Not Able to Build Spellcheck index - SpellCheckComponent.prepare 500 Error

[sameer]

Hi
I am trying to use spellcheck in solr with below config but it throwing with
error while using spellcheck build or reload

it works fine otherwise for indexed search, can someone please help
implementing spellcheck corectly

schema.xml:

// fieldType declaration
<fieldType name="textSpell" class="solr.TextField"
positionIncrementGap="100">
  <analyzer>
    <tokenizer class="solr.StandardTokenizerFactory"/>
    <filter class="solr.LowerCaseFilterFactory"/>
    <filter class="solr.StopFilterFactory" ignoreCase="true"
words="misspelled_words.txt"/>
        <filter class="solr.PatternReplaceFilterFactory" pattern="([^a-z])"
replacement="" replace="all"/>
    <filter class="solr.LengthFilterFactory" min="2" max="50"/>
  </analyzer>
</fieldType>

//field name
<field name="spell" type="textSpell" indexed="true" stored="true"
multiValued="true"/>

//copyFields
<copyField source="dealName" dest="spell"/>
<copyField source="dealUri" dest="spell"/>
<copyField source="merchantName" dest="spell"/>
<copyField source="categoryName" dest="spell"/>
<copyField source="dealTitle" dest="spell"/>
<copyField source="highlights" dest="spell"/>
<copyField source="seoTags" dest="spell"/>
<copyField source="description" dest="spell"/>
<copyField source="text" dest="spell"/>


solrconfig.xml:

//searchComponent

<searchComponent name="spellcheck" class="solr.SpellCheckComponent">
<str name="queryAnalyzerFieldType">textSpell</str>
    <lst name="spellchecker">
      <str name="classname">solr.IndexBasedSpellChecker</str>
      <str name="name">default</str>
      <str name="spellcheckIndexDir">./spellchecker</str>
      <str
name="field">categoryName,dealName,seoTags,description,dealTitle,merchantName,dealUri,highlights</str>
      <str name="buildOnCommit">true</str>
      <str name="accuracy">0.9</str>
    </lst>
</searchComponent>


//default requestHandler

  <requestHandler name="standard" class="solr.StandardRequestHandler"
default="true">
    
     <lst name="defaults">
        <str name="echoParams">explicit</str>
        <str name="spellcheck">true</str>
        <str name="spellcheck.dictionary">direct</str>
        <str name="spellcheck">on</str>
        <str name="spellcheck.extendedResults">true</str>
        <str name="spellcheck.count">5</str>
        <str name="spellcheck.collate">true</str>
        <str name="spellcheck.collateExtendedResults">true</str>
       
     </lst>
 <arr name="last-components">
    <str>spellcheck</str>
 </arr>
  </requestHandler>


// URL params
select?q=*%3A*&wt=php&indent=true&spellcheck=true&spellcheck.build=true


//output


array(
  'responseHeader'=>array(
    'status'=>500,
    'QTime'=>4,
    'params'=>array(
      'spellcheck'=>'true',
      'indent'=>'true',
      'q'=>'*:*',
      '_'=>'1396684768649',
      'wt'=>'php',
      'spellcheck.build'=>'true')),
  'error'=>array(
    'trace'=>'java.lang.NullPointerException
        at
org.apache.solr.handler.component.SpellCheckComponent.prepare(SpellCheckComponent.java:125)
        at
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:187)
        at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
        at org.apache.solr.core.SolrCore.execute(SolrCore.java:1859)
        at
org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:710)
        at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:413)
        at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:197)
        at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
        at 
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
        at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
        at 
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
        at 
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:767)
        at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
        at
org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
        at
org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
        at 
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
        at org.mortbay.jetty.handler.DebugHandler.handle(DebugHandler.java:77)
        at 
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
        at org.mortbay.jetty.Server.handle(Server.java:326)
        at 
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
        at
org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
        at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
        at
org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
',
    'code'=>500))



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