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https://issues.apache.org/jira/browse/SOLR-336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12670643#action_12670643
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Shalin Shekhar Mangar commented on SOLR-336:
--------------------------------------------

Why should the dataDir be a special thing? Why not support JNDI values for all 
properties implicitly? We currently support two kinds of properties, the ones 
defined in solr.xml and the environment variables. As a logical extension, we 
can add JNDI variables too so that we don't need to duplicate JNDI properties 
again in solr.xml.

I guess the property syntax will need to be changed a bit because ':' is used 
for default values. We can either escape the ':' in JNDI name or we can make 
the DOMUtil.substituteProperty method aware of this change. If we go this way, 
I think the only piece of code which would need to be changed in 
DOMUtil.substituteProperty method.

> Allow setting solr.data.dir with JNDI
> -------------------------------------
>
>                 Key: SOLR-336
>                 URL: https://issues.apache.org/jira/browse/SOLR-336
>             Project: Solr
>          Issue Type: Improvement
>          Components: update
>            Reporter: Stu Hood
>            Priority: Minor
>         Attachments: jndi-data-dir.patch
>
>
> I would like to be able set the solr.data.dir with JNDI, as I can for the 
> solr.home property. Currently the data directory is only looked up in the 
> ${solr.home}/conf/solrconfig.xml file, or as a parameter passed into the 
> SolrCore(String, IndexSchema) constructor.
> This allows more options for setting the data directory, such as from within 
> a Servlet container's Context fragment.

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