question Receiving ZooKeeperException when trying connect to Solr Instance on CDH5.10 using Solrj in Support Questions

question Receiving ZooKeeperException when trying connect to Solr Instance on CDH5.10 using Solrj in Support Questions https://community.cloudera.com/t5/Support-Questions/Receiving-ZooKeeperException-when-trying-connect-to-Solr/m-p/53287#M19185 I am trying to index some data using Solrj.  I have a very simple Solrj program:---------------public static void main(final String[] args) throws SolrServerException, IOException {         final String zkHostString = "dwh-mst-dev01.stor.nccourts.org:2181/solr,dwh-mst-dev02.stor.nccourts.org:2181/solr,dwh-mst-dev03.stor.nccourts.org:2181/solr";         final CloudSolrServer solr = new CloudSolrServer(zkHostString);         final UpdateRequest request = new UpdateRequest();         request.setAction(UpdateRequest.ACTION.COMMIT, true, true);         request.setParam("collection", "party_name");         final SolrInputDocument doc = new SolrInputDocument();         final List<String> records = SolrJPopulater.loadSampleData();         for (final String record : records) {             final String[] fields = record.split(",");             doc.addField("id", fields[0]);             doc.addField("county", fields[1]);             doc.addField("year", Integer.parseInt(fields[2]));             doc.addField("court_type", fields[3]);             doc.addField("seq_num", Integer.parseInt(fields[4]));             doc.addField("party_role", fields[5]);             doc.addField("party_num", Integer.parseInt(fields[6]));             doc.addField("party_status", fields[7]);             doc.addField("biz_name", fields[8]);             doc.addField("prefix", fields[9]);             doc.addField("last_name", fields[10]);             doc.addField("first_name", fields[11]);             doc.addField("middle_name", fields[12]);             doc.addField("suffix", fields[13]);             doc.addField("in_regards_to", fields[14]);             doc.addField("case_status", fields[15]);             doc.addField("row_of_origin", fields[16]);             final UpdateResponse response = solr.add(doc);             System.out.println("status code=" + response.getStatus());         }         solr.commit();     }The error is happening at this line:          if (zk != null) zk.close();   -->>          throw new ZooKeeperException(SolrException.ErrorCode.SERVER_ERROR,                 "", e); Below is the full trace.Thanks--------------2017-04-06 13:33:19,057 INFO  main.logEnv - Client environment:user.dir=C:\cygwin\home\iapima\git\aoc-data-lake-hadoop 2017-04-06 13:33:19,059 INFO  main.<init> - Initiating client connection, connectString=dwh-mst-dev01.stor.nccourts.org:2181/solr,dwh-mst-dev02.stor.nccourts.org:2181/solr,dwh-mst-dev03.stor.nccourts.org:2181/solr sessionTimeout=10000 watcher=org.apache.solr.common.cloud.ConnectionManager@18ef96 2017-04-06 13:33:19,067 DEBUG main.<clinit> - zookeeper.disableAutoWatchReset is false 2017-04-06 13:33:19,178 INFO  main.waitForConnected - Waiting for client to connect to ZooKeeper 2017-04-06 13:33:19,183 INFO  main-SendThread(dwh-mst-dev01.stor.nccourts.org:2181).logStartConnect - Opening socket connection to server dwh-mst-dev01.stor.nccourts.org/10.91.62.104:2181. Will not attempt to authenticate using SASL (unknown error) 2017-04-06 13:33:19,185 INFO  main-SendThread(dwh-mst-dev01.stor.nccourts.org:2181).primeConnection - Socket connection established to dwh-mst-dev01.stor.nccourts.org/10.91.62.104:2181, initiating session 2017-04-06 13:33:19,187 DEBUG main-SendThread(dwh-mst-dev01.stor.nccourts.org:2181).primeConnection - Session establishment request sent on dwh-mst-dev01.stor.nccourts.org/10.91.62.104:2181 2017-04-06 13:33:19,203 INFO  main-SendThread(dwh-mst-dev01.stor.nccourts.org:2181).onConnected - Session establishment complete on server dwh-mst-dev01.stor.nccourts.org/10.91.62.104:2181, sessionid = 0x15ad7740271bb85, negotiated timeout = 10000 2017-04-06 13:33:19,205 INFO  main-EventThread.process - Watcher org.apache.solr.common.cloud.ConnectionManager@18ef96 name:ZooKeeperConnection Watcher:dwh-mst-dev01.stor.nccourts.org:2181/solr,dwh-mst-dev02.stor.nccourts.org:2181/solr,dwh-mst-dev03.stor.nccourts.org:2181/solr