Shalin Shekhar Mangar created SOLR-11993:
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Summary: LeaderInitiatedRecoveryThread does not retry on
UnknownHostException
Key: SOLR-11993
URL: https://issues.apache.org/jira/browse/SOLR-11993
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Components: SolrCloud
Affects Versions: 6.6.2, 7.2, 5.5.5
Reporter: Shalin Shekhar Mangar
The LIR thread has a whitelist of exceptions on which it retries. It should
include UnknownHostException to avoid cases where a flaky DNS server (AWS
Route53!) can cause replicas to be stuck in "down" state until restarted.
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