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https://issues.apache.org/jira/browse/SOLR-7316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14385515#comment-14385515
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Shawn Heisey commented on SOLR-7316:
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We want it to be as easy to use as possible. That said, we are saddled with
years of history to contend with.
Writing features that will appeal to new users without alienating the
experienced user requires a lot of careful thought, and even more careful
coding. I will admit that sometimes we don't give enough thought to the
complete novice user in what we do ... it's hard to take a step back and look
at it from another point of view.
You've given great feedback, and pointed out some serious flaws in our
documentation. You may encounter some grumbling, but most of us appreciate the
pointers. I can tell you that *I* appreciate it.
> 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*
> {code}
> curl
> 'http://localhost:8983/solr/admin/cores?action=CREATE&name=new_core&instanceDir=new_core'
> {code}
> *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}
> *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?* I'm speechless.
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