错误提示：com.kingbase8.util.KSQLException: 致命错误: 用户 "system" Password 认证失败 (kbjdbc: autodetected server-encoding to be GB2312, if the message is not readable, please check database logs and/or host, port, dbname, user, password, pg_hba.conf)

问题在于用户权限不足，相关配置文件在一般在 /data/sys_hba.conf, 修改IPV4 local connections选项下面第一条的method为trust。