HI Shawn, Thanks for response. please find comments in the context.
Thanks, Anil On 11 June 2018 at 19:06, Shawn Heisey <apa...@elyograg.org> wrote: > On 6/11/2018 6:41 AM, Anil wrote: > >> I was trying solrcloud cluster setup using solr 7.3.1 and it is up. Admin >> console looks good and queries in console are working fine. But solrj >> connection failing with following exception >> >> org.apache.solr.common.SolrException: Cannot connect to cluster at >> 127.0.0.1:2181/solr : cluster not found/not ready >> at >> org.apache.solr.common.cloud.ZkStateReader.createClusterStat >> eWatchersAndUpdate(ZkStateReader.java:376) >> ~[solr-solrj-6.6.3.jar:6.6.3 d1e9bbd333ea55cfa0c75d324424606e857a775b - >> sarowe - 2018-03-02 15:09:35] >> > > If you're running Solr 7.3.1, then you should be using SolrJ 7.3.x, not > 6.6.3. SolrCloud is evolving so rapidly that differences in version > between these two components, especially when SolrJ is older, are not > likely to work. This doesn't appear to be the cause of the specific error > you are seeing, but assuming you can get past this error, it might lead to > other problems. > [Anil] : I tried with Solr 6.6 and solrj 6.6.3 as well. i see same exception. > > solr is not updating the cluster status in clusterstate.json and it is >> empty and created state.json under each collection. >> >> https://issues.apache.org/jira/browse/SOLR-5473 >> >> Can you please point out the issue here ? Thanks. >> > > Recent versions of SolrCloud may not put any data in clusterstate.json, > but this file is still used for cluster coordination, through ZK watches on > the clusterstate.json znode. I do not know the details of how this works. > > Looking into the code, it appears that this error is saying that > /clusterstate.json does not exist in zookeeper. This znode must exist. > Since Solr creates that znode when it starts, I think there are two > possible reasons for this error. 1) The Solr client is being started with > a different zkHost value than the servers, so it is not finding the > information written by the servers. 2) You are intentionally deleting the > /clusterstate.json znode from zookeeper. > > [Anil] - i can see clusterstate.json in zookeeper. looks like the reason for failure could be #1. but not sure why client started with different zkHost. i used 127.0.01:2181/solr itself. zk nodes started with 127.0.0.1:2181, 2182, 2183 is there anyway i can figure this out and correct it ? Thanks. Thanks, > Shawn > >
