kaisun2000 commented on a change in pull request #1035:
URL: https://github.com/apache/helix/pull/1035#discussion_r435010918
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File path:
helix-core/src/main/java/org/apache/helix/manager/zk/CallbackHandler.java
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@@ -555,7 +563,7 @@ private void subscribeDataChange(String path,
NotificationContext.Type callbackT
logger.debug(_manager.getInstanceName() + " subscribe data-change.
path: " + path
+ ", listener: " + _listener);
}
- _zkClient.subscribeDataChanges(path, this);
+ _zkClient.subscribeDataChanges(path, this, callbackType != Type.INIT);
Review comment:
If CallbackType is CALLBACK, ignore it is just want we want. That is
exactly the case of async removal of a task current state node from server
would do.
If CallbackType is INIT, it would not fail.
So let us add a debug log.
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