一方湖泊

问题： "Fielddata is disabled on text fields by default. Set fielddata=true on [catalogName] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead

解决： PUT /gulimall_product/_settings { "index.blocks.read_only_allow_delete": null } 参考： 官网 博客1 博客2

报错： 猜想：因为只导入了导入es的 rest-high-level-client依赖，所以报错了。 Caused by: java.lang.NoClassDefFoundError: org/elasticsearch/action/admin/cluster/repositories/cleanup/CleanupRepositoryRequest at org.elasticsearch.client.RestHighLevelClient.<init>(RestHighLevelCl