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https://issues.apache.org/jira/browse/SOLR-9894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15781229#comment-15781229
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Alexandre Rafalovitch commented on SOLR-9894:
---------------------------------------------

The search does **not** happen against *xf_name*, it happens against 
*default_search_field* as the debug shows. So, the question is what is the type 
of the *default_search_field*. *xf_name* (parameter value for *fl*) is the name 
of the field to be return in the document list, not the field to search against.

> Tokenizer work randomly
> -----------------------
>
>                 Key: SOLR-9894
>                 URL: https://issues.apache.org/jira/browse/SOLR-9894
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: query parsers
>    Affects Versions: 6.2.1
>         Environment: solrcloud 6.2.1(3 solr nodes)
> OS:linux
> RAM:8G
>            Reporter: 王海涛
>            Priority: Critical
>              Labels: patch
>         Attachments: step1.png, step2.png, step3.png, step4.png
>
>
> my schema.xml has a fieldType as folow:
> <fieldType name="my_ik" class="solr.TextField">
>               <analyzer type="index">
>                       <tokenizer 
> class="org.wltea.analyzer.lucene.IKTokenizerFactory" useSmart="false"/>
>                               <filter 
> class="org.wltea.pinyin.solr5.PinyinTokenFilterFactory" pinyinAll="true" 
> minTermLength="2"/> 
>                               <filter class="solr.LowerCaseFilterFactory"/>
>                       </analyzer>
>               <analyzer type="query">
>                       <tokenizer 
> class="org.wltea.analyzer.lucene.IKTokenizerFactory" useSmart="true"/>
>                  <filter class="solr.LowerCaseFilterFactory"/>
>               </analyzer>
>       </fieldType>
> Attention:
>   index tokenzier useSmart is false
>   query tokenzier useSmart is true
> But when I send query request with parameter q ,
> the query tokenziner sometimes useSmart equals true
> sometimes useSmart equal false.
> That is so terrible!
> I guess the problem may be caught by tokenizer cache.
> when I query ,the tokenizer should use true as the useSmart's value,
> but it had cache the wrong tokenizer result which created by indexWriter who 
> use false as useSmart's value.



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