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From Pierre VANNIER <thina...@gmail.com>
Subject Lucene "cuts" the search results ?
Date Tue, 15 Feb 2005 08:39:48 GMT
  Hi all,

I'm quite a newbie for Lucene, but I bought "Lucene In Action" and I'm 
trying to customize few examples caught from there.

I Have this sample code of JSP (bad JSP caus' I'm also a jsp newbie - :-)) :

Here's the code
------------------------------------------------------------------------------------------------

.....html head body ....
<%
long start = new Date().getTime();
Iterator myIterator = vIndexDir.iterator();

while(myIterator.hasNext())
{
     IndexSearcher searcher = new IndexSearcher((String)myIterator.next());
     Query query = new TermQuery(new Term("introduction", queryString));
     Hits hits = searcher.search(query);
     QueryScorer  scorer = new QueryScorer(query);
     Highlighter highlighter = new Highlighter(scorer);
     %>
<table width="70%" cellpadding="2" cellspacing="2">
     <%
      out.println("<tr><td><hr><br/>NUMBER OF MATCHING NEWS FOR \""+

(String)myIterator.next() + "\" -->" +hits.length() + "    </td></tr>");
     for (int i = 0; i < hits.length(); i++)
     {
         String introduction = hits.doc(i).get("introduction");
         TokenStream stream = new 
SimpleAnalyzer().tokenStream("introduction", new 
StringReader(introduction));
         String fragment = highlighter.getBestFragment(stream, 
introduction);
         String pubDate = hits.doc(i).get("pubDate").substring(0, 
hits.doc(i).get("pubDate").length()-13);
         String link = hits.doc(i).get("link");
         float score =  hits.score(i);
         String title = hits.doc(i).get("title");
         %>
         <tr>
              <td>
              Scoring : <b><%=score%></b><br/>
              <%=pubDate +
              " <a href=\"#\"  onClick=\"window.open('" +
              link + "', 'news', 'width=760;height=600')\">" +
              title +
              "</a>"
              %>
              <br/>
              <%= fragment%>
              <br/><br/>
              </td>
              </tr>
     <%}%>
         </table>
<%
    }
long end = new Date().getTime();
long interval  = end - start;
%>
<br><br><div align="right"><b>System time for query : <%= interval%>

milliseconds</b></div>

</body>
</html>

-------------------------------------------------------------------------------

The output is all right, but at the en of this result page, the last 
"hit" is cut (I mean for example) :

Scoring : 0.9210043
Fri, 28 Jan 2005

---------------------------------------------

I'm running all this in tomcat 5.0.28 and last nightly fresh build of 
lucene.

So, Could it be a caching problem ? Could this come from JSP or Lucene ?

Thanks, and please I do apologise for my poor english ;-)


Pierre VANNIER


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