}
private SolrServer initializeWithExistingHttpServer() throws IOException, SolrServerException {
// try basic Solr HTTP client
HttpSolrServer httpSolrServer = new HttpSolrServer(solrHttpUrl);
SolrPingResponse ping = httpSolrServer.ping();
if (ping != null && 0 == ping.getStatus()) {
return httpSolrServer;
} else {
throw new IOException("the found HTTP Solr server is not alive");
}