Aaron Greenspan created SOLR-7894:
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Summary: Solr Forgets Core Setup And Throws Fake Errors Each Time
It Starts
Key: SOLR-7894
URL: https://issues.apache.org/jira/browse/SOLR-7894
Project: Solr
Issue Type: Bug
Affects Versions: 5.2.1
Environment: CentOS 6.3
Linux 2.6.32-504.23.4.el6.x86_64 #1 SMP Tue Jun 9 20:57:37 UTC 2015 x86_64
x86_64 x86_64 GNU/Linux
Reporter: Aaron Greenspan
I have two Solr cores that I need to use. Their folders are already set up with
appropriate permissions in the /solr subdirectory I'm using. Nevertheless, each
time I start and stop Solr, the following ridiculous dance has to take place:
1. I go to the web interface on port 8983.
2. No cores are listed. I press the Add Core button.
3. I type in the name of the first of the two cores I want to re-add that was
just there when the process was running previously in the "name" and
"instanceDir" fields. I leave the other fields with their default values.
4. I press the blue "Add Core" button.
5. I get the following red error message: "Error CREATEing SolrCore '[core
name]': Could not create a new core in /home/solr/server/solr/[core name]/as
another core is already defined there
6. I press the gray "Cancel" button.
7. I click "Java Properties" on the left side, or some other link in the
administrative interface, just to get off the cores page.
8. I go back to the cores page.
9. The core is listed and is working fine.
This is absurd.
For one thing, I shouldn't have to do *anything*. Either by scanning the
directory for the annoying-as-hell XML configuration files or some other
method, it should remember the cores that were just there. But even assuming
that's impossible for some reason (which it's not), I should not be getting a
technically true but practically useless and misleading error message that
suggests that adding the core *didn't* work when in fact it *did*.
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