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https://issues.apache.org/jira/browse/ZOOKEEPER-2680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15853161#comment-15853161
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ASF GitHub Bot commented on ZOOKEEPER-2680:
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GitHub user arshadmohammad opened a pull request:
https://github.com/apache/zookeeper/pull/162
ZOOKEEPER-2680: Correct DataNode.getChildren() inconsistent behaviour.
:branch-3.4
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/arshadmohammad/zookeeper ZOOKEEPER-2680-br-3.4
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zookeeper/pull/162.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #162
----
commit 30c1d1bc89ed142975205ca7d75cd71a077b7f72
Author: Mohammad Arshad <ars...@apache.org>
Date: 2017-02-05T08:10:03Z
ZOOKEEPER-2680: Correct DataNode.getChildren() inconsistent behaviour.
----
> Correct DataNode.getChildren() inconsistent behaviour.
> ------------------------------------------------------
>
> Key: ZOOKEEPER-2680
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2680
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Affects Versions: 3.4.9, 3.5.1
> Reporter: Mohammad Arshad
> Assignee: Mohammad Arshad
> Fix For: 3.4.10, 3.5.3, 3.6.0
>
> Attachments: ZOOKEEPER-2680-01.patch
>
>
> DataNode.getChildren() API returns null and empty set if there are no
> children in it depending on when the API is called. DataNode.getChildren()
> API behavior should be changed and it should always return empty set if the
> node does not have any child
> *DataNode.getChildren() API Current Behavior:*
> # returns null initially
> When DataNode is created and no children are added yet,
> DataNode.getChildren() returns null
> # returns empty set after all the children are deleted:
> created a Node
> add a child
> delete the child
> DataNode.getChildren() returns empty set.
> After fix DataNode.getChildren() should return empty set in all the above
> cases.
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