No the solr was not restarted as SolrCloud.  We see solr from one computer and 
all cores are available for query, but from another computer, it shows the 
admin page as solrcloud with errors on the page.  All the links on the left nav 
 do not work either.



-----Original Message-----
From: Alexandre Rafalovitch <arafa...@gmail.com> 
Sent: Tuesday, September 18, 2018 2:39 PM
To: solr-user <solr-user@lucene.apache.org>
Subject: Re: weird error for accessing solr

Sounds like your Solr was restarted as a SolrCloud, maybe by an automated 
script or an init service?

If you created a core in a standalone mode and then restart the same 
configuration in a SolrCloud mode, it would know that you have those 
collections/cores, but will not be able to find any configuration files 
(because it will expect them in ZooKeeper, not on disk). So, that would explain 
the error.

I would focus on the restart point, maybe check the logs (in
server/logs) and see if there are hints there.

Regards,
   Alex.
P.s. Unless you are able to see the SolrCloud from one computer and Solr from 
another at the same time/back-and-forth. That would indicate some sort of 
proxy/routing and then I would look at the Overview page system variables to 
confirm the directories/options. But that's kind of a distant second 
possibility.


On 18 September 2018 at 14:23, Gu, Steve (CDC/OD/OADS) (CTR) <c...@cdc.gov> 
wrote:
> I have set up my solr as a standalone service and the its url is 
> http://solr.server:8983/solr.  I opened 8983 on  solr.server to anyone, and 
> solr can be accessed from laptops/desktops.  But when I tried to access the 
> solr from some servers, I got the error of SolrCore Initialization Failures.  
> The left nav on the page is shown but indicates that the solr is set up as 
> SolrCloud, which is not.
>
> I am really confused about this and have no idea how to tackle this problem.  
> Has anyone ever had a similar issue?  Or any idea why this is happening?
>
> Thanks
> Steve
>

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