Mano Kovacs created SOLR-11435:
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Summary: Replicas failed to be deleted can overwrite replicas of
recreated collections
Key: SOLR-11435
URL: https://issues.apache.org/jira/browse/SOLR-11435
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Affects Versions: 7.0
Reporter: Mano Kovacs
When a replica comes up that was deleted from ZK while it was gone, it can
replace replicas in ZK if the collection an core names are equal.
Reproduction:
# Create {{collection1}} with 1 shard, 2 replicas on {{node1}} and {{node2}}
# Shut down {{node2}}
# Delete {{collection1}}
# Create {{collection1}} on {{node1}} and {{node3}}
# Start {{node2}}
Expected:
{{node2}} will not initialize node as it is not assigned to in ZK
({{legacyCloud=false}})
Actual:
{{node2}} will overwrite the {{baseurl}} in {{state.json}} for one of the
replicas as the {{coreNodeName}} and the collection name will match the core it
has.
Note: SOLR-7248 introduced a {{baseurl}} comparison which was removed in
SOLR-10279.
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