Content Indexing not generating

[aslam bari]

Dear all,
  I am using following Syntax. I successfully got the metadata index but 
content indexes are not generating. Where i am wrong?
   
  <contentindexer 
classname="org.apache.slide.index.lucene.LuceneContentIndexer">
  <parameter name="indexpath">${slidestore}/index_content</parameter>
  </contentindexer>
  <propertiesindexer 
classname="org.apache.slide.index.lucene.LucenePropertiesIndexer">
  <parameter name="indexpath">${slidestore}/index_meta</parameter>
  <configuration name="indexed-properties"> 
  <property name="displayname" namespace="DAV:"> 
  <text analyzer="org.apache.lucene.analysis.WhitespaceAnalyzer"/>
  <is-defined/>
  </property>
  </configuration>
  </propertiesindexer> 
   
  And Extractor are:- 
   
  <extractor classname="org.apache.slide.extractor.TextContentExtractor" 
uri="/files/spaces"> 
  </extractor> 
  <extractor classname="org.apache.slide.extractor.XmlContentExtractor" 
uri="/files/spaces"> 
  </extractor> 
  <extractor classname="org.apache.slide.extractor.MSWordExtractor" 
uri="/files/spaces"> 
  </extractor> 
  <extractor classname="org.apache.slide.extractor.MSExcelExtractor" 
uri="/files/spaces"> 
  </extractor> 
  <extractor classname="org.apache.slide.extractor.MSPowerPointExtractor" 
uri="/files/spaces"> 
  </extractor> 
  <extractor classname="org.apache.slide.extractor.PDFExtractor" 
uri="/files/spaces"> 
  </extractor> 
   
  [the index_content folder contains only segment file]
   
  Hlp plz...

                                
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