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https://issues.apache.org/jira/browse/SOLR-656?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hoss Man resolved SOLR-656.
---------------------------
Resolution: Fixed
Fix Version/s: (was: 4.2)
(was: 5.0)
4.0
bq. My patch is unnecessary on 4x, all that remains for this issue is to decide
whether the 3.6 behavior is considered a bug.
given that doing an "rm index/\*" has never been supported, and the only reason
this issue was opened was to try and provide a better error message, i don't
think we need to worry about fixing this in a future 3.6.x release.
bq. I am still curious whether adding isFSBased() to DirectoryFactory is
something that holds interest. The patch is ready - all that you'd have to do
is remove the part that wasn't necessary for this issue.
I'm not sure that i grasp the value/use of a method like that -- i would
suggesting bring up the usecases you have in mind on the dev@lucene
> better error message when "data/index" is completely empty
> ----------------------------------------------------------
>
> Key: SOLR-656
> URL: https://issues.apache.org/jira/browse/SOLR-656
> Project: Solr
> Issue Type: Wish
> Reporter: Hoss Man
> Assignee: Hoss Man
> Fix For: 4.0
>
> Attachments: SOLR-656.patch, SOLR-656-rmdir.patch,
> SOLR-656-rmdir.patch
>
>
> Solr's normal behavior is to create an "index" dire in the dataDir if one
> does not already exist, but if "index" does exist it is used as is, warts and
> all ... if the index is corrupt in some way, and Solr can't create an
> IndexWriter or IndexReader that error is propagated up to the user.
> I don't think this should change: Solr shouldn't attempt to do anything
> special if there is a low level problem with the index, but something that
> i've seen happen more then a few times is that people unwittingly "rm
> index/*" when they should "run -r index" and as a result Solr+Lucene gives
> them an error instead of just giving them an empty index
> when checking if an existing index dir exists, it would probably be worth
> while to add a little one line sanity test that it contains some files, and
> log a warning.
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