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