Hi This is controlled by servlet container, so any errors should be in its logs. The same sort of question was asked just a few days ago...
Otis Solr & ElasticSearch Support http://sematext.com/ On May 16, 2013 8:00 AM, "Arkadi Colson" <ark...@smartbit.be> wrote: > Is there a limitation on the number concurrent connections to a Solr host? > Because we have some scripts running simultaious to fill Solr and when > starting up to many we are getting this error: > > > exception 'SolrClientException' with message 'Unsuccessful update request. > Response Code 0. (null)' in solr_queue_processor.php:467 > Stack trace: > #0 solr_queue_processor.php(467): SolrClient->addDocument(** > Object(SolrInputDocument)) > #1 {main} > > Thx > >