Mark Haase created SOLR-7316:
--------------------------------

             Summary: API to create a core is broken
                 Key: SOLR-7316
                 URL: https://issues.apache.org/jira/browse/SOLR-7316
             Project: Solr
          Issue Type: Bug
          Components: Server
    Affects Versions: 5.0
            Reporter: Mark Haase


Steps to reproduce:

1. curl 
'http://localhost:8983/solr/admin/cores?action=CREATE&name=new_core&instanceDir=new_core'

Expected result:

Create a core called "new_core"

Actual result:

{quote}
Error CREATEing SolrCore 'new_core': Unable to create core [new_core] Caused 
by: Can't find resource 'solrconfig.xml' in classpath or 
'/var/solr/data/new_core/conf'
{quote}

Somebody on solr-users tells me:

{quote}
The CoreAdmin API requires that the instanceDir already exist, with a
conf directory inside it that contains solrconfig.xml, schema.xml, and
any other necessary config files.
{quote}

Huh? Where is this magical knowledge mentioned in the [API 
documentation|https://cwiki.apache.org/confluence/display/solr/CoreAdmin+API]?

Another user on the list serve says:

{quote}
In fact, yes. The thing to remember here is that you're using a much
older approach that had its roots in the pre-cloud days.
{quote}

My response:

{quote}
>From an API consumer's point of view, I'm not really interested in being 
>forced to learn the history of the project to use the API. *The whole point of 
>creating APIs is to abstract out details that the caller doesn't need to know, 
>and yet this API requires an understanding of Solr's internal file structure 
>and history of the project?*
{quote}

(Emphasis added.)



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