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From Tomás Fernández Löbbe (JIRA) <j...@apache.org>
Subject [jira] [Commented] (SOLR-4028) When using ZK chroot, it would be nice if Solr would create the initial path when it doesn't exist.
Date Wed, 28 Nov 2012 12:38:58 GMT

    [ https://issues.apache.org/jira/browse/SOLR-4028?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13505415#comment-13505415
] 

Tomás Fernández Löbbe commented on SOLR-4028:
---------------------------------------------

I think I see the issue here, the problem would be if someone mistype the initial path, instead
of throwing exceptions and stopping, we would be creating a new path and probably hiding an
error. 
However, we do create paths for overseer and upload configs automatically, I think creating
the initial path is more consistent with the current behavior than stopping startup. Other
options I thought are:
•	Only create the initial path when bootstrap_conf is true (or bootstrap_confdir). This
could still have the same issue described above.
•	Add a new parameter to force creation, something like –DzkHost.create=true. This could
add unnecessary parameters and configuration complexity.

                
> When using ZK chroot, it would be nice if Solr would create the initial path when it
doesn't exist.
> ---------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-4028
>                 URL: https://issues.apache.org/jira/browse/SOLR-4028
>             Project: Solr
>          Issue Type: Improvement
>          Components: SolrCloud
>            Reporter: Tomás Fernández Löbbe
>            Priority: Minor
>         Attachments: SOLR-4028.patch
>
>
> I think this would make it easier to test and develop with SolrCloud, in order to start
with a fresh ZK directory now the approach is to delete ZK data, with this improvement one
could just add a chroot to the zkHost like:
> java -DzkHost=localhost:2181/testXYZ -jar start.jar
> Right now this is possible but you have to manually create the initial path. 

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