got event WatchedEvent state:SyncConnected type:None path:null path:null type:None 2017-04-06 13:33:19,206 INFO  main.waitForConnected - Client is connected to ZooKeeper 2017-04-06 13:33:19,206 INFO  main.createZkACLProvider - Using default ZkACLProvider 2017-04-06 13:33:19,220 DEBUG main-SendThread(dwh-mst-dev01.stor.nccourts.org:2181).readResponse - Reading reply sessionid:0x15ad7740271bb85, packet:: clientPath:null serverPath:null finished:false header:: 1,3  replyHeader:: 1,55835606662,-101  request:: '/solr%2Cdwh-mst-dev02.stor.nccourts.org:2181/solr%2Cdwh-mst-dev03.stor.nccourts.org:2181/solr/clusterstate.json,F  response::   2017-04-06 13:33:19,223 INFO  main.makePath - makePath: /clusterstate.json 2017-04-06 13:33:19,226 DEBUG main-SendThread(dwh-mst-dev01.stor.nccourts.org:2181).readResponse - Reading reply sessionid:0x15ad7740271bb85, packet:: clientPath:null serverPath:null finished:false header:: 2,3  replyHeader:: 2,55835606662,-101  request:: '/solr%2Cdwh-mst-dev02.stor.nccourts.org:2181/solr%2Cdwh-mst-dev03.stor.nccourts.org:2181/solr/clusterstate.json,F  response::   2017-04-06 13:33:19,349 DEBUG main-SendThread(dwh-mst-dev01.stor.nccourts.org:2181).readResponse - Reading reply sessionid:0x15ad7740271bb85, packet:: clientPath:null serverPath:null finished:false header:: 3,1  replyHeader:: 3,55835606663,-101  request:: '/solr%2Cdwh-mst-dev02.stor.nccourts.org:2181/solr%2Cdwh-mst-dev03.stor.nccourts.org:2181/solr/clusterstate.json,,v{s{31,s{'world,'anyone}}},0  response::   2017-04-06 13:33:19,353 DEBUG main.close - Closing session: 0x15ad7740271bb85 2017-04-06 13:33:19,354 DEBUG main.close - Closing client for session: 0x15ad7740271bb85 2017-04-06 13:33:19,362 DEBUG main-SendThread(dwh-mst-dev01.stor.nccourts.org:2181).readResponse - Reading reply sessionid:0x15ad7740271bb85, packet:: clientPath:null serverPath:null finished:false header:: 4,-11  replyHeader:: 4,55835606664,0  request:: null response:: null 2017-04-06 13:33:19,363 DEBUG main.disconnect - Disconnecting client for session: 0x15ad7740271bb85 2017-04-06 13:33:19,363 DEBUG main-SendThread(dwh-mst-dev01.stor.nccourts.org:2181).run - An exception was thrown while closing send thread for session 0x15ad7740271bb85 : Unable to read additional data from server sessionid 0x15ad7740271bb85, likely server has closed socket 2017-04-06 13:33:19,363 INFO  main-EventThread.run - EventThread shut down 2017-04-06 13:33:19,363 INFO  main.close - Session: 0x15ad7740271bb85 closed Exception in thread "main" org.apache.solr.common.cloud.ZooKeeperException:     at org.apache.solr.client.solrj.impl.CloudSolrServer.connect(CloudSolrServer.java:270)     at org.apache.solr.client.solrj.impl.CloudSolrServer.request(CloudSolrServer.java:548)     at org.apache.solr.client.solrj.request.AbstractUpdateRequest.process(AbstractUpdateRequest.java:124)     at org.apache.solr.client.solrj.SolrServer.add(SolrServer.java:116)     at org.apache.solr.client.solrj.SolrServer.add(SolrServer.java:102)     at org.nccourts.hadoop.solr.SolrJPopulater.main(SolrJPopulater.java:52) Caused by: org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /clusterstate.json     at org.apache.zookeeper.KeeperException.create(KeeperException.java:111)     at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)     at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:783)     at org.apache.solr.common.cloud.SolrZkClient$10.execute(SolrZkClient.java:507)     at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)     at org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:504)     at org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:461)     at org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:448)     at org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:435)     at org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:94)     at org.apache.solr.common.cloud.ZkCmdExecutor.ensureExists(ZkCmdExecutor.java:84)     at org.apache.solr.common.cloud.ZkStateReader.createClusterStateWatchersAndUpdate(ZkStateReader.java:295)     at org.apache.solr.client.solrj.impl.CloudSolrServer.connect(CloudSolrServer.java:261)     ... 5 more Thu, 06 Apr 2017 18:18:57 GMT imad87 2017-04-06T18:18:57Z