jdbc沒法鏈接數據解析

一、網絡緣由

二、帳戶權限問題

帳戶是否賦予如下的權限:

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;