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)