Apache_Solr_HttpTransportException: '500' Status: Internal Server Error in /var/www/web1/htdocs/www.bodensee-musikversand.de/includes/Solr/Service.php:341 Stack trace: #0 /var/www/web1/htdocs/www.bodensee-musikversand.de/includes/Solr/Service.php(1206): Apache_Solr_Service->_sendRawGet('http://localhos...') #1 /var/www/web1/htdocs/www.bodensee-musikversand.de/includes/classes/bmsolrsearch.php(725): Apache_Solr_Service->search('( (_val_:boost_...', 0, '25', Array) #2 /var/www/web1/htdocs/www.bodensee-musikversand.de/advanced_search_result.php(225): bmSolrSearch->_doSolrSearch() #3 {main}