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From Bjørn Hjelle (JIRA) <j...@apache.org>
Subject [jira] [Commented] (LUCENE-7016) Solr/Lucene 5.4.1: FastVectorHighlighter still fails with StringIndexOutOfBoundsException
Date Fri, 18 Mar 2016 12:29:33 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-7016?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15201399#comment-15201399
] 

Bjørn Hjelle commented on LUCENE-7016:
--------------------------------------

Where is the patch? Should there be a link?

Thanks, 
Bjørn

> Solr/Lucene 5.4.1: FastVectorHighlighter still fails with StringIndexOutOfBoundsException
> -----------------------------------------------------------------------------------------
>
>                 Key: LUCENE-7016
>                 URL: https://issues.apache.org/jira/browse/LUCENE-7016
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: modules/highlighter
>    Affects Versions: 5.4.1
>         Environment: OS X 10.10.5
>            Reporter: Bjørn Hjelle
>            Priority: Minor
>              Labels: fastvectorhighlighter
>         Attachments: SOLR-4137.patch
>
>
> I have reported issues with highlighting of EdgeNGram fields in SOLR-7926. 
> As a workaround I now try to use an NGramField and the FastVectorHighlighter, but I often
hit the FastVectorHighlighter StringIndexOutOfBoundsException-issue.
> Note that I use luceneMatchVersion="4.3". Without this, the whole term is highlighted,
not just the search-term, as I reported in SOLR-7926.
> Any help with this would be highly appreciated! (Or tips on how otherwise to achieve
proper highlighting of EdgeNGram and NGram-fields.)
> The issue can easily be reproduced by following these steps: 
> Download and start Solr 5.4.1, create a core:
> -------------------------------------------------------------
> $ wget http://apache.uib.no/lucene/solr/5.4.1/solr-5.4.1.tgz
> $ tar xvf solr-5.4.1.tgz
> $ cd solr-5.4.1
> $ bin/solr start -f 
> $ bin/solr create_core -c test -d server/solr/configsets/basic_configs
> (in a second terminal window)
> Add dynamic field and fieldtype to server/solr/test/conf/schema.xml:
> -----------------------------------------------------------------------------------------
>     <dynamicField name="*_ngram" type="text_ngram" indexed="true"  stored="true" termVectors="true"
termPositions="true" termOffsets="true"/>
> 	<fieldType name="text_ngram" class="solr.TextField">
>  		<analyzer type="index">
> 			<tokenizer class="solr.WhitespaceTokenizerFactory"/>
> 			<filter class="solr.LowerCaseFilterFactory"/>
> 			<filter class="solr.NGramFilterFactory" minGramSize="1" maxGramSize="20" luceneMatchVersion="4.3"/>
> 		</analyzer>
> 		<analyzer type="query">
> 			<tokenizer class="solr.StandardTokenizerFactory"/>
> 			<filter class="solr.LowerCaseFilterFactory"/>
> 		</analyzer>
> 	</fieldType>
>     
> Replace existing /select requestHandler in server/solr/test/conf/solrconfig.xml with:
> -------------------------------------------------------------------------------------
>     <requestHandler name="/select" class="solr.SearchHandler">
>        <lst name="defaults">
>          <str name="echoParams">explicit</str>
>          <int name="rows">10</int>
>          <str name="df">name_ngram</str>
>          <str name="mm">100%</str>
>          <str name="defType">edismax</str>
>          <str name="qf">
>               name_ngram
>          </str>
>          <str name="fl">*</str>
>          <str name="hl">true</str>
>          <str name="hl.fl">name_ngram </str>
>          <str name="hl.useFastVectorHighlighter">true</str>
>        </lst>
>       </requestHandler>
>       
> Stop and restart Solr
> -----------------------      
>       
> Create and index this document: 
> ------------------------------      
> $ more doc.xml 
> <add>
>   <doc>
>     <field name="id">1</field>
>     <field name="name_ngram">Jan-Ole Pedersen</field>
>   </doc>
> </add>
> $ bin/post -c test doc.xml 
> Execute search: 
> $ curl "http://localhost:8983/solr/test/select?q=jan+ol&wt=json&indent=true"
> {
>   "responseHeader":{
>     "status":500,
>     "QTime":3,
>     "params":{
>       "q":"jan ol",
>       "indent":"true",
>       "wt":"json"}},
>   "response":{"numFound":1,"start":0,"docs":[
>       {
>         "id":"1",
>         "name_ngram":"Jan-Ole Pedersen",
>         "_version_":1525256012582354944}]
>   },
>   "error":{
>     "msg":"String index out of range: -6",
>     "trace":"java.lang.StringIndexOutOfBoundsException: String index out of range: -6\n\tat
java.lang.String.substring(String.java:1954)\n\tat org.apache.lucene.search.vectorhighlight.BaseFragmentsBuilder.makeFragment(BaseFragmentsBuilder.java:180)\n\tat
org.apache.lucene.search.vectorhighlight.BaseFragmentsBuilder.createFragments(BaseFragmentsBuilder.java:145)\n\tat
org.apache.lucene.search.vectorhighlight.FastVectorHighlighter.getBestFragments(FastVectorHighlighter.java:187)\n\tat
org.apache.solr.highlight.DefaultSolrHighlighter.doHighlightingByFastVectorHighlighter(DefaultSolrHighlighter.java:479)\n\tat
org.apache.solr.highlight.DefaultSolrHighlighter.doHighlighting(DefaultSolrHighlighter.java:426)\n\tat
org.apache.solr.handler.component.HighlightComponent.process(HighlightComponent.java:143)\n\tat
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:273)\n\tat
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:156)\n\tat
org.apache.solr.core.SolrCore.execute(SolrCore.java:2073)\n\tat org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:658)\n\tat
org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:457)\n\tat org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:223)\n\tat
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:181)\n\tat org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)\n\tat
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)\n\tat org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)\n\tat
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)\n\tat org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)\n\tat
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)\n\tat org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)\n\tat
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)\n\tat org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)\n\tat
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)\n\tat org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)\n\tat
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)\n\tat
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)\n\tat org.eclipse.jetty.server.Server.handle(Server.java:499)\n\tat
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)\n\tat org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)\n\tat
org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)\n\tat org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)\n\tat
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)\n\tat java.lang.Thread.run(Thread.java:745)\n",
>     "code":500}
>     }



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