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Propagation Fails With ORA-12528 (Doc ID 727389.1)

Last updated on OCTOBER 29, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.3 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Streams propagation is stuck. No data flows.

LAST_ERROR_MSG from DBA_QUEUE_SCHEDULES:

ORA-12528: TNS:listener: all appropriate instances are blocking new connections
ORA-06512: at "SYS.DBMS_AQADM_SYS", line 1087
ORA-06512: at "SYS.DBMS_AQADM_SYS", line 7627
ORA-06512: at "SYS.DBMS_AQADM", line 631
ORA-06512: at line 1

ORA-12528: TNS:listener: all appropriate instances are blocking new connections
ORA-12514: TNS:listener does not currently know of service requested in connect
descriptor

 

Cause

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In this Document
Symptoms
Cause
Solution
References

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