Have you upgraded the zookeeper too ? Sole 8.8.2 is compatible with
zookeeper 3.5.5
On Thu, Jul 8, 2021, 17:35 Yuval Paz <yuval.p...@mail.huji.ac.il> wrote:
> What error do you see?
>
> Also, what are you trying to do? If you are trying to get the cluster's
> state from an outside service, and not in a Solr plugin, maybe you should
> use CloudSolrClient instead:
>
> ```
> var client = new CloudSolrClient
> .builder(Arrays.asList("zkHost1:port1,zkHost2:port2,..."),
> Optional.empty()).build();
> ```
> And then use either the `ClusterStateProvider` from
> `client.getClusterStateProvider()` or use the
> `CollectionAdminRequest.clusterStatus` request.
>
> On Thu, Jul 8, 2021, 2:01 PM Reej M <reej...@gmail.com> wrote:
>
> > Hi All,
> >
> > We are upgrading from solr 4 to solr 8. Updated the solr server to
> > solr8.8.2, solrj8.8.2.
> > We are trying to resume the code and in one place where we are trying to
> > get a collection from clusterstate. Code used is as below
> >
> > Clusterstate clusterState = null;
> > For(SearchSolrZookeeper zk:livezks){
> > SolrZkClient zkClient = null;
> > ZKStateReader stateReader = null;
> > Try{
> > Zkclient = new SolrZkClient(zk.getUrl(), 3000);
> > stateReader = new ZKStateReader(Zkclient);
> > stateReader.createClusterStateWatchersAndUpdate();
> > clusterState = stateReader.getClusterState();
> > Connected = true;
> > Exception = null;
> > break;
> > }
> > Catch(){
> > }
> > Finally{
> > State reader.close();
> > Zkclient.close();
> > }
> >
> > If(clusterstate!=null){
> > Doccollection dc = clusterstate.getCollection(“INVOICE”);
> > //here dc is null
> > }
> > }
> >
> >
> > Tried using getcollectionornull - returns null
> > Getcollectionornull(collection name, true) — returns null
> >
> > When I debug I can see clusterstate has below values in it
> >
> > Znodeversion:0
> > Live node:[192.123.33.44:3883_Solr, 192.123.33.44:9883
> > _Solr,192.123.33.45:3883_Solr,192.123.33.45:3883_Solr]
> > Collections:{ORDER=LazyCollectionRef(ORDER), INVOICE=
> > LazyCollectionRef(INVOICE), PAYMENT= LazyCollectionRef(PAYMENT),etc..}
> >
> > From the document collection we get the slices and iterate each replica
> to
> > show the cores in a admin page. But this page worked fine with the code
> in
> > solr4, now with solr8 it throws error. Kindly help.
> >
> > Regards
> > Reej
>
