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Posted to solr-user@lucene.apache.org by forest_soup <ta...@gmail.com> on 2016/09/12 09:05:54 UTC

All solr cores in a solr server are down. Cannot find anything from log.

We have a 3 node solrcloud. Each solr collection has only 1 shard and 1
replica. 
When we restart the 3 solr nodes, we found all the cores in one solr node
are at down state and not changed to other state. The solr node is shown in
/live_nodes in zookeeper.

After restarting all the zk server and solr nodes, the issue is resolved.

We do not see any clue from the solr.log.
2016-09-06 19:23:16.474 WARN  (main) [   ] o.e.j.s.h.RequestLogHandler
!RequestLog
2016-09-06 19:23:17.418 WARN  (main) [   ] o.e.j.s.SecurityHandler
ServletContext@o.e.j.w.WebAppContext@26837057{/solr,file:/opt/ibm/solrsearch/SolrG2Cld101/solr/server/solr-webapp/webapp/,STARTING}{/opt/ibm/solrsearch/SolrG2Cld101/solr/server/solr-webapp/webapp}
has uncovered http methods for path: /
2016-09-06 19:23:18.567 WARN  (main) [   ] o.a.s.c.SolrResourceLoader Can't
find (or read) directory to add to classloader: lib (resolved as:
/mnt/solrdata1/solr/home/lib).




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