Scott Wang updated ZOOKEEPER-682:

    Attachment: ZOOKEEPER-682.patch

Java test case related to this problem is added to the patch attached.

The code provides the similar functionality in the c client is investigated:

The sub_string function checks if server_path and chroot path are the same and 
returns "/" if they are the same, so it seems that this problem does not occur 
on the c client.

However, I don't know how to add the test case of this problem to the test 
cases in c. Anyone can help?

> Event is not processed when the watcher is set to watch "/" if chrooted
> -----------------------------------------------------------------------
>                 Key: ZOOKEEPER-682
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-682
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: java client
>    Affects Versions: 3.2.2
>            Reporter: Scott Wang
>            Assignee: Scott Wang
>            Priority: Blocker
>             Fix For: 3.3.0
>         Attachments: ZOOKEEPER-682.patch, ZOOKEEPER-682.patch
> After the event notification response from server is received, the client 
> will convert the server path to the client path if chrooted by:
> event.setPath(serverPath.substring(chrootPath.length());
> If chrootPath and serverPath are the same, then the event's path will be set 
> to a null string.
> But the key of the watcher's map is "/", not a null string, so the watcher 
> will not get notified at all.

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