文档地址在:
https://www.elastic.co/guide/en/elasticsearch/reference/current/secure-settings.html#secure-settings
最下面有方法:
POST _nodes/reload_secure_settings
但是我 POST 返回信息是 :
{"error":"Incorrect HTTP method for uri [/_nodes/reload_secure_settings] and method [POST], allowed: [GET]","status":405}