Alan Woodward created SOLR-9512:
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Summary: CloudSolrClient's cluster state cache can break direct
updates to leaders
Key: SOLR-9512
URL: https://issues.apache.org/jira/browse/SOLR-9512
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Alan Woodward
This is the root cause of SOLR-9305 and (at least some of) SOLR-9390. The
process goes something like this:
Documents are added to the cluster via a CloudSolrClient, with
directUpdatesToLeadersOnly set to true. CSC caches its view of the
DocCollection. The leader then goes down, and is reassigned. Next time
documents are added, CSC checks its cache again, and gets the old view of the
DocCollection. It then tries to send the update directly to the old, now down,
leader, and we get ConnectionRefused.
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