Highlighting broken? String index out of range: 35

[Steffen B.]

Hi everyone,
it seems that I've run into another problem with my Solr setup. :/ The
highlighter just won't highlight anything, no matter which fragmenter or
config params I use.
Here's an example, taken straight out of the example solrconfig.xml:
<requestHandler name="dismax" class="solr.SearchHandler" >
    <lst name="defaults">
     <str name="defType">dismax</str>
     <str name="echoParams">explicit</str>
     <float name="tie">0.01</float>
     <str name="qf">
        text^0.5 features^1.0 name^1.2 sku^1.5 id^10.0 manu^1.1 cat^1.4
     </str>
     <str name="pf">
        text^0.2 features^1.1 name^1.5 manu^1.4 manu_exact^1.9
     </str>
     <str name="bf">
        ord(popularity)^0.5 recip(rord(price),1,1000,1000)^0.3
     </str>
     <str name="fl">
        id,name,price,score
     </str>
     <str name="mm">
        2&lt;-1 5&lt;-2 6&lt;90%
     </str>
     <int name="ps">100</int>
     <str name="q.alt">*:*</str>
     <!-- example highlighter config, enable per-query with hl=true -->
     <str name="hl.fl">text features name</str>
     <!-- for this field, we want no fragmenting, just highlighting -->
     <str name="f.name.hl.fragsize">0</str>
     <!-- instructs Solr to return the field itself if no query terms are
          found -->
     <str name="f.name.hl.alternateField">name</str>
     <str name="f.text.hl.fragmenter">regex</str> <!-- defined below -->
    </lst>
  </requestHandler>

Whenever I try to activate the highlighter, it produces an error:
http://localhost:8983/solr/select/?q=ipod&version=2.2&start=0&rows=10&indent=on&qt=dismax&hl=true

HTTP ERROR: 500

String index out of range: 35

java.lang.StringIndexOutOfBoundsException: String index out of range: 35
        at java.lang.String.substring(Unknown Source)
        at
org.apache.lucene.search.highlight.Highlighter.getBestTextFragments(Highlighter.java:239)
        at
org.apache.solr.highlight.DefaultSolrHighlighter.doHighlighting(DefaultSolrHighlighter.java:310)
        at
org.apache.solr.handler.component.HighlightComponent.process(HighlightComponent.java:83)
        at
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:171)
        at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
        at org.apache.solr.core.SolrCore.execute(SolrCore.java:1313)
        at
org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:303)
        at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:232)
        at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1089)
        at 
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:365)
        at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
        at 
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
        at 
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:712)
        at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
        at
org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:211)
        at
org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
        at 
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
        at org.mortbay.jetty.Server.handle(Server.java:285)
        at 
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:502)
        at
org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:821)
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:513)
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:208)
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:378)
        at
org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:226)
        at
org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:442)

That's what happens with the example setup - on my project it simply won't
highlight anything at all, no matter what I try. :| Can anyone shed some
light on this?
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