pkuwm commented on a change in pull request #1035:
URL: https://github.com/apache/helix/pull/1035#discussion_r435405239
##########
File path:
zookeeper-api/src/main/java/org/apache/helix/zookeeper/zkclient/ZkClient.java
##########
@@ -1849,13 +1924,23 @@ private void checkDataSizeLimit(byte[] data) {
}
public void watchForData(final String path) {
- retryUntilConnected(new Callable<Object>() {
- @Override
- public Object call() throws Exception {
- getConnection().exists(path, true);
- return null;
+ watchForData(path, false);
+ }
+
+ private boolean watchForData(final String path, boolean
skipWatchingNodeNotExist) {
+ try {
+ if (skipWatchingNodeNotExist) {
+ Stat stat = new Stat();
Review comment:
I think it is quite standard to pass a null to it if we don't need a
stat. It is not guaranteed every use is in javadoc. The old release on GitHub:
https://github.com/apache/zookeeper/blob/82186f0d00ebf30640404afcb55ef741f38678c2/src/java/test/org/apache/zookeeper/test/AuthTest.java#L45
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