[jira] [Updated] (SOLR-2119) IndexSchema should log warning if is declared with charfilter/tokenizer/tokenfiler out of order

["David Smiley (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-2119?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Smiley updated SOLR-2119:
-------------------------------

    Fix Version/s:     (was: 4.7)
                   4.8

> IndexSchema should log warning if <analyzer> is declared with charfilter/tokenizer/tokenfiler out of order
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-2119
>                 URL: https://issues.apache.org/jira/browse/SOLR-2119
>             Project: Solr
>          Issue Type: Improvement
>          Components: Schema and Analysis
>            Reporter: Hoss Man
>             Fix For: 4.8
>
>
> There seems to be a segment of hte user population that has a hard time understanding the distinction between a charfilter, a tokenizer, and a tokenfilter -- while we can certianly try to improve the documentation about what exactly each does, and when they take affect in the analysis chain, one other thing we should do is try to educate people when they constuct their <analyzer> in a way that doesn't make any sense.
> at the moment, some people are attempting to do things like "move the Foo <tokenFilter/> before the <tokenizer/>" to try and get certain behavior ... at a minimum we should log a warning in this case that doing that doesn't have the desired effect
> (we could easily make such a situation fail to initialize, but i'm not convinced that would be the best course of action, since some people may have schema's where they have declared a charFilter or tokenizer out of order relative to their tokenFilters, but are still getting "correct" results that work for them, and breaking their instance on upgrade doens't seem like it would be productive)



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