It seems like the error was caused by wrong list of shard URLs, kept in ZooKeeper. One possible workaround is to specify list of shards manually with
shards=slave-node1,slave-node2,slave-node3,... (see SolrCluster documentation for details) -- View this message in context: http://lucene.472066.n3.nabble.com/Distributed-Solr-different-number-of-results-each-time-tp3550284p3560310.html Sent from the Solr - User mailing list archive at Nabble.com.