I´ve noticed checking Cloud admin UI that sometimes one of the nodes appears with no Cloud information (even reloading cluster state .json). However, a while later the whole Cloud status information appears again. It looks like it disconnects and re-connects itself.
Quite strage, guys... 2013/1/30 Luis Cappa Banda <luisca...@gmail.com> > Hello, guys. > > After upgrading from Solr 4.1 to Solr 4.1 the following error has > frecuently appeared in my logs. > > *INFO: A cluster state change: WatchedEvent state:SyncConnected > type:NodeDataChanged path:/clusterstate.json, has occurred - updating... > (live nodes size: 8)* > *2013-01-30 10:14:21,631 2432605 [localhost-startStop-1-EventThread] > ERROR org.apache.zookeeper.ClientCnxn - Error while calling watcher * > *java.lang.NullPointerException* > * at > org.apache.solr.common.cloud.ZkStateReader$2.process(ZkStateReader.java:201) > * > * at > org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:526) > * > * at > org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)* > > > I´ve using SolrJ CloudSolrServer with a 2 shards configuration using only > one Zookeeper instance. I´ll move to a Zookeeper ensemble (3 Zookeepers) > soon. > > Any idea? > > Thanks, > > - Luis Cappa. > >
