[jira] [Commented] (ZOOKEEPER-2931) WriteLock recipe: incorrect znode ordering when the sessionId is part of the znode name

["Javier Cacheiro (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16239685#comment-16239685 ] 

Javier Cacheiro commented on ZOOKEEPER-2931:
--------------------------------------------

Added link to the github PR with the fix.
Pending to add some unit tests to the pull request.

> WriteLock recipe: incorrect znode ordering when the sessionId is part of the znode name
> ---------------------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-2931
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2931
>             Project: ZooKeeper
>          Issue Type: Bug
>            Reporter: Javier Cacheiro
>
> When the nodes are sorted in WriteLock.java using a TreeSet the whole znode path is taken into account and not just the sequence number.
> This causes an issue when the sessionId is included in the znode path because a znode with a lower sessionId will appear as lower than other znode with a higher sessionId even if its sequence number is bigger. 
> In specific situations this ended with two clients holding the lock at the same time.



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