[jira] [Commented] (ZOOKEEPER-961) Watch recovery after disconnection when connection string contains a prefix

["Benjamin Reed (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13101344#comment-13101344 ] 

Benjamin Reed commented on ZOOKEEPER-961:
-----------------------------------------

ZOOKEEPER-911 isn't going to make it into 3.4.0, so we need to get this patch committed without it. are you going to be able to make the change thomas? or do you want me to submit something?

> Watch recovery after disconnection when connection string contains a prefix
> ---------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-961
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-961
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: java client
>    Affects Versions: 3.3.1
>         Environment: Windows 32 bits
>            Reporter: pmpm47
>            Assignee: Thomas Koch
>            Priority: Critical
>             Fix For: 3.3.4, 3.4.0
>
>         Attachments: ZOOKEEPER-961.patch
>
>
> Let's say you're using connection string "127.0.0.1:2182/foo".
> 1) put a childrenchanged watch on relative / (that is, on absolute path /foo)
> 2) stop the zk server
> 3) start the zk server
> 4) at this point, the client recovers the connection, and should have put back a watch on relative path /, but instead the client puts a watch on the *absolute* path /
> - if some other client adds or removes a node under /foo, nothing will happen
> - if some other client adds or removes a node under /, then you will get an error from the zk client library (string operation error)

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