did you try escaping double quotes when you are making the http request. HttpGet req = new HttpGet(\"+getSolrClient().getBaseUrl()+ADMIN_CORE_CONSTRUCT+"?action="+action+"&name="+name+\");
HttpResponse response = client.execute(request); -- View this message in context: http://lucene.472066.n3.nabble.com/Creating-a-new-core-programmicatically-in-solr-tp4068132p4068139.html Sent from the Solr - User mailing list archive at Nabble.com.