Oracle内部bug导致的19c DG备库宕机

报错信息收集

数据库版本：

SQL> select banner,banner_full,banner_legacy from v$version;

BANNER
----------------------------------------------------------------------------------------------------
BANNER_FULL
----------------------------------------------------------------------------------------------------
BANNER_LEGACY
----------------------------------------------------------------------------------------------------
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.22.0.0.0
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production


SQL> select patch_id,action,description,status from dba_registry_sqlpatch;

  PATCH_ID ACTION     DESCRIPTION						   STATUS
---------- ---------- ------------------------------------------------------------ ----------
  29517242 APPLY      Database Release Update : 19.3.0.0.