[jira] [Created] (SOLR-7316) API to create a core is broken

["Mark Haase (JIRA)" <ji...@apache.org>]

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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