jdbc没法链接数据解析

一、网络缘由

二、帐户权限问题

帐户是否赋予如下的权限:

grant connect, resource to ADM_BI;

grant read, write on directory BACKUP to ADM_BI;

grant select on DBA_2PC_PENDING to ADM_BI;

grant select on DBA_PENDING_TRANSACTIONS to ADM_BI;

grant execute on DBMS_XA to ADM_BI;

grant select on PENDING_TRANS$ to ADM_BI;