es 6启动 [warning][security] Generating a random key for xpack.security.encryptionKey. To prevent sess
Generatingarandomkeyforxpack.security.encryptionKey.Topreventsessionsfrombeinginvalidatedonrestart,pleasesetxpack.security.encryptionKeyinkibana.yml配置文件增加如下参数:xpack.security.encrypt