[jira] [Commented] (HADOOP-16763) Make Curator 4 run in soft-compatibility mode with ZooKeeper 3.4

["Íñigo Goiri (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-16763?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16996075#comment-16996075 ] 

Íñigo Goiri commented on HADOOP-16763:
--------------------------------------

I don't quite get how this works but apparently is as easy as adding an exclusion in the curator-recipes:
{code}
<dependency>
    <groupId>org.apache.curator</groupId>
    <artifactId>curator-recipes</artifactId>
    <version>${curator-version}</version>
    <exclusions>
        <exclusion>
            <groupId>org.apache.zookeeper</groupId>
            <artifactId>zookeeper</artifactId>
        </exclusion>
    </exclusions>
</dependency>
{code}

> Make Curator 4 run in soft-compatibility mode with ZooKeeper 3.4
> ----------------------------------------------------------------
>
>                 Key: HADOOP-16763
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16763
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Íñigo Goiri
>            Priority: Major
>
> HADOOP-16579 changed Curator to 4.2 and ZooKeeper to 3.5.
> This change relate to the client libraries used by the components.
> However, the ensemble in most deployments is 3.4 (default in Ubuntu for example).
> To allow this mode, there is a soft-compatibility mode described in http://curator.apache.org/zk-compatibility.html
> We should enable this soft-compatibility mode.



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