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From Yago Riveiro <yago.rive...@gmail.com>
Subject Re: Solr 6. 3 Can not talk to ZK Updates are disabled
Date Mon, 02 Apr 2018 14:52:48 GMT
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 <kmakeit@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

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