anmolnar commented on a change in pull request #823: ZOOKEEPER-2694:sync CLI 
command does not wait for result from server
URL: https://github.com/apache/zookeeper/pull/823#discussion_r264821463
 
 

 ##########
 File path: 
zookeeper-server/src/main/java/org/apache/zookeeper/cli/SyncCommand.java
 ##########
 @@ -55,14 +57,18 @@ public CliCommand parse(String[] cmdArgs) throws 
CliParseException {
     @Override
     public boolean exec() throws CliException {
         String path = args[1];
+        CountDownLatch latch = new CountDownLatch(1);
+        final int[] resultCode = new int[1];
         try {
             zk.sync(path, new AsyncCallback.VoidCallback() {
-
                 public void processResult(int rc, String path, Object ctx) {
-                    out.println("Sync returned " + rc);
+                    resultCode[0] = rc;
+                    latch.countDown();
                 }
             }, null);
-        } catch (IllegalArgumentException ex) {
+            latch.await();
 
 Review comment:
   Wouldn't it be safer to wait for some reasonable amount of time (30s) rather 
than waiting indefinitely?

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org


With regards,
Apache Git Services

Reply via email to