[jira] [Created] (SOLR-5724) Two node, one shard solr instance intermittently going offline

["Joseph Duchesne (JIRA)" <ji...@apache.org>]

Joseph Duchesne created SOLR-5724:
-------------------------------------

             Summary: Two node, one shard solr instance intermittently going offline 
                 Key: SOLR-5724
                 URL: https://issues.apache.org/jira/browse/SOLR-5724
             Project: Solr
          Issue Type: Bug
    Affects Versions: 4.6.1
         Environment: Ubuntu 12.04.3 LTS, 64 bit,  java version "1.6.0_45"
Java(TM) SE Runtime Environment (build 1.6.0_45-b06)
Java HotSpot(TM) 64-Bit Server VM (build 20.45-b01, mixed mode)
            Reporter: Joseph Duchesne


One server is stuck in state "recovering" while the other is stuck in state "down". After waiting 45 minutes or so for the cluster to recover, the statuses were the same. 

Log messages on the "recovering" server:
We are not the leader
ClusterState says we are the leader, but locally we don't think so
cancelElection did not find election node to remove
We are not the leader
No registered leader was found, collection:listsC slice:shard1
No registered leader was found, collection:listsC slice:shard1

On the "down" server at the same timeframe:
org.apache.solr.common.SolrException; forwarding update to http://10.0.2.48:8983/solr/listsC/ failed - retrying ... retries: 3
org.apache.solr.update.StreamingSolrServers$1; error
Error while trying to recover. core=listsC:org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException: We are not the leader
Recovery failed - trying again... (0) core=listsC
Stopping recovery for zkNodeName=core_node2core=listsC
org.apache.solr.update.StreamingSolrServers$1; error
org.apache.solr.common.SolrException: Service Unavailable

I am not sure what is causing this, however it has happened a 3 times in the past week. If there are any additional logs I can provide, or if there is anything I can do to try to figure this out myself I will gladly try to help. 



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