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https://issues.apache.org/jira/browse/SOLR-15923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17482796#comment-17482796
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Shawn Heisey commented on SOLR-15923:
-------------------------------------

[~epugh] Just got a look at what your change does.

Built the 9.0 snapshot .tgz file.  Extracted it, added SOLR_JETTY_HOST=0.0.0.0 
to include file, started, created a core.  Went to base URL for core.  Although 
it is a little better, it's still basically an error page.  A user that is 
trying out the base URL they're putting into their application config is still 
likely to conclude that the URL is wrong.

I think the base URL should not return a 404.  It should return a special page 
that indicates success contacting the base URL for that core/collection.  Maybe 
something like the following:


{code:java}
This is the base URL for the index named foo.  It is the correct URL to give to 
many applications that access Solr.
{code}
That seems a little too spartan, but I couldn't think of the right wording to 
add more.

A 404 error would be the right thing to send in response to accessing a handler 
that doesn't exist.  [http://localhost:8983/solr/foo/unknown] as an example.

> Base URL for a core returns 404
> -------------------------------
>
>                 Key: SOLR-15923
>                 URL: https://issues.apache.org/jira/browse/SOLR-15923
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Shawn Heisey
>            Assignee: David Eric Pugh
>            Priority: Minor
>             Fix For: 9.1
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> When accessing the base URL for a core, Solr returns a 404 error.  For 
> example, browsing to [http://localhost:8983/solr/dovecot] on my install 
> returns a short html page:
> h2. HTTP ERROR 404 Not Found
> ||URI:|/solr/dovecot|
> ||STATUS:|404|
> ||MESSAGE:|Not Found|
> ||SERVLET:|default|
> I believe that it is Jetty generating this page.
> I've heard from more than one user that when they see this, they think their 
> Solr install is broken.
> I believe that the base URL for a core should display something that lets a 
> user know that the core they tried to access is indeed functional, but that 
> they need more stuff on the URL for it to actually do anything.  I haven't 
> tried this with a collection on SolrCloud, but I assume that also returns a 
> 404.  One thing that some might think of for this that I think we should NOT 
> do is have that URL redirect to the admin UI page for the core.  If we do 
> that, some users might assume that they have to update the base URL in their 
> application to the admin UI URL that comes up, which will not work.



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