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From "Erick Erickson (JIRA)" <>
Subject [jira] [Commented] (SOLR-6840) Remove legacy solr.xml mode
Date Thu, 25 Dec 2014 19:54:13 GMT


Erick Erickson commented on SOLR-6840:

[~romseygeek] I've actually got a pretty open week ahead, I can move this forward for a while
if the patch is your most current....

Or not, up to you.

[~arafalov] Yeah, one of the tasks I have on my list is to grep for <cores in all the files
in the project to be sure they're all gone. Although the parsing code should have errors if
any are still in there.... We'll see.

> Remove legacy solr.xml mode
> ---------------------------
>                 Key: SOLR-6840
>                 URL:
>             Project: Solr
>          Issue Type: Task
>            Reporter: Steve Rowe
>            Assignee: Erick Erickson
>            Priority: Blocker
>             Fix For: 5.0
>         Attachments: SOLR-6840.patch, SOLR-6840.patch
> On the [Solr Cores and solr.xml page|],
the Solr Reference Guide says:
> {quote}
> Starting in Solr 4.3, Solr will maintain two distinct formats for {{solr.xml}}, the _legacy_
and _discovery_ modes. The former is the format we have become accustomed to in which all
of the cores one wishes to define in a Solr instance are defined in {{solr.xml}} in {{<cores><core/>...<core/></cores>}}
tags. This format will continue to be supported through the entire 4.x code line.
> As of Solr 5.0 this form of solr.xml will no longer be supported.  Instead Solr will
support _core discovery_. [...]
> The new "core discovery mode" structure for solr.xml will become mandatory as of Solr
5.0, see: Format of solr.xml.
> {quote}
> AFAICT, nothing has been done to remove legacy {{solr.xml}} mode from 5.0 or trunk.

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