elasticsearch cluster_error ai_generated true

ClusterUUIDMismatchException: cluster UUID mismatch

ID: elasticsearch/cluster-uuid-mismatch

Also available as: JSON · Markdown
75%Fix Rate
80%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
8 active — — —

Root Cause

Node trying to join cluster with different UUID.

generic

Workarounds

  1. 90% success Verify node cluster.name matches target cluster
  2. 88% success Check discovery settings point to correct cluster

Dead Ends

Common approaches that don't work:

  1. Delete node data directory to force rejoin 85% fail

    Loses local shard data

  2. Force cluster UUID override 88% fail

    Data corruption risk