title: How can I integrate Solr5.1.0 with Nutch1.10
body: <p>I replaced the Solr <code>schema.xml</code> with nutch <code>schema.xml</code>.  But when I run Solr again，Solr log prints this error:</p>
  
  <blockquote>
    <p>ERROR - 2015-06-09 09:54:30.279; [   ]
    org.apache.solr.core.CoreContainer; Error creating core [mycore]:
    Could not load conf for core mycore: Unknown fieldType 'int' specified
    on field cityConfidence. Schema file is
    /opt/solr-5.1.0/server/solr/mycore/conf/schema.xml
    org.apache.solr.common.SolrException: Could not load conf for core
    mycore: Unknown fieldType 'int' specified on field cityConfidence.
    Schema file is /opt/solr-5.1.0/server/solr/mycore/conf/schema.xml</p>
  </blockquote>