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Elasticsearch::Transport::Transport::Errors::ServiceUnavailable: [503] {"error":"ReduceSearchPhaseException[Failed to execute phase [merge], [reduce] ]; nested: ClassCastException[org.elasticsearch.search.facet.terms.strings.InternalStringTermsFacet$TermEntry cannot be cast to org.elasticsearch.search.facet.terms.longs.InternalLongTermsFacet$LongEntry]; ","status":503}