Sir, after I made experiment if I there are more than 1000(roughly) documents in the core, the problem will show up.
then I make a query in command window it shows Exception in thread "main" org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException: Error opening new searcher. exceeded limit of maxWarmingSearchers=2, try again later. at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:495) at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:199) at org.apache.solr.client.solrj.request.AbstractUpdateRequest.process(AbstractUpdateRequest.java:117) at ExampleSolrJClient.handler(ExampleSolrJClient.java:107) at ExampleSolrJClient.main(ExampleSolrJClient.java:53) -- View this message in context: http://lucene.472066.n3.nabble.com/Could-not-connect-or-ping-a-core-after-import-a-big-data-into-it-tp4117416p4117848.html Sent from the Solr - User mailing list archive at Nabble.com.