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https://issues.apache.org/jira/browse/SOLR-8246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15007501#comment-15007501
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Jason Gerlowski commented on SOLR-8246:
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Sure.
I hadn't initially done that because I was trying to keep the effect of my
change as small as possible. But in hindsight it's probably safe to delete the
copied config regardless. (Recopying is cheap, and it never hurts to clean up
after yourself.) Will change.
> create_core command gives confusing messages if broken config is given,
> fixed, given again
> ------------------------------------------------------------------------------------------
>
> Key: SOLR-8246
> URL: https://issues.apache.org/jira/browse/SOLR-8246
> Project: Solr
> Issue Type: Improvement
> Components: scripts and tools
> Affects Versions: 5.3.1
> Reporter: Alexandre Rafalovitch
> Priority: Minor
> Labels: usability
> Attachments: SOLR-8246.patch
>
>
> If the config used to create a core, the command complains and aborts:
> Example:
> {code}
> $ bin/solr create_core -c minicore -d ../miniconf/
> Creating new core 'minicore' using command:
> http://localhost:8983/solr/admin/cores?action=CREATE&name=minicore&instanceDir=minicore
> ERROR: Error CREATEing SolrCore 'minicore': Unable to create core [minicore]
> Caused by: The element type "dynamicField" must be terminated by the matching
> end-tag "</dynamicField>".
> {code}
> However, after fixing the problem, trying to re-run the command gives the
> same error, causing all sorts of confusion.
> What actually happened is that config has been copied to the destination
> directory and then when the command is run the second time, it does not
> recopy fresh - and fixed - files, but just reuses the previously copied -
> broken - ones.
> The workaround is to manually delete created destination directory and rerun
> the command. But it is far from obvious.
> The fix would be either undoing the copy - a delete. The minimal fix would be
> a log statement that the directory was copied (which would help example logs
> too). And perhaps an extra message when the create command failed that files
> were copied and may need to be manually deleted.
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