Suggestion
In solrconfig.xml:
<searchComponent name="suggest" class="solr.SuggestComponent">
    <lst name="suggester">
      <str name="name">mySuggester</str>
      <str name="lookupImpl">FuzzyLookupFactory</str>   
      <str name="dictionaryImpl">DocumentDictionaryFactory</str> 
      <str name="field">content</str>
      <str name="weightField"></str>
      <str name="suggestAnalyzerFieldType">string</str>
    </lst>
  </searchComponent>
 
 <requestHandler name="/suggest" class="solr.SearchHandler" startup="lazy">
    <lst name="defaults">
      <str name="suggest">true</str>
      <str name="suggest.count">10</str>
      <str name="suggest.dictionary">mySuggester</str>    
    </lst>
    <arr name="components">
      <str>suggest</str>
    </arr>
  </requestHandler>


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


Suggestion: localhost:28080/solr/suggest?&q=foobat

above throwing exception as below 


<response><lst name="responseHeader"><int name="status">500</int><int
name="QTime">12</int></lst><lst name="error"><str name="msg">No suggester
named default was configured</str><str
name="trace">java.lang.IllegalArgumentException: No suggester named default
was configured
        at
org.apache.solr.handler.component.SuggestComponent.getSuggesters(SuggestComponent.java:353)
        at
org.apache.solr.handler.component.SuggestComponent.prepare(SuggestComponent.java:158)
        at
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:197)
        at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
        at
org.apache.solr.core.RequestHandlers$LazyRequestHandlerWrapper.handleRequest(RequestHandlers.java:241)
        at org.apache.solr.core.SolrCore.execute(SolrCore.java:1952)
        at
org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:774)
        at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:418)
        at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:207)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
        at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
        at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:149)
        at
org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169)
        at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:145)
        at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97)
        at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:559)
        at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102)
        at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:336)
        at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
        at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653)
        at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:926)
        at java.lang.Thread.run(Thread.java:745)
</str><int name="code">500</int></lst></response> 




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