}
if (cores != null && cores.length > 0) {
StringBuffer buff=new StringBuffer();
for (int i = 0; i < cores.length; i++) {
ShardsList c = cores[i];
buff.append(c.randomGet() + "/solr/" + projectName
+ "@_mdrillshard_,");
// for (String part : partions) {
// rtn.urlShards += c.randomGet() + "/solr/" + projectName
// + "@" + part + ",";
// }