Oracle 19c dg执行DBMS_METADATA.GET_DDL 报ORA-16000

郑全

在 read only库(DG库要解决这个问题，在主库中执行补丁应用操作)上 使用dbms_metadata.get_ddl 提取相关对象结果报错： ORA-16000，ORA-06512，导致的BUG 30858671
说明：Bug 30858671 18c DBMS_METADATA.GET_DDL Reports ORA-16000 in Read Only Mode　（Doc ID 30858671.8）

受影响DB版本：

Affects:

Product (Component)	Oracle Server (Rdbms)
Range of versions believed to be affected	Versions >= 18.1 but BELOW 21.1
Versions confirmed as being affected	19.25.0 19.24.0 19.23.0 19.22.0 19.21.0 19.20.0 19.19.0 19.18.0 19.17.0 19.16.0 19.15.0 19.14.0 19.13.0 19.12.0 19.11.0 19.10.0 19.9.0 19.8.0 19.7.0 19.6.0 19.5.0 19.4.0 19.1.0 18.10.0 18.7.0 18.5.0
Platforms affected	Generic (all / most platforms affected)