ElasticSearch xpackcore6.5.4.jar

ElasticSearchx-pack-core-6.5.4.jar支持当前最新版本1、替换文件elasticsearch-6.5.4/modules/x-pack-core/x-pack-core-6.5.4.jar2、到官网注册一个basiclicense（free）3、修改license.json将"type":"basic"替换为"type":"platinum"#基础班变更为铂金版将"expiry_date_in_millis":2579219199999替换为"expiry_date_in_mill