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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SOLR-2051) analysis.jsp is incorrect for protWords etc
Date Tue, 17 Aug 2010 14:17:16 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12899415#action_12899415
] 

Robert Muir commented on SOLR-2051:
-----------------------------------

bq. Just an idea: Would it make sense, to let copyTo() automatically add missing target attributes

Not sure, this wouldn't help the typical buffering case like SynonymFilter? I think this analysis.jsp
that crosses the tokenstreams is an extremely special case.

> analysis.jsp is incorrect for protWords etc
> -------------------------------------------
>
>                 Key: SOLR-2051
>                 URL: https://issues.apache.org/jira/browse/SOLR-2051
>             Project: Solr
>          Issue Type: Bug
>          Components: web gui
>    Affects Versions: 3.1, 4.0
>            Reporter: Robert Muir
>         Attachments: dynamic-AttributeSource.patch, SOLR-2051.patch, SOLR-2051.patch,
SOLR-2051.patch
>
>
> Analysis.jsp gives the incorrect results if you use "protwords.txt" or "stemdict.txt"
or the like.
> This is because this is now implemented with KeywordAttribute (so you can easily override
any stemmer etc).
> For example, if your schema had "foobars" in protwords.txt, analysis.jsp would show it
being stemmed to "foobar", even though this doesnt actually happen.
> The problem is that this jsp is downconverting the entire tokenstream to Token in between
processing, so it silently discards KeywordAttribute and you get the wrong result.
> Note: this issue isnt about *displaying* other attributes such as KeywordAttribute (which
would be a new feature). Its about not throwing them away so that the analysis actually represents
what happens.

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