ElasticSearch出现blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];

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在使用ElasticSearch，出现blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];错误
可在ElasticSearch索引节点执行：

curl -XPUT -H "Content-Type: application/json" http://10.92.60.18:9200/_all/_settings -d '{"index.blocks.read_only_allow_delete": null}'

返回结果：

{"acknowledged":true}