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問題
完全なインデックス再作成を実行すると、以下のエラーがログに表示されます。
org.elasticsearch.ElasticsearchStatusException: ElasticsearchStatusException[Elasticsearch exception [type=search_phase_execution_exception, reason=all shards failed]]; nested: ElasticsearchException[Elasticsearch exception [type=illegal_argument_exception, reason=Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [entryClassPK] in order to load field data by uninverting the inverted index.Note that this can use significant memory.]]; nested: ElasticsearchException[Elasticsearch exception [type=illegal_argument_exception, reason=Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [entryClassPK] in order to load field data by uninverting the inverted index. Note that this can use significant memory.]];