Shai Erera created SOLR-8561:
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Summary: Add fallback to ZkController.getLeaderProps for a mixed
5.4-pre-5.4 deployments
Key: SOLR-8561
URL: https://issues.apache.org/jira/browse/SOLR-8561
Project: Solr
Issue Type: Bug
Components: SolrCloud
Reporter: Shai Erera
Assignee: Shai Erera
See last comments in SOLR-7844. The latter changed the structure of the leader
path in ZK such that upgrading from pre-5.4 to 5.4 is impossible, unless all
nodes are taken down. This issue adds a fallback logic to look for the leader
properties on the old ZK node, as discussed.
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