Hi murugesh, This error happen normally when you are in long GC pauses. Try to rise the heap memory.
The only way to recover from this is restarting the affected node. Regard. -- Yago Riveiro On 2 Apr 2018 15:39 +0100, murugesh karmegam <kmak...@gmail.com>, wrote: > We noticed this issue in our solr clusters right after when Solr cluster is > restarted or Solr cluster is live for some time. Based on my research so > far... I am not seeing zookeeper connection issues from zk server side. It > seems it is solr side ( zk client) side. This issue is pretty constant now > and then. > > Error 1 Solr: > > WARN - 2018-02-06 17:35:04.742; > org.apache.solr.common.cloud.ConnectionManager; Our previous ZooKeeper > session was expired. Attempting to reconnect to recover relationship with > ZooKeeper... > ERROR - 2018-02-06 17:35:04.743; org.apache.solr.common.SolrException; > org.apache.solr.common.SolrException: Cannot talk to ZooKeeper - Updates are > disabled. > at > org.apache.solr.update.processor.DistributedUpdateProcessor.zkCheck(DistributedUpdateProcessor.java:1508) > at > org.apache.solr.update.processor.DistributedUpdateProcessor.processAdd(DistributedUpdateProcessor.java:696) > at > org.apache.solr.handler.loader.JavabinLoader$1.update(JavabinLoader.java:97) > > > Error 2: > > From ingestor log: > /var/log/mwired/core-ingestors/app.log.9:2018-03-30 05:44:52,616 [-38] ERROR > org.apache.solr.client.solrj.impl.CloudSolrClient - Request to collection > failed due to (503) > org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error > from server at : Cannot talk to ZooKeeper - Updates are disabled., retry? 0 > /var/log/mwired/core-ingestors/app.log.9:com.mwired.grid.commons.exception.PersistenceException: > Failed to add 11 docs to solr0 collection , cachedDocs=118; because Error > from server at : Cannot talk to ZooKeeper - Updates are disabled. > > > Wondering is there any fix? Appreciate any input. > > http://lucene.472066.n3.nabble.com/Cannot-talk-to-ZooKeeper-Updates-are-disabled-Solr-6-3-0-td4311582.html > http://lucene.472066.n3.nabble.com/6-6-Cannot-talk-to-ZooKeeper-Updates-are-disabled-td4352917.html > https://issues.apache.org/jira/browse/SOLR-3274 > > Thanks in advance. > Murux > > > > -- > Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html
