Susheel Kumar created SOLR-12585:
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Summary: Solr fails even ZK quorum has majority
Key: SOLR-12585
URL: https://issues.apache.org/jira/browse/SOLR-12585
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Components: Server, SolrCloud
Affects Versions: 6.6.2
Reporter: Susheel Kumar
Solr fails to function when one of ZK quorum node gets inaccessible due to DNS
issue. E.g. below we had running Solr Cloud cluster and when one of the node
went inaccessible due to DNS issue, Solr stops functioning even though the
other 2 ZK machines were up and had a majority.
See mailing list for more details
[http://lucene.472066.n3.nabble.com/Solr-fails-even-ZK-quorum-has-majority-td4399166.html]
e.g.
ping ditsearch001.es.com
ping: cannot resolve ditsearch001.es.com: Unknown host
Caused by: org.apache.solr.common.SolrException:
java.net.UnknownHostException: ditsearch001.es.com: Name or service not
known
at
org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:171)
at
org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:117)
at
org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:112)
at
org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:99)
at
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