solrcloud

 @Test

     public void querySolrCloud(){

         String zkHost = "127.0.0.1:2181";

         String defaultCollection = "test";

         try {

             CloudSolrServer cloudServer = new CloudSolrServer(zkHost);

             cloudServer.setDefaultCollection(defaultCollection);

             ModifiableSolrParams params = new ModifiableSolrParams();

             params.set("q", "*:*");

             params.set("start", "0");

             QueryResponse response = cloudServer.query(params);

             SolrDocumentList results = response.getResults();

             for(int i=0; i<results.size(); i++){

                 System.out.println(results.get(i));

             }

         } catch (MalformedURLException e) {

             // TODO Auto-generated catch block

             e.printStackTrace();

         } catch (SolrServerException e) {

             // TODO Auto-generated catch block

             e.printStackTrace();

         }

     }

如下，出现 类似 Exception in thread "main" org.apache.solr.common.SolrException: Unknown document router '{name=compositeId}' 异常时，一般是java客户客户版本不一致导致的错误

 Exception in thread "main" org.apache.solr.common.SolrException: Unknown document router '{name=compositeId}'

     at org.apache.solr.common.cloud.DocRouter.getDocRouter(DocRouter.java:46)

     at org.apache.solr.common.cloud.ClusterState.collectionFromObjects(ClusterState.java:242)

     at org.apache.solr.common.cloud.ClusterState.load(ClusterState.java:219)

     at org.apache.solr.common.cloud.ClusterState.load(ClusterState.java:195)

     at org.apache.solr.common.cloud.ZkStateReader.createClusterStateWatchersAndUpdate(ZkStateReader.java:286)

     at org.apache.solr.client.solrj.impl.CloudSolrServer.connect(CloudSolrServer.java:144)

     at org.apache.solr.client.solrj.impl.CloudSolrServer.request(CloudSolrServer.java:168)

     at org.apache.solr.client.solrj.request.QueryRequest.process(QueryRequest.java:90)

     at org.apache.solr.client.solrj.SolrServer.query(SolrServer.java:301)

     at com.teshehui.SolrTest.main(SolrTest.java:69)