558#discussion_r574086569



##########
File path: 
pinot-common/src/main/java/org/apache/pinot/common/utils/ZkStarter.java
##########
@@ -154,18 +156,23 @@ public synchronized static ZookeeperInstance 
startLocalZkServer(final int port,
         public void run() {
           try {
             zookeeperServerMain.initializeAndRun(args);
-          } catch (QuorumPeerConfig.ConfigException e) {
-            LOGGER.warn("Caught exception while starting ZK", e);
-          } catch (IOException e) {
+          } catch (Exception e) {
             LOGGER.warn("Caught exception while starting ZK", e);
           }
         }
       }.start();
 
       // Wait until the ZK server is started
-      ZkClient client = new ZkClient("localhost:" + port, 10000);
-      client.waitUntilConnected(10L, TimeUnit.SECONDS);
-      client.close();
+      for (int i = 0; i < 10; i++) {

Review comment:
       ah, yes!
   added a break after the `client.close()`




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