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From Greg Robinson <>
Subject Re: Newbie question - Error loading an existing config file
Date Thu, 21 Feb 2019 16:16:22 GMT
Thanks for the feedback.

So here is where I'm at.

I first went ahead and deleted the existing core that was returning the
error using the following command: bin/solr delete -c new_solr_core

Now when I access the admin panel, there are no errors.

I then referred to the large "warning" box on the CREATE action

"While it’s possible to create a core for a non-existent collection, this
approach is not supported and not recommended. Always create a collection
using the *Collections API* before creating a core directly for it."

I then tried to create a collection using the following "Collections API"


This was the response:

<lst name="responseHeader">
<int name="status">400</int>
<int name="QTime">2</int>
<lst name="error">
<lst name="metadata">
<str name="error-class">org.apache.solr.common.SolrException</str>
<str name="root-error-class">org.apache.solr.common.SolrException</str>
<str name="msg">Solr instance is not running in SolrCloud mode.</str>
<int name="code">400</int>

I guess my main question is, do I need to be running in "SolrCloud mode" if
my intention is to use Solr Server to index a Drupal 7 website? We're
currently using which is working fine but we're trying to
avoid the monthly costs associated with their "Shared Solr Cloud" plan.


On Wed, Feb 20, 2019 at 8:34 PM Shawn Heisey <> wrote:

> On 2/20/2019 11:07 AM, Greg Robinson wrote:
> > Lets try this:
> >
> > What I'm trying to do seems pretty straightforward:
> >
> > 1. Install Solr Server 7.4 on Linux (Completed)
> > 2. Connect my Drupal 7 site to the Solr Server and use it for indexing
> > content
> >
> > My understanding is that I must first create a core in order to connect
> my
> > drupal site to Solr Server. This is where I'm currently stuck.
> The assertion in your screenshot that the dataDir must exist is
> incorrect.  If current versions of Solr say this also, that is something
> we will need to change.  This is what actually happens:  If all the
> other requirements are met and the dataDir does not exist, it will be
> created automatically when the core starts, if the process has
> sufficient permissions.
> See the large "warning" box on the CREATE action documentation for
> details on what you need:
> The warning box is the one that has a red triangle to the left of it.
> The red triangle contains an exclamation point.
> The essence of what it says there is that the core's instance directory
> must exist, that directory must contain a "conf" directory, and all
> required config files must be in the conf directory.
> If you're running in SolrCloud mode, then you're using the wrong API.
> Thanks,
> Shawn

Greg Robinson
CEO - Mobile*Enhanced*

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