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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-2680) Correct DataNode.getChildren() inconsistent behaviour.
Date Sun, 05 Feb 2017 06:20:41 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15853133#comment-15853133
] 

ASF GitHub Bot commented on ZOOKEEPER-2680:
-------------------------------------------

Github user hanm commented on the issue:

    https://github.com/apache/zookeeper/pull/160
  
    +1, merging to master (the jira mentioned patch to 3.4 and 3.5 will be sent separately).


> 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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