 <p>check the entries in the solr.xml file. it should have the entries like </p> <pre><code> &lt;core name="core0" instanceDir="./"/&gt; &lt;core name="core1" instanceDir="./"/&gt; </code></pre> <p>please refer the links below </p> <p><a href="http://docs.ckan.org/en/ckan-2.2/appendices/solr-multicore.html" rel="nofollow">http://docs.ckan.org/en/ckan-2.2/appendices/solr-multicore.html</a><br> <a href="http://docs.ckan.org/en/ckan-2.2/appendices/solr-multicore.html#creating-another-solr-core" rel="nofollow">http://docs.ckan.org/en/ckan-2.2/appendices/solr-multicore.html#creating-another-solr-core</a></p> <p><a href="https://wiki.apache.org/solr/CoreAdmin" rel="nofollow">https://wiki.apache.org/solr/CoreAdmin</a></p>