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https://issues.apache.org/jira/browse/SOLR-4873?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Christoph Straßer updated SOLR-4873:
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Attachment: PostContent2Solr.java
Java-code using SolrJ for indexing sample-files.
> star-wildcard (*) does not work together with stemming
> ------------------------------------------------------
>
> Key: SOLR-4873
> URL: https://issues.apache.org/jira/browse/SOLR-4873
> Project: Solr
> Issue Type: Bug
> Components: search
> Affects Versions: 4.2
> Environment: Windows 7, Java 7
> Reporter: Christoph Straßer
> Attachments: PostContent2Solr.java, tochter1.htm, tochter2.htm,
> tochter3.htm, tochter4.htm
>
>
> Without using a stemming-filter (e.g. solr.SnowballPorterFilterFactory)
> http://localhost:8983/solr/collection1/select?q=Tochter*
> matches "Tochter", "Tochterunternehmen" or "Töchter".
> <fieldType name="text_general" class="solr.TextField"
> positionIncrementGap="100">
> <analyzer type="index">
> <charFilter class="solr.MappingCharFilterFactory"
> mapping="mapping-ISOLatin1Accent.txt"/>
> <tokenizer class="solr.WhitespaceTokenizerFactory"/>
> <filter class="solr.StopFilterFactory" ignoreCase="true"
> words="stopwords.txt" enablePositionIncrements="true"/>
> <filter class="solr.WordDelimiterFilterFactory"
> generateWordParts="1" generateNumberParts="1" catenateWords="1"
> catenateNumbers="1" catenateAll="0" splitOnCaseChange="0"/>
> <filter class="solr.LowerCaseFilterFactory"/>
> </analyzer>
> With using a stemming-filter the same query
> http://localhost:8983/solr/collection1/select?q=Tochter*
> only matches "Tochterunternehmen" but not "Tochter" or "Töchter". (Stemming
> is applied for type="index" and type="query")
> <fieldType name="text_general" class="solr.TextField"
> positionIncrementGap="100">
> <analyzer type="index">
> <charFilter class="solr.MappingCharFilterFactory"
> mapping="mapping-ISOLatin1Accent.txt"/>
> <tokenizer class="solr.WhitespaceTokenizerFactory"/>
> <filter class="solr.StopFilterFactory" ignoreCase="true"
> words="stopwords.txt" enablePositionIncrements="true"/>
> <filter class="solr.WordDelimiterFilterFactory"
> generateWordParts="1" generateNumberParts="1" catenateWords="1"
> catenateNumbers="1" catenateAll="0" splitOnCaseChange="0"/>
> <filter class="solr.LowerCaseFilterFactory"/>
> <filter class="solr.SnowballPorterFilterFactory"
> language="German2" protected="protwords.txt" />
> </analyzer>
>
> Sample-Files attached.
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